{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "$id": "https://github.com/Bobikobi/GAME/schema/json/treasure.schema.json",
  "type": "object",
  "required": [
    "format",
    "id",
    "title",
    "creator",
    "type"
  ],
  "properties": {
    "$schema": {
      "type": "string"
    },
    "format": {
      "description": "Format version of this file.",
      "const": 1,
      "type": "number"
    },
    "id": {
      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
      "maxLength": 80,
      "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
      "type": "string"
    },
    "title": {
      "minLength": 1,
      "maxLength": 40,
      "type": "string"
    },
    "creator": {
      "pattern": "^[a-z0-9_-]+$",
      "maxLength": 39,
      "description": "GitHub handle, lowercase.",
      "type": "string"
    },
    "description": {
      "minLength": 1,
      "maxLength": 240,
      "type": "string"
    },
    "ai_tools": {
      "maxItems": 8,
      "description": "AI tools used to make this file or its art. Required when any were used.",
      "type": "array",
      "items": {
        "minLength": 1,
        "maxLength": 60,
        "type": "string"
      }
    },
    "items": {
      "maxItems": 40,
      "type": "array",
      "items": {
        "additionalProperties": false,
        "type": "object",
        "required": [
          "id",
          "name",
          "kind",
          "rarity",
          "sprite",
          "weight"
        ],
        "properties": {
          "id": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
            "maxLength": 80,
            "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
            "type": "string"
          },
          "name": {
            "minLength": 1,
            "maxLength": 40,
            "type": "string"
          },
          "description": {
            "minLength": 1,
            "maxLength": 240,
            "type": "string"
          },
          "kind": {
            "anyOf": [
              {
                "const": "material",
                "type": "string"
              },
              {
                "const": "food",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "fragment",
                "type": "string"
              },
              {
                "const": "treasure",
                "type": "string"
              }
            ]
          },
          "rarity": {
            "description": "Declared rarity. The check compares it with the rarity computed from the data.",
            "anyOf": [
              {
                "const": "common",
                "type": "string"
              },
              {
                "const": "uncommon",
                "type": "string"
              },
              {
                "const": "rare",
                "type": "string"
              },
              {
                "const": "legendary",
                "type": "string"
              }
            ]
          },
          "class": {
            "description": "A base class (plant, wood, fibre, ...) or the id of a class an extension declares under one of them.",
            "anyOf": [
              {
                "const": "plant",
                "type": "string"
              },
              {
                "const": "wood",
                "type": "string"
              },
              {
                "const": "fibre",
                "type": "string"
              },
              {
                "const": "stone",
                "type": "string"
              },
              {
                "const": "clay",
                "type": "string"
              },
              {
                "const": "mineral",
                "type": "string"
              },
              {
                "const": "metal",
                "type": "string"
              },
              {
                "const": "animal",
                "type": "string"
              },
              {
                "const": "meal",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "garment",
                "type": "string"
              },
              {
                "const": "jewelry",
                "type": "string"
              },
              {
                "const": "relic",
                "type": "string"
              },
              {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              }
            ]
          },
          "family": {
            "pattern": "^[a-z0-9_-]+$",
            "maxLength": 24,
            "description": "A group inside the class, for example \"berry\" for every berry. Open: any lowercase word.",
            "type": "string"
          },
          "tags": {
            "maxItems": 8,
            "uniqueItems": true,
            "description": "Open words that describe it, for example \"sweet\" or \"night\".",
            "type": "array",
            "items": {
              "pattern": "^[a-z0-9_-]+$",
              "maxLength": 24,
              "description": "A lowercase word.",
              "type": "string"
            }
          },
          "tier": {
            "minimum": 1,
            "maximum": 20,
            "description": "How advanced it is, from 1. The rarity says how often it appears; the tier says how far up the ladder it is. A tool has the tier of its \"tool\".",
            "type": "integer"
          },
          "sprite": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+:[a-z0-9_/-]+$",
            "maxLength": 120,
            "description": "A frame of an art kit: \"<kit id>:<frame name>\", for example \"core/base-kit:items/berry\".",
            "type": "string"
          },
          "weight": {
            "minimum": 0,
            "maximum": 20,
            "description": "How heavy one unit is (DECISIONS.md, 2026-10-23): 0 for herbs, seeds and coins, 1 for most things, 3 for logs, stone and ore. The load against the weight limit sets the walking pace.",
            "type": "integer"
          },
          "food": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "satiety"
            ],
            "properties": {
              "satiety": {
                "minimum": 0,
                "maximum": 100,
                "description": "Health points restored when eaten (the meter holds 100 at the start). 0 for a food that only hurts.",
                "type": "integer"
              },
              "hurt": {
                "minimum": 1,
                "maximum": 100,
                "description": "Health points it takes when eaten, at any hour: a bad fruit or a raw herb (G30).",
                "type": "integer"
              }
            }
          },
          "tool": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "kind",
              "tier"
            ],
            "properties": {
              "kind": {
                "anyOf": [
                  {
                    "const": "basket",
                    "type": "string"
                  },
                  {
                    "const": "trowel",
                    "type": "string"
                  },
                  {
                    "const": "axe",
                    "type": "string"
                  },
                  {
                    "const": "staff",
                    "type": "string"
                  },
