class_name RecipeCatalog
## Static registry of all recipes. Each method returns a fresh Recipe instance
## configured for that product. Extend here as new workbenches land.
##
## Phase 6 — two recipes:
##   plank()              — wood → plank        (Carpenter's bench, Crafting)
##   stone_block()        — stone → stone_block  (Smelter, Crafting)
##
## Phase 7 — cooking chain (grain → flour → bread, vegetable → meal):
##   flour()              — grain → flour        (Millstone, Crafting)
##   bread()              — flour → bread        (Hearth, Cooking)
##   meal_from_vegetables() — vegetable → meal   (Hearth, Cooking)
##
## The full ~22-recipe list per docs/design.md continues in Phase 8+.


static func plank() -> Recipe:
	var r := Recipe.new()
	r.id = &"plank"
	r.label = "Wood plank"
	r.ingredient_type = Item.TYPE_WOOD
	r.output_type = Item.TYPE_PLANK
	r.work_ticks = 60        # ~3 sim seconds at 1×  (20 Hz × 3 s = 60 ticks)
	r.required_skill = Recipe.SKILL_CRAFTING
	r.skill_threshold = 0
	r.target_workbench = &"carpenter"
	return r


static func stone_block() -> Recipe:
	var r := Recipe.new()
	r.id = &"stone_block"
	r.label = "Stone block"
	r.ingredient_type = Item.TYPE_STONE
	r.output_type = Item.TYPE_STONE_BLOCK
	r.work_ticks = 80        # ~4 sim seconds at 1×
	r.required_skill = Recipe.SKILL_CRAFTING
	r.skill_threshold = 0
	r.target_workbench = &"smelter"
	return r


# ── Phase 7 — cooking chain ───────────────────────────────────────────────────

static func flour() -> Recipe:
	## Step 1 of the grain→flour→bread chain.
	## Ingredient: grain. Output: flour. Worked at the Millstone (accepted_skill = crafting).
	## Any crafter can do this — no culinary expertise required for grinding.
	var r := Recipe.new()
	r.id = &"flour"
	r.label = "Flour"
	r.ingredient_type = Item.TYPE_GRAIN
	r.output_type = Item.TYPE_FLOUR
	r.work_ticks = 50        # ~2.5 sim seconds at 1× — quick grinding pass
	r.required_skill = Recipe.SKILL_CRAFTING
	r.skill_threshold = 0
	r.target_workbench = &"millstone"
	return r


static func bread() -> Recipe:
	## Step 2 of the grain→flour→bread chain.
	## Ingredient: flour. Output: bread. Worked at the Hearth (accepted_skill = cooking).
	var r := Recipe.new()
	r.id = &"bread"
	r.label = "Bread"
	r.ingredient_type = Item.TYPE_FLOUR
	r.output_type = Item.TYPE_BREAD
	r.work_ticks = 90        # ~4.5 sim seconds at 1× — baking takes longer
	r.required_skill = Recipe.SKILL_COOKING
	r.skill_threshold = 0
	return r


static func meal_from_vegetables() -> Recipe:
	## Single-step cooking: vegetable → meal. Worked at the Hearth (accepted_skill = cooking).
	## Parallel path so harvested produce (potatoes, etc.) can reach the belly
	## without going through the grain chain.
	var r := Recipe.new()
	r.id = &"meal_veg"
	r.label = "Veggie meal"
	r.ingredient_type = Item.TYPE_VEGETABLE
	r.output_type = Item.TYPE_MEAL
	r.work_ticks = 80        # ~4 sim seconds at 1×
	r.required_skill = Recipe.SKILL_COOKING
	r.skill_threshold = 0
	return r


# ── Phase 14 — Death + cremation ─────────────────────────────────────────────

static func cremate_corpse() -> Recipe:
	## Cremation recipe. Primary ingredient: 1 corpse (TYPE_CORPSE).
	## Secondary ingredient: 5 wood (ingredient2_type / ingredient2_count) — see
	## recipe.gd for the Phase 14 extension fields.
	## Output: 1 ash item (TYPE_ASH). Work time: 60 ticks (~3 sim seconds at 1×).
	## No Quality roll — cremation is binary.  accepted_skill = manual_labor;
	## any laborer can operate the pyre.
	##
	## Stub gap: CraftingProvider's ingredient-pickup step only handles the
	## primary ingredient (ingredient_type = TYPE_CORPSE).  The 5-wood secondary
	## requirement is recorded in ingredient2_type/ingredient2_count but is NOT
	## enforced at runtime until CraftingProvider is extended (Phase 14 follow-up).
	var r := Recipe.new()
	r.id = &"cremate_corpse"
	r.label = "Cremate corpse"
	r.ingredient_type = Item.TYPE_CORPSE
	r.ingredient2_type = Item.TYPE_WOOD
	r.ingredient2_count = 5
	r.output_type = Item.TYPE_ASH
	r.work_ticks = 60        # ~3 sim seconds at 1×
	r.required_skill = &"manual_labor"
	r.target_workbench = &"pyre"
	r.skill_threshold = 0
	return r


## Quarry workbench — no input, produces 1 stone per work cycle.  Used by the
## QuarryWorkbench placed on a BigRockNode for renewable stone supply.
static func quarry_stone() -> Recipe:
	var r := Recipe.new()
	r.id = &"quarry_stone"
	r.label = "Quarry stone"
	r.ingredient_type = &""    # no input
	r.output_type = Item.TYPE_STONE
	r.work_ticks = 300
	r.required_skill = &"manual_labor"
	r.target_workbench = &"quarry"
	r.skill_threshold = 0
	return r


# ── Phase 19 — iron/gold smelting ────────────────────────────────────────────

static func iron_smelt() -> Recipe:
	## Iron ore → iron ingot. Worked at the Smelter (accepted_skill = crafting).
	## Secondary fuel ingredient (wood) is recorded but not yet enforced at
	## runtime — CraftingProvider only checks the primary ingredient today.
	var r := Recipe.new()
	r.id = &"iron_smelt"
	r.label = "Smelt iron ingot"
	r.ingredient_type = Item.TYPE_IRON_ORE
	r.ingredient2_type = Item.TYPE_WOOD
	r.ingredient2_count = 1
	r.output_type = Item.TYPE_IRON_INGOT
	r.work_ticks = 200       # ~10 sim seconds at 1× — slower than stone-block
	r.required_skill = Recipe.SKILL_CRAFTING
	r.skill_threshold = 0
	r.target_workbench = &"smelter"
	return r


static func gold_smelt() -> Recipe:
	## Gold ore → gold ingot. Same smelting chain as iron.
	var r := Recipe.new()
	r.id = &"gold_smelt"
	r.label = "Smelt gold ingot"
	r.ingredient_type = Item.TYPE_GOLD
	r.ingredient2_type = Item.TYPE_WOOD
	r.ingredient2_count = 1
	r.output_type = Item.TYPE_GOLD_INGOT
	r.work_ticks = 200       # ~10 sim seconds at 1×
	r.required_skill = Recipe.SKILL_CRAFTING
	r.skill_threshold = 0
	r.target_workbench = &"smelter"
	return r


## Returns one fresh instance of every recipe in the catalog. Used by UI
## recipe-pickers to enumerate available bills; callers filter by
## `recipe.required_skill` and `recipe.target_workbench` against the
## workbench's `accepted_skill` and `label_text`.
static func all() -> Array[Recipe]:
	return [
		plank(),
		stone_block(),
		flour(),
		bread(),
		meal_from_vegetables(),
		cremate_corpse(),
		quarry_stone(),
		iron_smelt(),
		gold_smelt(),
	]