checkpoint

Introduce enums for items, machines, and recipes, and integrate recipe selection logic. Add .gitignore and improve Flask app for query-based input handling.
2025-11-07 09:03:25 +00:00 · 2025-11-06 20:36:26 +00:00
8 changed files with 986 additions and 226 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,164 @@
+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
--- a/.idea/dictionaries/project.xml
+++ b/.idea/dictionaries/project.xml
@@ -1,7 +1,11 @@
 <component name="ProjectDictionaryState">
  <dictionary name="project">
    <words>
+      <w>aurovite</w>
      <w>callanite</w>
+      <w>caterium</w>
+      <w>larrussite</w>
+      <w>quickwire</w>
      <w>siterite</w>
    </words>
  </dictionary>
--- a/.idea/pysatcalc.iml
+++ b/.idea/pysatcalc.iml
@@ -7,4 +7,12 @@
    <orderEntry type="jdk" jdkName="uv (pysatcalc)" jdkType="Python SDK" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
+  <component name="TemplatesService">
+    <option name="TEMPLATE_CONFIGURATION" value="Jinja2" />
+    <option name="TEMPLATE_FOLDERS">
+      <list>
+        <option value="$MODULE_DIR$/templates" />
+      </list>
+    </option>
+  </component>
 </module>
--- a/main.py
+++ b/main.py
@@ -1,203 +1,84 @@
-from __future__ import annotations
-
-from dataclasses import dataclass
+from collections import defaultdict, deque
 from enum import Enum
 from math import ceil
-from typing import Dict, List, Tuple, Optional
-
+from typing import Dict, List, Tuple, Optional, Any
+import networkx as nx
 from flask import Flask, render_template, request
 from pydantic import BaseModel, Field
-
+from plus import Items, Machines, Recipes, Recipe
+from rich import print
 app = Flask(__name__)

-class Item(BaseModel):
-    name: str
+# Helpers to map item names to safe query parameter keys
+def _slugify(name: str) -> str:
+    s = ''.join(ch.lower() if ch.isalnum() else '_' for ch in name)
+    # collapse consecutive underscores and trim
+    out = []
+    prev_us = False
+    for ch in s:
+        if ch == '_':
+            if not prev_us:
+                out.append('_')
+            prev_us = True
+        else:
+            out.append(ch)
+            prev_us = False
+    return ''.join(out).strip('_')

-class Machine(BaseModel):
-    name: str
-
-class Machines(Enum):
-    Miner = Machine(name="Miner")
-    Smelter =  Machine(name="Smelter")
-    Constructor = Machine(name="Constructor")
-    Assembler = Machine(name="Assembler")
-    Sorter = Machine(name="Sorter")
-    Crusher = Machine(name="Crusher")
-    Foundry = Machine(name="Foundry")
-
-class Items(Enum):
-    IronIngot = Item(name="Iron Ingot")
-    CopperIngot = Item(name="Copper Ingot")
-    Limestone = Item(name="Limestone")
-    IronOre = Item(name="Iron Ore")
-    CopperOre = Item(name="Copper Ore")
-    IronPlate = Item(name="Iron Plate")
-    IronRod = Item(name="Iron Rod")
-    Wire = Item(name="Wire")
-    Cable = Item(name="Cable")
-    Concrete = Item(name="Concrete")
-    ReinforcedIronPlate = Item(name="Reinforced Iron Plate")
-    ModularFrame = Item(name="Modular Frame")
-    BronzeBeam = Item(name="Bronze Beam")
-    TinPlate = Item(name="Tin Plate")
-    TinIngot = Item(name="Tin Ingot")
-    CrushedTin = Item(name="Crushed Tin")
-    CrushedIron = Item(name="Crushed Iron")
-    CrushedGangue = Item(name="Crushed Gangue")
-    CrushedSiterite = Item(name="Crushed Siterite")
-    SiteriteOre = Item(name="Siterite Ore")
-    Screws = Item(name="Screws")
-    BronzeIngot = Item(name="Bronze Ingot")
-    CrushedCopper = Item(name="Crushed Copper")
-    CrushedMagnesium = Item(name="Crushed Magnesium")
-    CrushedCallanite = Item(name="Crushed Callanite")
-    CallaniteOre = Item(name="Callanite Ore")
-
-class RawResources(Enum):
-    IronOre = Items.IronOre
-    CopperOre = Items.CopperOre
-    Limestone = Items.Limestone
+class Production(BaseModel):
+    recipe: Recipe
+    quantity: float


-# --- Domain model (minimal, extensible) ---
-class Recipe(BaseModel):
-    name: str                 # Human-friendly name
-    building: Machines         # e.g., "Smelter", "Constructor"
-    outputs: Dict[Items, float]          # Produced item name
-    inputs: Dict[Items, float] = Field(default_factory=dict)
+def get_recipe(item: Items, recipe_map: Dict[Items, list[Recipes]]) -> Optional[Recipe]:
+    return recipe_map.get(item, (None,))[0]
+
+def compute_chain2(targets: Dict[Items, float]) -> Any:
+    if not targets:
+        return {}
+    recipe_map: Dict[Items, list[Recipes]] = defaultdict(list)
+    for r in Recipes:
+        for o in r.value.outputs:
+            recipe_map[o].append(r.value)
+    # print(recipe_map)
+    demand = defaultdict(float)
+    for target in targets:
+        demand[target] = targets[target]
+    production = defaultdict(float)
+    # add demands to production
+    # find a recipe for that demand
+    # add inputs to demand
+    queue = deque(targets)
+    g = nx.DiGraph()
+    production_queue = []
+    raw_resources = defaultdict(float)
+    production_chain = defaultdict(float)
+    while queue:
+        item = queue.popleft()
+        recipe = get_recipe(item, recipe_map)
+        if recipe is None:
+            raw_resources[item] += demand[item] - raw_resources[item]
+            continue
+        levels = []
+        for out, quantity in recipe.outputs.items():
+            if out in demand:
+                target_quantity = demand[out] - production[out]
+                if target_quantity > 0:
+                    levels.append(target_quantity / quantity)
+                else:
+                    levels.append(0)
+        production_level = max(levels) if max(levels) > 0 else 0
+        production_chain[recipe.name] = production_level
+        for out, quantity in recipe.outputs.items():
+            production[out] += production_level * quantity
+        for inp, quantity in recipe.inputs.items():
+            queue.append(inp)
+            demand[inp] += production_level * quantity
+    print(demand, production, raw_resources, production_chain)
+    return production