                  {
                    "const": "hammer",
                    "type": "string"
                  },
                  {
                    "const": "pick",
                    "type": "string"
                  },
                  {
                    "const": "rod",
                    "type": "string"
                  }
                ]
              },
              "tier": {
                "minimum": 1,
                "maximum": 5,
                "description": "Better tools work faster. The calculator clamps the total.",
                "type": "integer"
              },
              "uses": {
                "minimum": 1,
                "maximum": 1000,
                "description": "The tool wears out after this many uses. Left out, the tool lasts (DECISIONS.md, 2026-10-09: the crafting economy).",
                "type": "integer"
              }
            }
          },
          "fragment": {
            "additionalProperties": false,
            "description": "A found scrap that teaches a recipe.",
            "type": "object",
            "required": [
              "unlocks"
            ],
            "properties": {
              "unlocks": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              }
            }
          },
          "wear": {
            "additionalProperties": false,
            "description": "Something the character wears (DECISIONS.md, 2026-10-09: the upgrade). A worn item stays in the bag; it takes no place there, but its weight counts (2026-10-23).",
            "type": "object",
            "required": [
              "slot"
            ],
            "properties": {
              "slot": {
                "description": "Where it is worn: head, top, legs (trousers), outfit (takes the top and the legs), feet, jewelry (two places), hand (a tool) or back (one bag or one quiver).",
                "anyOf": [
                  {
                    "const": "head",
                    "type": "string"
                  },
                  {
                    "const": "top",
                    "type": "string"
                  },
                  {
                    "const": "legs",
                    "type": "string"
                  },
                  {
                    "const": "outfit",
                    "type": "string"
                  },
                  {
                    "const": "feet",
                    "type": "string"
                  },
                  {
                    "const": "jewelry",
                    "type": "string"
                  },
                  {
                    "const": "hand",
                    "type": "string"
                  },
                  {
                    "const": "back",
                    "type": "string"
                  }
                ]
              },
              "look": {
                "description": "A look: worn on the look layer over the work clothes. It shows and counts for nothing, so it has no effects and no set.",
                "type": "boolean"
              },
              "effects": {
                "minItems": 1,
                "maxItems": 2,
                "description": "Small bonuses while it is worn on the work layer. Two at most, each effect once.",
                "type": "array",
                "items": {
                  "additionalProperties": false,
                  "type": "object",
                  "required": [
                    "effect",
                    "value"
                  ],
                  "properties": {
                    "effect": {
                      "description": "What a worn item helps: gathering, digging or crafting speed, the craft chance, or rare finds.",
                      "anyOf": [
                        {
                          "const": "gather_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "dig_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "craft_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "craft_chance_pct",
                          "type": "string"
                        },
                        {
                          "const": "rare_find_pct",
                          "type": "string"
                        }
                      ]
                    },
                    "value": {
                      "minimum": 1,
                      "maximum": 100,
                      "description": "Percent, at most the cap of the item's tier (params.wear_effect_max_pct).",
                      "type": "integer"
                    }
                  }
                }
              },
              "set": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "A set of one creator: when every piece of it is worn, their effects grow by params.wear_set_bonus_pct.",
                "type": "string"
              },
              "places": {
                "minimum": 1,
                "maximum": 99,
                "description": "A bag on the back: the places it gives, instead of the hands' `bag_base`. Only a work piece on the back carries it (DECISIONS.md, 2026-10-23).",
                "type": "integer"
              },
              "load_bonus": {
                "minimum": 1,
                "maximum": 100,
                "description": "A bag on the back that moves the load to the hips: what it adds to the weight limit (`load.base` + might). Needs `places`.",
                "type": "integer"
              }
            }
          },
          "grade": {
            "additionalProperties": false,
            "description": "A finer grade of another item: the same good off a better animal. A stack splits by grade the way it splits by tier, so each grade is an item of its own; it keeps the plain item's class, kind, tier and value, and a recipe asks for it with \"min_grade\".",
            "type": "object",
            "required": [
              "of",
              "step"
            ],
            "properties": {
              "of": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              },
              "step": {
                "minimum": 2,
                "maximum": 3,
                "description": "2 is fine, 3 is true. A grade is read as a pose on the screen, never as a number (HUNTING section 5).",
                "type": "integer"
              }
            }
          },
          "premium_later": {
            "description": "Marks a look that may also be sold for premium currency once stage 6 brings it. Only a look item with no effect may carry it, and it stays obtainable in the game (DECISIONS.md, 2026-10-09).",
            "type": "boolean"
          }
        }
      }
    },
    "classes": {
      "maxItems": 10,
      "description": "Classes of your own, each under one base class.",
      "type": "array",
      "items": {
        "additionalProperties": false,
        "description": "A class of your own, declared under one base class. Every rule written for the base class holds for it.",
        "type": "object",
        "required": [
          "id",
          "name",
          "base"
        ],
        "properties": {
          "id": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
            "maxLength": 80,
            "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
