#pragma once

#include <optional>
#include <string>
#include <vector>

#include "BuildingType.h"

// One entry in [[recipe]].inputs — amount units of a named item consumed per
// production cycle (REQ-MAT-CYCLE).
struct RecipeIngredient
{
    std::string item;
    int amount;
};

// One entry in [[recipe]].outputs. For reprocessing_plant recipes, probability
// is populated and outputs are rolled with weighted pick at cycle start
// (REQ-BLD-REPROCESSING, REQ-MAT-CYCLE). For other buildings, probability is
// std::nullopt and all outputs are produced on every cycle.
struct RecipeOutput
{
    std::string item;
    int amount;
    std::optional<double> probability;
};

struct RecipeDef
{
    std::string id;                // Unique recipe id; used by UI for selection.
    BuildingType building;         // Which BuildingType can run this recipe.
    std::vector<RecipeIngredient> inputs;
    std::vector<RecipeOutput> outputs;
    double durationSeconds;
    // Assembler only. nullopt = implicit-only locking. -1 = explicitly unlocked
    // at game start. >= 0 = locked; schematic enters drop pool at that station
    // level once the output item is implicitly unlocked (REQ-LOCK-EXPLICIT).
    std::optional<int> unlockAtStationLevel;
    // Assembler recipe schematics only. Prerequisite schematic ids that must be
    // explicitly unlocked before this schematic can enter the drop pool
    // (REQ-LOCK-PREREQ). Empty = none.
    std::vector<std::string> unlockRequires;
};

struct RecipesConfig
{
    std::vector<RecipeDef> recipes;
};