-# A very small starter dataset (default, non-alternate recipes)
-# Rates are per building per minute, matching Satisfactory default recipes.
-class Recipes(Enum):
-    ModularFrame = Recipe(
-        name="Modular Frame",
-        building=Machines.Assembler,
-        outputs={Items.ModularFrame: 6.0},
-        inputs={
-            Items.ReinforcedIronPlate: 7.5,
-            Items.BronzeBeam: 7.5,
-        },
-    )
-    ReinforcedIronPlate = Recipe(
-        name="Reinforced Iron Plate",
-        building=Machines.Assembler,
-        outputs={Items.ReinforcedIronPlate: 5.0},
-        inputs={
-            Items.TinPlate: 20.0,
-            Items.Screws: 37.5,
-        },
-    )
-    TinPlate = Recipe(
-        name="Tin Plate",
-        building=Machines.Assembler,
-        outputs={Items.TinPlate: 40.0},
-        inputs={
-            Items.IronPlate: 20.0,
-            Items.TinIngot: 30.0,
-        },
-    )
-    TinIngot = Recipe(
-        name="Tin Ingot",
-        building=Machines.Smelter,
-        outputs={Items.TinIngot: 15.0},
-        inputs={Items.CrushedTin: 15.0},
-    )
-    CrushedIron = Recipe(
-        name="Crushed Iron",
-        building=Machines.Sorter,
-        outputs={
-            Items.CrushedIron: 90.0,
-            Items.CrushedTin: 60.0,
-            Items.CrushedGangue: 40.0,
-        },
-        inputs={Items.CrushedSiterite: 120.0},
-    )
-    CrushedSiterite = Recipe(
-        name="Crushed Siterite",
-        building=Machines.Crusher,
-        outputs={
-            Items.CrushedSiterite: 60.0,
-            Items.CrushedGangue: 25.0,
-        },
-        inputs={Items.SiteriteOre: 60.0},
-    )
-    IronPlate = Recipe(
-        name="Iron Plate",
-        building=Machines.Constructor,
-        outputs={Items.IronPlate: 20.0},
-        inputs={Items.IronIngot: 30.0},
-    )
-    IronIngot = Recipe(
-        name="Iron Ingot",
-        building=Machines.Smelter,
-        outputs={Items.IronIngot: 30.0},
-        inputs={Items.CrushedIron: 30.0},
-    )
-    Screws = Recipe(
-        name="Screws",
-        building=Machines.Constructor,
-        outputs={Items.Screws: 50.0},
-        inputs={Items.IronRod: 20.0},
-    )
-    IronRod = Recipe(
-        name="Iron Rod",
-        building=Machines.Constructor,
-        outputs={Items.IronRod: 15.0},
-        inputs={Items.IronIngot: 15.0},
-    )
-    BronzeBeam = Recipe(
-        name="Bronze Beam",
-        building=Machines.Constructor,
-        outputs={Items.BronzeBeam: 7.5},
-        inputs={Items.BronzeIngot: 22.5},
-    )
-    BronzeIngot = Recipe(
-        name="Bronze Ingot",
-        building=Machines.Foundry,
-        outputs={Items.BronzeIngot: 45.0},
-        inputs={
-            Items.CopperIngot: 36.0,
-            Items.TinIngot: 15.0,
-        },
-    )
-    CopperIngot = Recipe(
-        name="Copper Ingot",
-        building=Machines.Smelter,
-        outputs={Items.CopperIngot: 48.0},
-        inputs={Items.CrushedCopper: 48.0},
-    )
-    CrushedCopper = Recipe(
-        name="Crushed Copper",
-        building=Machines.Sorter,
-        outputs={
-            Items.CrushedCopper: 96.0,
-            Items.CrushedMagnesium: 80.0,
-            Items.CrushedGangue: 40.0,
-        },
-        inputs={Items.CrushedCallanite: 120.0},
-    )
-    CrushedCallanite = Recipe(
-        name="Crushed Callanite",
-        building=Machines.Sorter,
-        outputs={
-            Items.CrushedCallanite: 60.0,
-            Items.CrushedGangue: 25.0,
-        },
-        inputs={Items.CallaniteOre: 60.0},
-    )
-
-
-# Items which are considered raw resources (mined); they have no crafting recipes here
-RAW_RESOURCES = {
-    Items.IronOre,
-    Items.CopperOre,
-    Items.Limestone,
-    Items.SiteriteOre,
-}
-
-
-def compute_chain(targets: Dict[Items, float]) -> Tuple[Dict[str, float], List[dict], Dict[str, float], Dict[str, float]]:
+def compute_chain(targets: Dict[Items, float], preferred_by_output: Optional[Dict[Items, str]] = None) -> Tuple[Dict[str, float], List[dict], Dict[str, float], Dict[str, float]]:
    """
    Given desired output rates (item -> units/min), compute:
    - required raw input rates (raw item -> units/min)
@@ -205,14 +86,44 @@ def compute_chain(targets: Dict[Items, float]) -> Tuple[Dict[str, float], List[d
    - total production rates (echo of targets summed if multiple entries per item)
    - unused byproducts (items/min) produced by multi-output recipes but not consumed or targeted
    Uses the Recipes enum and Items objects.
+
+    Now supports alternate recipes: when multiple recipes produce the same output item,
+    a selection heuristic is used unless an explicit preference is configured.
+
+    preferred_by_output: optional mapping from output Item -> recipe name to force selection for that item.
    """
-    # Build a mapping from output item -> recipe that produces it (default recipe set)
-    output_to_recipe: Dict[Items, Recipe] = {}
+    # Build a mapping from output item -> list of recipes that produce it
+    output_to_recipes: Dict[Items, List[Recipe]] = {}
    for r in Recipes:
        recipe = r.value
        for out_item in recipe.outputs.keys():
-            # prefer the first seen; can be extended to handle alternates later
-            output_to_recipe.setdefault(out_item, recipe)
+            output_to_recipes.setdefault(out_item, []).append(recipe)
+
+    # Optional explicit preferences: map output Item -> recipe name to prefer
+    PREFERRED_RECIPE_BY_OUTPUT: Dict[Items, str] = preferred_by_output or {}
+
+    # Heuristic to select a recipe when multiple alternatives exist
+    def select_recipe_for(item: Items) -> Optional[Recipe]:
+        candidates = output_to_recipes.get(item, [])
+        if not candidates:
+            return None
+        # If explicit preference exists and matches a candidate, use it
+        pref_name = PREFERRED_RECIPE_BY_OUTPUT.get(item)
+        if pref_name:
+            for c in candidates:
+                if c.name == pref_name:
+                    return c
+        # Otherwise pick the candidate with the highest per-building output for this item
+        # Tie-breaker 1: smallest total input per unit of this output
+        # Tie-breaker 2: deterministic by name
+        def score(c: Recipe) -> Tuple[float, float, str]:
+            per_build_out = c.outputs.get(item, 0.0)
+            total_input = sum(c.inputs.values())
+            # Lower input per unit is better; we express as (total_input/per_build_out)
+            # Protect against division by zero
+            eff = float('inf') if per_build_out <= 0 else (total_input / per_build_out)
+            return (per_build_out, -eff, c.name)
+        return sorted(candidates, key=score, reverse=True)[0]