            "type": "string"
          },
          "name": {
            "minLength": 1,
            "maxLength": 40,
            "type": "string"
          },
          "base": {
            "description": "plant (leaves, herbs, berries, fruit, roots, mushrooms), wood, fibre (reeds, grass, thread, cloth), stone, clay (clay, sand, pottery, brick), mineral (crystals, gems, salt, ore), metal (waits for its discovery), animal (feathers, wool, hide, bone), meal (cooked food), tool, garment (worn clothes), jewelry, relic (old things from the ruins).",
            "anyOf": [
              {
                "const": "plant",
                "type": "string"
              },
              {
                "const": "wood",
                "type": "string"
              },
              {
                "const": "fibre",
                "type": "string"
              },
              {
                "const": "stone",
                "type": "string"
              },
              {
                "const": "clay",
                "type": "string"
              },
              {
                "const": "mineral",
                "type": "string"
              },
              {
                "const": "metal",
                "type": "string"
              },
              {
                "const": "animal",
                "type": "string"
              },
              {
                "const": "meal",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "garment",
                "type": "string"
              },
              {
                "const": "jewelry",
                "type": "string"
              },
              {
                "const": "relic",
                "type": "string"
              }
            ]
          },
          "description": {
            "minLength": 1,
            "maxLength": 240,
            "type": "string"
          }
        }
      }
    },
    "type": {
      "const": "treasure",
      "type": "string"
    },
    "dig": {
      "additionalProperties": false,
      "type": "object",
      "required": [
        "hint",
        "active_ms",
        "respawn_ms",
        "count",
        "level",
        "finds",
        "place"
      ],
      "properties": {
        "hint": {
          "minLength": 1,
          "maxLength": 240,
          "type": "string"
        },
        "active_ms": {
          "minimum": 0,
          "maximum": 3600000,
          "description": "Time the player is busy digging once.",
          "type": "integer"
        },
        "respawn_ms": {
          "minimum": 0,
          "maximum": 3600000,
          "description": "Time before the spot can be dug again.",
          "type": "integer"
        },
        "count": {
          "minimum": 1,
          "maximum": 8,
          "type": "integer"
        },
        "tool": {
          "anyOf": [
            {
              "const": "basket",
              "type": "string"
            },
            {
              "const": "trowel",
              "type": "string"
            },
            {
              "const": "axe",
              "type": "string"
            },
            {
              "const": "staff",
              "type": "string"
            },
            {
              "const": "hammer",
              "type": "string"
            },
            {
              "const": "pick",
              "type": "string"
            },
            {
              "const": "rod",
              "type": "string"
            }
          ],
          "description": "The tool the dig asks for and wears. Left out: the find is picked up by hand, with no timing window and no tool worn."
        },
        "level": {
          "minimum": 1,
          "maximum": 20,
          "description": "Digging level required.",
          "type": "integer"
        },
        "finds": {
          "minItems": 1,
          "maxItems": 8,
          "type": "array",
          "items": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "item",
              "chance_pct",
              "share_pct"
            ],
            "properties": {
              "item": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              },
              "chance_pct": {
                "minimum": 1,
                "maximum": 100,
                "description": "Chance of this find per dig, at perfect timing. Chances of one spot sum to at most 100.",
                "type": "integer"
              },
              "share_pct": {
                "minimum": 1,
                "maximum": 100,
                "description": "Part of the dig cost this find carries. Shares sum to 100.",
                "type": "integer"
              }
            }
          }
        },
        "place": {
          "additionalProperties": false,
          "description": "An empty slot from the ruins map. Only one extension is active per slot.",
          "type": "object",
          "required": [
            "slot"
          ],
          "properties": {
            "slot": {
              "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
              "maxLength": 80,
              "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
              "type": "string"
            }
          }
        },
        "pocket": {
          "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
          "maxLength": 80,
          "description": "A wake pocket's own spot: only a character who woke in this pocket sees it and digs it, once, and it always gives its one find. A gift of the start, so it prices nothing (it is no source in the value table).",
          "type": "string"
        }
      }
    },
    "search": {
      "additionalProperties": false,
      "description": "A searchable: a table of rows drawn once a day. It takes no tool and has no timing window. A treasure file carries `search` or `dig`, never both.",
      "type": "object",
      "required": [
        "rows",
        "place"
      ],
      "properties": {
        "rows": {
          "minItems": 1,
          "maxItems": 8,
          "type": "array",
          "items": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "item",
              "chance_pct"
            ],
            "properties": {
              "item": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              },
              "chance_pct": {
                "minimum": 1,
                "maximum": 100,
                "description": "Chance of this row being inside after a refill. Each row is drawn on its own; a rare or legendary row is tilted by luck like a dig's rare find.",
                "type": "integer"
              }
            }
          }
        },
        "place": {
          "additionalProperties": false,
          "description": "The map prop (its `id`) that can be searched: pressing A beside it opens a window of what is inside. Nothing is put into it; it refills once a day at dawn (docs/design/SEARCH.md).",
          "type": "object",
          "required": [
            "prop"
          ],
          "properties": {
            "prop": {
              "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
              "maxLength": 80,
              "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
              "type": "string"
            }
          }
        }
      }
    }
  }
}