{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "troika-system",
    "title": "Troika! RPG System",
    "description": "Complete schema for the Troika! RPG system including all game elements",
    "type": "object",
    "properties": {
        "version": {
            "type": "string",
            "description": "Schema version"
        },
        "metadata": {
            "$ref": "troika-system#/definitions/systemMetadata",
            "description": "System metadata and information"
        },
        "characters": {
            "type": "array",
            "items": {
                "$ref": "troika-character"
            },
            "description": "Player characters"
        },
        "backgrounds": {
            "type": "array",
            "items": {
                "$ref": "troika-background"
            },
            "description": "Character backgrounds"
        },
        "spells": {
            "type": "array",
            "items": {
                "$ref": "troika-spell"
            },
            "description": "Spell library"
        },
        "skills": {
            "type": "array",
            "items": {
                "$ref": "troika-skill"
            },
            "description": "Skill definitions"
        },
        "items": {
            "type": "array",
            "items": {
                "$ref": "troika-item"
            },
            "description": "Equipment and items"
        },
        "enemies": {
            "type": "array",
            "items": {
                "$ref": "troika-enemy"
            },
            "description": "Bestiary and NPCs"
        },
        "tables": {
            "type": "array",
            "items": {
                "$ref": "troika-table"
            },
            "description": "Game tables including Oops!, damage, and random tables"
        },
        "campaign": {
            "$ref": "troika-system#/definitions/campaignData",
            "description": "Campaign-specific data and settings"
        },
        "rules": {
            "$ref": "troika-system#/definitions/rulesReference",
            "description": "Core rules and mechanics reference"
        },
        "initiativeSystem": {
            "$ref": "troika-system#/definitions/initiativeSystem",
            "description": "Initiative system configuration and rules"
        },
        "optionalRules": {
            "$ref": "troika-system#/definitions/optionalRules",
            "description": "Optional rule variants and house rules"
        },
        "@context": {
            "type": [
                "string",
                "object",
                "array"
            ],
            "description": "JSON-LD context reference or inline context object"
        },
        "@id": {
            "type": "string",
            "description": "JSON-LD unique resource identifier URI"
        },
        "@type": {
            "type": [
                "string",
                "array"
            ],
            "description": "JSON-LD semantic resource type"
        }
    },
    "required": [
        "version"
    ],
    "definitions": {
        "systemMetadata": {
            "type": "object",
            "properties": {
                "title": {
                    "type": "string",
                    "default": "Troika! RPG",
                    "description": "System title"
                },
                "description": {
                    "type": "string",
                    "description": "System description"
                },
                "publisher": {
                    "type": "string",
                    "default": "Melsonian Arts Council",
                    "description": "System publisher"
                },
                "version": {
                    "type": "string",
                    "description": "System version"
                },
                "sources": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "title": {
                                "type": "string"
                            },
                            "type": {
                                "type": "string",
                                "enum": [
                                    "core",
                                    "supplement",
                                    "adventure",
                                    "setting"
                                ]
                            },
                            "isbn": {
                                "type": "string"
                            },
                            "year": {
                                "type": "integer"
                            }
                        },
                        "required": [
                            "title",
                            "type"
                        ]
                    },
                    "description": "Source books and supplements"
                },
                "tags": {
                    "type": "array",
                    "items": {
                        "type": "string"
                    },
                    "description": "System tags"
                },
                "lastUpdated": {
                    "type": "string",
                    "format": "date-time",
                    "description": "Last update timestamp"
                }
            },
            "required": [
                "title",
                "publisher"
            ]
        },
        "campaignData": {
            "type": "object",
            "properties": {
                "name": {
                    "type": "string",
                    "description": "Campaign name"
                },
                "description": {
                    "type": "string",
                    "description": "Campaign description"
                },
                "gm": {
                    "type": "string",
                    "description": "Game Master name"
                },
                "players": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "name": {
                                "type": "string"
                            },
                            "characterId": {
                                "type": "string"
                            },
                            "notes": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "name"
                        ]
                    },
                    "description": "Player information"
                },
                "session": {
                    "type": "object",
                    "properties": {
                        "current": {
                            "type": "integer",
                            "minimum": 1
                        },
                        "total": {
                            "type": "integer",
                            "minimum": 0
                        },
                        "lastPlayed": {
                            "type": "string",
                            "format": "date"
                        },
                        "notes": {
                            "type": "array",
                            "items": {
                                "type": "string"