    # Aggregate demands for each item
    demand: Dict[Items, float] = {}
@@ -236,18 +147,24 @@ def compute_chain(targets: Dict[Items, float]) -> Tuple[Dict[str, float], List[d
    # Expand demanded craftable items into their inputs until only raw remain
    while True:
        craftable_item = next(
-            (i for i, r in demand.items() if r > 1e-9 and i in output_to_recipe),
+            (i for i, r in demand.items() if r > 1e-9 and i in output_to_recipes),
            None,
        )
        if craftable_item is None:
            break

        needed_rate = demand[craftable_item]
-        recipe = output_to_recipe[craftable_item]
+        recipe = select_recipe_for(craftable_item)
+        if recipe is None:
+            # Should not happen because craftable_item is in output_to_recipes,
+            # but guard anyway: treat as raw if selection failed.
+            demand[craftable_item] = 0.0
+            raw_requirements[craftable_item.value.name] = raw_requirements.get(craftable_item.value.name, 0.0) + needed_rate
+            continue
        per_building_output = recipe.outputs[craftable_item]

        # Buildings needed
-        buildings = needed_rate / per_building_output
+        buildings = needed_rate / per_building_output if per_building_output > 0 else 0.0
        buildings_ceiled = ceil(buildings - 1e-9)
        utilization = 0.0 if buildings_ceiled == 0 else buildings / buildings_ceiled

@@ -282,10 +199,6 @@ def compute_chain(targets: Dict[Items, float]) -> Tuple[Dict[str, float], List[d
    for item, rate in demand.items():
        if rate <= 1e-9:
            continue
-        if item in RAW_RESOURCES or item not in output_to_recipe:
-            raw_requirements[item.value.name] = raw_requirements.get(item.value.name, 0.0) + rate
-        else:
-            # Shouldn't happen, but guard
        raw_requirements[item.value.name] = raw_requirements.get(item.value.name, 0.0) + rate

    # Merge steps for same item/building
@@ -321,7 +234,7 @@ def compute_chain(targets: Dict[Items, float]) -> Tuple[Dict[str, float], List[d
    return raw_requirements, merged_steps, total_outputs, unused_byproducts


-@app.route("/", methods=["GET", "POST"])
+@app.route("/", methods=["GET"])
 def index():
    # Build selectable items list from Items enum (display names)
    item_names = sorted([i.value.name for i in Items])
@@ -332,9 +245,35 @@ def index():
    selected_item = item_names[0] if item_names else ""
    selected_rate = 60.0

