Introduce enums for items, machines, and recipes, and integrate recipe selection logic. Add .gitignore and improve Flask app for query-based input handling.

.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/
+

.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>

.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>

main.py

@@ -1,201 +1,12 @@
-from __future__ import annotations
-
-from dataclasses import dataclass
 from enum import Enum
 from math import ceil
 from typing import Dict, List, Tuple, Optional
 
 from flask import Flask, render_template, request
 from pydantic import BaseModel, Field
-
+from plus import Items, Machines, Recipes, Recipe
 app = Flask(__name__)
 
-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")
-
-class RawResources(Enum):
-    IronOre = Items.IronOre
-    CopperOre = Items.CopperOre
-    Limestone = Items.Limestone
-
-
-# --- 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)
-
-
-# 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]]:
     """
@@ -205,14 +16,43 @@ 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.
     """
-    # Build a mapping from output item -> recipe that produces it (default recipe set)
+    # Build a mapping from output item -> list of recipes that produce it
-    output_to_recipe: Dict[Items, Recipe] = {}
+    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_recipes.setdefault(out_item, []).append(recipe)
-            output_to_recipe.setdefault(out_item, recipe)
+
+    # Optional explicit preferences: map output Item -> recipe name to prefer
+    # Users can populate/modify this mapping elsewhere if desired.
+    PREFERRED_RECIPE_BY_OUTPUT: Dict[Items, str] = {}
+
+    # 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 +76,24 @@ 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 +128,6 @@ 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 +163,7 @@ 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 +174,11 @@ def index():
     selected_item = item_names[0] if item_names else ""
     selected_rate = 60.0
 
-    if request.method == "POST":
+    # Read from query parameters for bookmarkable URLs
-        item_name = request.form.get("item") or selected_item
+    item_name = request.args.get("item") or selected_item
-        rate_str = request.form.get("rate")
+    rate_str = request.args.get("rate")
+    rate = None
+    if rate_str is not None and rate_str != "":
         try:
             rate = float(rate_str)
             if rate < 0:

plus.py

@@ -0,0 +1,477 @@
+from enum import Enum
+from typing import Dict
+
+from pydantic import BaseModel, Field
+
+
+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):
+    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.CopperIngot: 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,
+        },
+    )

templates/index.html

@@ -33,7 +33,7 @@
     <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>
 
-    <form class="card" method="post">
+    <form class="card" method="get">
       <div class="row">
         <div>
           <label for="item">Product</label>