{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://coc-rpg/schemas/origin.schema.json",
  "title": "Origin Seed",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version", "id", "display_name", "description",
    "start_location_id", "situation", "opening_facts",
    "disposition_overrides", "inventory_grants", "start_quest_id",
    "build_constraints"
  ],
  "properties": {
    "schema_version": { "type": "integer", "const": 1 },
    "id": { "type": "string", "pattern": "^[a-z0-9_]+$" },
    "display_name": { "type": "string", "minLength": 1 },
    "description": { "type": "string", "minLength": 1 },
    "start_location_id": { "type": "string", "pattern": "^[a-z0-9_]+$" },
    "situation": { "type": "array", "items": { "type": "string", "minLength": 1 } },
    "opening_facts": { "type": "array", "items": { "type": "string", "minLength": 1 } },
    "disposition_overrides": {
      "type": "object",
      "propertyNames": { "pattern": "^[a-z0-9_]+$" },
      "additionalProperties": { "type": "integer", "minimum": -100, "maximum": 100 }
    },
    "inventory_grants": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["item_id", "qty"],
        "properties": {
          "item_id": { "type": "string", "pattern": "^[a-z0-9_]+$" },
          "qty": { "type": "integer", "minimum": 1 }
        }
      }
    },
    "start_quest_id": { "type": ["string", "null"], "pattern": "^[a-z0-9_]+$" },
    "build_constraints": {
      "type": "object",
      "additionalProperties": false,
      "required": ["allowed_callings", "luck_modifier"],
      "properties": {
        "allowed_callings": {
          "type": "array",
          "minItems": 1,
          "items": {
            "enum": ["sellsword", "reaver", "cutpurse", "trapper",
                     "hedge_mage", "bonesetter", "bloodsworn"]
          }
        },
        "luck_modifier": { "type": "integer" }
      }
    }
  }
}