-    if request.method == "POST":
-        item_name = request.form.get("item") or selected_item
-        rate_str = request.form.get("rate")
+    # Read from query parameters for bookmarkable URLs
+    item_name = request.args.get("item") or selected_item
+    rate_str = request.args.get("rate")
+    selected_recipe = request.args.get("recipe") or ""
+
+    # Parse per-item recipe overrides from query params recipe_for_<slug(item)>
+    # Build slug -> Items map
+    slug_to_item: Dict[str, Items] = { _slugify(i.value.name): i for i in Items }
+    overrides: Dict[Items, str] = {}
+    for key, value in request.args.items():
+        if not key.startswith("recipe_for_"):
+            continue
+        if value is None or value == "":
+            continue
+        slug = key[len("recipe_for_"):]
+        item_enum = slug_to_item.get(slug)
+        if not item_enum:
+            continue
+        # Validate that the value is a valid recipe option for this item
+        candidates = []
+        for r in Recipes:
+            rec = r.value
+            if item_enum in rec.outputs:
+                candidates.append(rec.name)
+        if value in candidates:
+            overrides[item_enum] = value
+
+    rate = None
+    if rate_str is not None and rate_str != "":
        try:
            rate = float(rate_str)
            if rate < 0:
@@ -347,13 +286,39 @@ def index():
    if rate is not None:
        selected_rate = rate

+    # Determine candidate recipes for the selected output item
+    recipe_options: List[str] = []
+    item_obj_for_options = name_to_item.get(selected_item)
+    if item_obj_for_options is not None:
+        for r in Recipes:
+            recipe = r.value
+            if item_obj_for_options in recipe.outputs:
+                recipe_options.append(recipe.name)
+        recipe_options.sort()
+        # Validate selected_recipe against available options
+        if selected_recipe not in recipe_options:
+            selected_recipe = ""
+    else:
+        selected_recipe = ""
+
+    # Build preferred map merging top-level selection and overrides
+    preferred: Optional[Dict[Items, str]] = None
+    if selected_recipe or overrides:
+        preferred = {}
+        preferred.update(overrides)
+        if selected_recipe and item_obj_for_options is not None:
+            preferred[item_obj_for_options] = selected_recipe
+
+    # Compute and also prepare per-item override options based on resulting chain
+    overrides_ui: List[dict] = []
+
    if not error and item_name and rate is not None:
        item_obj = name_to_item.get(item_name)
        if item_obj is None:
            error = "Unknown item selected."
        else:
            targets = {item_obj: rate}
-                raw, steps, outputs, unused = compute_chain(targets)
+            raw, steps, outputs, unused = compute_chain(targets, preferred_by_output=preferred)
            result = {
                "targets": {item_name: rate},
                "raw": raw,
@@ -362,6 +327,46 @@ def index():
                "unused": unused,
            }

+            # Collect unique output items from steps
+            unique_items = []
+            seen = set()
+            for s in steps:
+                item_nm = s.get("item")
+                if item_nm and item_nm not in seen:
+                    seen.add(item_nm)
+                    unique_items.append(item_nm)
+            # For each item, compute candidate recipes and current selection
+            for item_nm in unique_items:
+                item_enum2 = name_to_item.get(item_nm)
+                if not item_enum2:
+                    continue
+                candidates = []
+                for r in Recipes:
+                    rec = r.value
+                    if item_enum2 in rec.outputs:
+                        candidates.append({
+                            "name": rec.name,
+                            "building": rec.building.value.name,
+                        })
+                if len(candidates) <= 1:
+                    continue  # only show when alternates exist
+                candidates.sort(key=lambda x: (x["name"]))
+                sel = None
+                if preferred and item_enum2 in preferred:
+                    sel = preferred[item_enum2]
+                slug = _slugify(item_nm)
+                overrides_ui.append({
+                    "item_name": item_nm,
+                    "slug": slug,
+                    "options": candidates,
+                    "selected": sel or "",
+                })
+
+    # Build reset query (clear overrides)
+    reset_query = f"?item={selected_item}&rate={selected_rate}"
+    if selected_recipe:
+        reset_query += f"&recipe={selected_recipe}"
+
    return render_template(
        "index.html",
        items=item_names,
@@ -369,6 +374,10 @@ def index():
        error=error,
        selected_item=selected_item,
        selected_rate=selected_rate,
+        recipe_options=recipe_options,
+        selected_recipe=selected_recipe,
+        overrides_ui=overrides_ui,
+        reset_query=reset_query,
    )


@@ -378,4 +387,5 @@ def create_app():

 if __name__ == "__main__":
    # For local dev: python main.py
-    app.run(host="0.0.0.0", port=5000, debug=True)
+    # app.run(host="0.0.0.0", port=5000, debug=True)
+    compute_chain2({Items.ModularFrame: 45.0})
--- a/plus.py
+++ b/plus.py
@@ -0,0 +1,479 @@
+from enum import Enum
+from typing import Dict
+
+from pydantic import BaseModel, Field, ConfigDict
+
+
+class Item(BaseModel):
+    name: str
+
+class Machine(BaseModel):
+    name: str
+
+class Machines(Enum):
+    Miner = Machine(name="Miner")
+    Smelter =  Machine(name="Smelter")
+    Constructor = Machine(name="Constructor")
+    Assembler = Machine(name="Assembler")
+    Sorter = Machine(name="Sorter")
+    Crusher = Machine(name="Crusher")
+    Foundry = Machine(name="Foundry")
+
+class Items(Enum):
+    IronIngot = Item(name="Iron Ingot")
+    CopperIngot = Item(name="Copper Ingot")
+    Limestone = Item(name="Limestone")
+    IronOre = Item(name="Iron Ore")
+    CopperOre = Item(name="Copper Ore")
+    IronPlate = Item(name="Iron Plate")
+    IronRod = Item(name="Iron Rod")
+    Wire = Item(name="Wire")
+    Cable = Item(name="Cable")
+    Concrete = Item(name="Concrete")
+    ReinforcedIronPlate = Item(name="Reinforced Iron Plate")
+    ModularFrame = Item(name="Modular Frame")
+    BronzeBeam = Item(name="Bronze Beam")
+    TinPlate = Item(name="Tin Plate")
+    TinIngot = Item(name="Tin Ingot")
+    CrushedTin = Item(name="Crushed Tin")
+    CrushedIron = Item(name="Crushed Iron")
+    CrushedGangue = Item(name="Crushed Gangue")
+    CrushedSiterite = Item(name="Crushed Siterite")
+    SiteriteOre = Item(name="Siterite Ore")
+    Screws = Item(name="Screws")
+    BronzeIngot = Item(name="Bronze Ingot")
+    CrushedCopper = Item(name="Crushed Copper")
+    CrushedMagnesium = Item(name="Crushed Magnesium")
+    CrushedCallanite = Item(name="Crushed Callanite")
+    CallaniteOre = Item(name="Callanite Ore")
+    CrushedLarrussite = Item(name="Crushed Larrussite")
+    CrushedAurovite = Item(name="Crushed Aurovite")
+    AuroviteOre = Item(name="Aurovite Ore")
+    Sand = Item(name="Sand")
+    MagnesiumGranules = Item(name="Magnesium Granules")
+    CrushedZinc = Item(name="Crushed Zinc")
+    LarrussiteOre = Item(name="Larrussite Ore")
+    ZincIngot = Item(name="Zinc Ingot")
+    Glass = Item(name="Glass")
+    IronSheet = Item(name="Iron Sheet")
+    CopperRod = Item(name="Copper Rod")
+    CopperSheet = Item(name="Copper Sheet")
+    BronzePlates = Item(name="Bronze Plates")
+    CateriumRod = Item(name="Caterium Rod")
+    CateriumIngot = Item(name="Caterium Ingot")
+    CateriumPlate = Item(name="Caterium Plate")
+    TinRod = Item(name="Tin Rod")
+    ZincPlates = Item(name="Zinc Plates")
+    IronWire = Item(name="Iron Wire")
+    CopperBusbars = Item(name="Copper Busbars")
+    Quickwire = Item(name="Quickwire")
+    TinnedWire = Item(name="Tinned Wire")
+    SolarCell = Item(name="Solar Cell")
+    Silica = Item(name="Silica")
+    BronzePipes = Item(name="Bronze Pipes")
+    SmoothBeltDrive = Item(name="Smooth Belt Drive")
+    TinnedSheet = Item(name="Tinned Sheet")
+    Rotor = Item(name="Rotor")
+    BronzeFrame = Item(name="Bronze Frame")
+    AILimiter = Item(name="AI Limiter")
+
+
+class Recipe(BaseModel):
+    model_config = ConfigDict(frozen=True)
+    name: str                 # Human-friendly name
+    building: Machines         # e.g., "Smelter", "Constructor"
+    outputs: Dict[Items, float]          # Produced item name
+    inputs: Dict[Items, float] = Field(default_factory=dict)
+
+
+class Recipes(Enum):
+    # Crusher
+    # - Crushing Ores
+    CrushedSiterite = Recipe(
+        name="Crushed Siterite",
+        building=Machines.Crusher,
+        outputs={
+            Items.CrushedSiterite: 60.0,
+            Items.CrushedGangue: 25.0,
+        },
+        inputs={Items.SiteriteOre: 60.0},
+    )
+    CrushedLarrussite = Recipe(
+        name="Crushed Larrussite",
+        building=Machines.Crusher,
+        outputs={
+            Items.CrushedLarrussite: 40.0,
+            Items.CrushedGangue: 20.0,
+        },
+        inputs={Items.LarrussiteOre: 60.0},
+    )
+    CrushedCallanite = Recipe(
+        name="Crushed Callanite",
+        building=Machines.Crusher,
+        outputs={
+            Items.CrushedCallanite: 60.0,
+            Items.CrushedGangue: 25.0,
+        },
+        inputs={Items.CallaniteOre: 60.0},
+    )
+    CrushedAurovite = Recipe(
+        name="Crushed Aurovite",
+        building=Machines.Crusher,
+        outputs={
+            Items.CrushedAurovite: 60.0,
+            Items.CrushedGangue: 22.5,
+        },
+        inputs={Items.AuroviteOre: 60.0},
+    )
+    # - Crushing Powders
+    CoarseSand = Recipe(
+        name="Coarse Sand",
+        building=Machines.Crusher,
+        outputs={
+            Items.Sand: 30.0
+        },
+        inputs={Items.CrushedGangue: 60.0},
+    )
+    MagnesiumGranules = Recipe(
+        name="Magnesium Granules",
+        building=Machines.Crusher,
+        outputs={
+            Items.MagnesiumGranules: 72.0
+        },
+        inputs={Items.CrushedMagnesium: 80.0},
+    )
+
+    # Sorter
+    # - Simple Sorting
+    CrushedIron = Recipe(
+        name="Crushed Iron",
+        building=Machines.Sorter,
+        outputs={
+            Items.CrushedIron: 90.0,
+            Items.CrushedTin: 60.0,
+            Items.CrushedGangue: 40.0,
+        },
+        inputs={Items.CrushedSiterite: 120.0},
+    )
+    CrushedCopper = Recipe(
+        name="Crushed Copper",
+        building=Machines.Sorter,
+        outputs={
+            Items.CrushedCopper: 96.0,
+            Items.CrushedMagnesium: 80.0,
+            Items.CrushedGangue: 40.0,
+        },
+        inputs={Items.CrushedCallanite: 120.0},
+    )
+    CrushedZinc = Recipe(
+        name="Crushed Zinc",
+        building=Machines.Sorter,
+        outputs={
+            Items.CrushedZinc: 96.0,
+            Items.CrushedMagnesium: 48.0,
+            Items.CrushedGangue: 60.0,
+        },
+        inputs={Items.CrushedLarrussite: 120.0},
+    )
+    # Smelter
+    # - smelting
+    IronIngot = Recipe(
+        name="Iron Ingot",
+        building=Machines.Smelter,
+        outputs={Items.IronIngot: 30.0},
+        inputs={Items.CrushedIron: 30.0},
+    )
+    CopperIngot = Recipe(
+        name="Copper Ingot",
+        building=Machines.Smelter,
+        outputs={Items.CopperIngot: 48.0},
+        inputs={Items.CrushedCopper: 48.0},
+    )
+    TinIngot = Recipe(
+        name="Tin Ingot",
+        building=Machines.Smelter,
+        outputs={Items.TinIngot: 15.0},
+        inputs={Items.CrushedTin: 15.0},
+    )
+    # - Ingots
+    ImpureIronIngot = Recipe(
+        name="Impure Iron Ingot",
+        building=Machines.Smelter,
+        outputs={Items.IronIngot: 30.0},
+        inputs={Items.CrushedSiterite: 30.0},
+    )
+    ImpureCopperIngot = Recipe(
+        name="Impure Copper Ingot",
+        building=Machines.Smelter,
+        inputs={Items.CrushedCallanite: 24.0},
+        outputs={Items.CopperIngot: 24.0},
+    )
+    ImpureTinIngot = Recipe(
+        name="Impure Tin Ingot",
+        building=Machines.Smelter,
+        inputs={Items.CrushedSiterite: 30.0},
+        outputs={Items.TinIngot: 15.0},
+    )
+    ImpureCateriumIngot = Recipe(
+        name="Impure Caterium Ingot",
+        building=Machines.Smelter,
+        inputs={Items.CrushedAurovite: 40.0},
+        outputs={Items.CateriumIngot: 24.0},
+    )
+    ZincIngot = Recipe(
+        name="Zinc Ingot",
+        building=Machines.Smelter,
+        outputs={Items.ZincIngot: 15.0},
+        inputs={Items.CrushedZinc: 24.0},
+    )
+    # - Standard Parts
+    SloppyGlass = Recipe(
+        name="Sloppy Glass",
+        building=Machines.Smelter,
+        outputs={Items.Glass: 20.0},
+        inputs={Items.Sand: 30.0},
+    )
+    # Constructor
+    # - Standard Parts
+    IronPlate = Recipe(
+        name="Iron Plate",
+        building=Machines.Constructor,
+        outputs={Items.IronPlate: 20.0},
+        inputs={Items.IronIngot: 30.0},
+    )
+    Screws = Recipe(
+        name="Screws",
+        building=Machines.Constructor,
+        outputs={Items.Screws: 50.0},
+        inputs={Items.IronRod: 20.0},
+    )
+    IronRod = Recipe(
+        name="Iron Rod",
+        building=Machines.Constructor,
+        outputs={Items.IronRod: 15.0},
+        inputs={Items.IronIngot: 15.0},
+    )
+    IronSheet = Recipe(
+        name="Iron Sheet",
+        building=Machines.Constructor,
+        outputs={Items.IronSheet: 50.0},
+        inputs={Items.IronPlate: 40.0},
+    )
+    CopperRod = Recipe(
+        name="Copper Rod",
+        building=Machines.Constructor,
+        outputs={Items.CopperRod: 18.0},
+        inputs={Items.CopperIngot: 12.0},
+    )
+    CopperSheet = Recipe(
+        name="Copper Sheet",
+        building=Machines.Constructor,
+        outputs={Items.CopperSheet: 30.0},
+        inputs={Items.CopperIngot: 24.0},
+    )
+    BronzeBeam = Recipe(
+        name="Bronze Beam",
+        building=Machines.Constructor,
+        outputs={Items.BronzeBeam: 7.5},
+        inputs={Items.BronzeIngot: 22.5},
+    )
+    BronzePlates = Recipe(
+        name="Bronze Plates",
+        building=Machines.Constructor,
+        outputs={Items.BronzePlates: 24.0},
+        inputs={Items.BronzeIngot: 30.0},
+    )
+    CateriumRod = Recipe(
+        name="Caterium Rod",
+        building=Machines.Constructor,
+        outputs={Items.CateriumRod: 32.0},
+        inputs={Items.CateriumIngot: 16.0},
+    )
+    CateriumPlate = Recipe(
+        name="Caterium Plate",
+        building=Machines.Constructor,
+        outputs={Items.CateriumPlate: 36.0},
+        inputs={Items.CateriumIngot: 60.0},
+    )
+    TinRod = Recipe(
+        name="Tin Rod",
+        building=Machines.Constructor,
+        outputs={Items.TinRod: 15.0},
+        inputs={Items.TinIngot: 30.0},
+    )
+    ZincPlates = Recipe(
+        name="Zinc Plates",
+        building=Machines.Constructor,
+        outputs={Items.ZincPlates: 15.0},
+        inputs={Items.ZincIngot: 12.5},
+    )
+    # - Electronics
+    IronWire = Recipe(
+        name="Iron Wire",
+        building=Machines.Constructor,
+        outputs={Items.IronWire: 30.0},
+        inputs={Items.IronRod: 20.0},
+    )
+    Wire = Recipe(
+        name="Wire",
+        building=Machines.Constructor,
+        outputs={Items.Wire: 30.0},
+        inputs={Items.CopperRod: 18.0},
+    )
+    CopperBusbars = Recipe(
+        name="Copper Busbars",
+        building=Machines.Constructor,
+        outputs={Items.CopperBusbars: 15.0},
+        inputs={Items.CopperRod: 24.0},
+    )
+    Cable = Recipe(
+        name="Cable",
+        building=Machines.Constructor,
+        outputs={Items.Cable: 30.0},
+        inputs={Items.Wire: 60.0},
+    )
+    Quickwire = Recipe(
+        name="Quickwire",
+        building=Machines.Constructor,
+        outputs={Items.Quickwire: 80.0},
+        inputs={Items.CateriumRod: 24.0},
+    )
+    PureTinWire = Recipe(
+        name="Pure Tin Wire",
+        building=Machines.Constructor,
+        outputs={Items.TinnedWire: 11.25},
+        inputs={Items.TinRod: 15.0},
+    )
+    # - Compounds
+    Concrete = Recipe(
+        name="Concrete",
+        building=Machines.Constructor,
+        outputs={Items.Concrete: 15.0},
+        inputs={Items.CrushedGangue: 45.0},
+    )
+
+    # Foundry
+    # - Building Parts
+    SolarCell = Recipe(
+        name="Solar Cell",
+        building=Machines.Foundry,
+        outputs={Items.SolarCell: 11.25},
+        inputs={
+            Items.ZincPlates: 22.5,
+            Items.Silica: 67.5,
+        },
+    )
+    # - Alloys
+    BronzePipes = Recipe(
+        name="Bronze Pipes",
+        building=Machines.Foundry,
+        outputs={Items.BronzePipes: 36.0},
+        inputs={
+            Items.CopperIngot: 24.0,
+            Items.TinIngot: 15.0,
+        },
+    )
+    # - ingots
+    BronzeIngot = Recipe(
+        name="Bronze Ingot",
+        building=Machines.Foundry,
+        outputs={Items.BronzeIngot: 45.0},
+        inputs={
+            Items.CopperIngot: 36.0,
+            Items.TinIngot: 15.0,
+        },
+    )
+    # - Other
+    ThermalSilica = Recipe(
+        name="Thermal Silica",
+        building=Machines.Foundry,
+        outputs={Items.Silica: 45.0},
+        inputs={
+            Items.Sand: 30.0,
+            Items.MagnesiumGranules: 27.0,
+        },
+    )
+    # Assembler
+    # - Building Parts
+    SmoothBeltDrive = Recipe(
+        name="Smooth Belt Drive",
+        building=Machines.Assembler,
+        outputs={Items.SmoothBeltDrive: 18.75},
+        inputs={
+            Items.TinnedSheet: 15.0,
+            Items.Rotor: 3.75,
+        },
+    )
+    # - Standard Parts
+    TinPlate = Recipe(
+        name="Tin Plate",
+        building=Machines.Assembler,
+        outputs={Items.TinPlate: 40.0},
+        inputs={
+            Items.TinIngot: 30.0,
+            Items.IronPlate: 20.0,
+        },
+    )
+    TinnedWire = Recipe(
+        name="Tinned Wire",
+        building=Machines.Assembler,
+        outputs={Items.TinnedWire: 90},
+        inputs={
+            Items.Wire: 60.0,
+            Items.TinRod: 45.0,
+        },
+    )
+    TinnedSheet = Recipe(
+        name="Tinned Sheet",
+        building=Machines.Assembler,
+        outputs={Items.TinnedSheet: 40.0},
+        inputs={
+            Items.TinIngot: 20.0,
+            Items.CopperSheet: 20.0,
+        },
+    )
+    Rotor = Recipe(
+        name="Rotor",
+        building=Machines.Assembler,
+        outputs={Items.Rotor: 7.5},
+        inputs={
+            Items.CopperBusbars: 22.5,
+            Items.IronWire: 60.0,
+        },
+    )
+    ReinforcedIronPlate = Recipe(
+        name="Reinforced Iron Plate",
+        building=Machines.Assembler,
+        outputs={Items.ReinforcedIronPlate: 5.0},
+        inputs={
+            Items.TinPlate: 20.0,
+            Items.Screws: 37.5,
+        },
+    )
+    BronzeFrame = Recipe(
+        name="Bronze Frame",
+        building=Machines.Assembler,
+        outputs={Items.BronzeFrame: 5.0},
+        inputs={
+            Items.BronzeBeam: 10.0,
+            Items.BronzePipes: 24.0,
+        },
+    )
+    ModularFrame = Recipe(
+        name="Modular Frame",
+        building=Machines.Assembler,
+        outputs={Items.ModularFrame: 6.0},
+        inputs={
+            Items.ReinforcedIronPlate: 7.5,
+            Items.BronzeBeam: 7.5,
+        },
+    )
+    AILimiter = Recipe(
+        name="AI Limiter",
+        building=Machines.Assembler,
+        outputs={Items.AILimiter: 6.0},
+        inputs={
+            Items.CateriumPlate: 24.0,
+            Items.TinnedWire: 18.0,
+        },
+    )
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,5 +5,7 @@ description = "Web-based Satisfactory production calculator in Python (Flask)"
 requires-python = ">=3.13"
 dependencies = [
    "flask>=3.0",
+    "networkx>=3.5",
    "pydantic>=2.12.4",
+    "rich>=14.2.0",
 ]
--- a/templates/index.html
+++ b/templates/index.html
@@ -8,7 +8,7 @@
    :root { --bg: #0f172a; --card: #111827; --text: #e5e7eb; --muted:#94a3b8; --accent:#22d3ee; --ok:#4ade80; }
    * { box-sizing: border-box; }
    body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
-    .container { max-width: 960px; margin: 0 auto; padding: 24px; }
+    .container {  margin: 0 auto; padding: 24px; }
    h1 { font-size: 1.75rem; margin: 0 0 8px; }
    p { color: var(--muted); margin-top: 0; }
    .card { background: var(--card); border: 1px solid #1f2937; border-radius: 10px; padding: 16px; }
@@ -31,9 +31,9 @@
 <body>
  <div class="container">
    <h1>Satisfactory Production Calculator</h1>
-    <p>Compute buildings and raw inputs for a target output rate (items per minute). Data set includes a few early-game default recipes; you can extend it in <code>main.py</code>.</p>
+    <p>Compute buildings and raw inputs for a target output rate (items per minute).</p>

-    <form class="card" method="post">
+    <form class="card" method="get">
      <div class="row">
        <div>
          <label for="item">Product</label>
@@ -48,6 +48,7 @@
          <input id="rate" name="rate" type="number" step="0.01" min="0" value="{{ selected_rate }}" required>
        </div>
      </div>
+
      <div class="mt">
        <button type="submit">Calculate</button>
      </div>
@@ -78,6 +79,42 @@
          <p class="pill">No raw resources required (target is a raw resource).</p>
        {% endif %}

+        {% if overrides_ui and overrides_ui|length > 0 %}
+          <h3 class="mt">Recipe overrides</h3>
+          <form method="get" class="card" style="background: transparent; border:0; padding:0;">
+            <input type="hidden" name="item" value="{{ selected_item }}">
+            <input type="hidden" name="rate" value="{{ selected_rate }}">
+            {% if selected_recipe %}<input type="hidden" name="recipe" value="{{ selected_recipe }}">{% endif %}
+            <table>
+              <thead>
+                <tr>
+                  <th>Item</th>
+                  <th>Override recipe</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for ov in overrides_ui %}
+                  <tr>
+                    <td>{{ ov.item_name }}</td>
+                    <td>
+                      <select name="recipe_for_{{ ov.slug }}">
+                        <option value="" {% if not ov.selected %}selected{% endif %}>Auto-select best</option>
+                        {% for opt in ov.options %}
+                          <option value="{{ opt.name }}" {% if ov.selected and opt.name==ov.selected %}selected{% endif %}>{{ opt.name }} ({{ opt.building }})</option>
+                        {% endfor %}
+                      </select>
+                    </td>
+                  </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+            <div class="mt">
+              <button type="submit">Recalculate</button>
+              <a href="{{ reset_query }}" class="pill" style="margin-left:8px; display:inline-block; text-decoration:none;">Reset overrides</a>
+            </div>
+          </form>
+        {% endif %}
+
        <h3 class="mt">Production steps</h3>
        {% if result.steps %}
          <table>
--- a/uv.lock
+++ b/uv.lock
@@ -79,6 +79,18 @@ wheels = [
    { url = "https://files.pythonhosted.org/packages/62/a1/3d680cbfd5f4b8f15abc1d571870c5fc3e594bb582bc3b64ea099db13e56/jinja2-3.1.6-py3-none-any.whl", hash = "sha256:85ece4451f492d0c13c5dd7c13a64681a86afae63a5f347908daf103ce6d2f67", size = 134899, upload-time = "2025-03-05T20:05:00.369Z" },
 ]

+[[package]]
+name = "markdown-it-py"
+version = "4.0.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "mdurl" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/5b/f5/4ec618ed16cc4f8fb3b701563655a69816155e79e24a17b651541804721d/markdown_it_py-4.0.0.tar.gz", hash = "sha256:cb0a2b4aa34f932c007117b194e945bd74e0ec24133ceb5bac59009cda1cb9f3", size = 73070, upload-time = "2025-08-11T12:57:52.854Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/94/54/e7d793b573f298e1c9013b8c4dade17d481164aa517d1d7148619c2cedbf/markdown_it_py-4.0.0-py3-none-any.whl", hash = "sha256:87327c59b172c5011896038353a81343b6754500a08cd7a4973bb48c6d578147", size = 87321, upload-time = "2025-08-11T12:57:51.923Z" },
+]
+
 [[package]]
 name = "markupsafe"
 version = "3.0.3"
@@ -131,6 +143,24 @@ wheels = [
    { url = "https://files.pythonhosted.org/packages/70/bc/6f1c2f612465f5fa89b95bead1f44dcb607670fd42891d8fdcd5d039f4f4/markupsafe-3.0.3-cp314-cp314t-win_arm64.whl", hash = "sha256:32001d6a8fc98c8cb5c947787c5d08b0a50663d139f1305bac5885d98d9b40fa", size = 14146, upload-time = "2025-09-27T18:37:28.327Z" },
 ]

+[[package]]
+name = "mdurl"
+version = "0.1.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d6/54/cfe61301667036ec958cb99bd3efefba235e65cdeb9c84d24a8293ba1d90/mdurl-0.1.2.tar.gz", hash = "sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba", size = 8729, upload-time = "2022-08-14T12:40:10.846Z" }
+wheels = [
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Author	SHA1	Message	Date
Ajurna	58c83f6140	checkpoint	2025-11-07 09:03:25 +00:00
Ajurna	562b33dff9	Introduce enums for items, machines, and recipes, and integrate recipe selection logic. Add `.gitignore` and improve Flask app for query-based input handling.	2025-11-06 20:36:26 +00:00