                            }
                        }
                    },
                    "description": "Session tracking"
                },
                "setting": {
                    "type": "object",
                    "properties": {
                        "name": {
                            "type": "string"
                        },
                        "description": {
                            "type": "string"
                        },
                        "locations": {
                            "type": "array",
                            "items": {
                                "type": "object",
                                "properties": {
                                    "name": {
                                        "type": "string"
                                    },
                                    "description": {
                                        "type": "string"
                                    },
                                    "type": {
                                        "type": "string",
                                        "enum": [
                                            "city",
                                            "dungeon",
                                            "wilderness",
                                            "sphere",
                                            "other"
                                        ]
                                    },
                                    "connections": {
                                        "type": "array",
                                        "items": {
                                            "type": "string"
                                        }
                                    }
                                },
                                "required": [
                                    "name"
                                ]
                            }
                        }
                    },
                    "description": "Campaign setting information"
                },
                "house_rules": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "title": {
                                "type": "string"
                            },
                            "description": {
                                "type": "string"
                            },
                            "category": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "title",
                            "description"
                        ]
                    },
                    "description": "Campaign-specific house rules"
                }
            }
        },
        "rulesReference": {
            "type": "object",
            "properties": {
                "coreRules": {
                    "type": "object",
                    "properties": {
                        "attributeGeneration": {
                            "type": "object",
                            "properties": {
                                "skill": {
                                    "type": "string",
                                    "default": "1d3+3"
                                },
                                "stamina": {
                                    "type": "string",
                                    "default": "2d6+12"
                                },
                                "luck": {
                                    "type": "string",
                                    "default": "1d6+6"
                                }
                            }
                        },
                        "testMechanics": {
                            "type": "object",
                            "properties": {
                                "basicTest": {
                                    "type": "string",
                                    "default": "2d6 \u2264 Skill+Rank"
                                },
                                "opposedTest": {
                                    "type": "string",
                                    "default": "Higher total wins"
                                },
                                "luckTest": {
                                    "type": "string",
                                    "default": "2d6 \u2264 Current Luck"
                                }
                            }
                        },
                        "combat": {
                            "type": "object",
                            "properties": {
                                "initiative": {
                                    "type": "string",
                                    "default": "Stack-based, add tokens equal to Initiative"
                                },
                                "damage": {
                                    "type": "string",
                                    "default": "Roll 2d6, consult damage table"
                                },
                                "armor": {
                                    "type": "string",
                                    "default": "Reduces damage after rolling"
                                }
                            }
                        },
                        "advancement": {
                            "type": "object",
                            "properties": {
                                "skillImprovement": {
                                    "type": "string",
                                    "default": "Test at end of session, improve on 2d6 > current rank"
                                },
                                "stamina": {
                                    "type": "string",
                                    "default": "No improvement"
                                },
                                "luck": {
                                    "type": "string",
                                    "default": "Resets to maximum each session"
                                }
                            }
                        }
                    }
                },
                "optionalRules": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "name": {
                                "type": "string"
                            },
                            "description": {
                                "type": "string"
                            },
                            "mechanic": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "name",
                            "description"
                        ]
                    },
                    "description": "Optional and variant rules"
                },
                "damageMatrices": {
                    "type": "object",
                    "patternProperties": {
                        ".*": {
                            "type": "object",
                            "properties": {
                                "1": {
                                    "type": "integer"
                                },
                                "2": {
                                    "type": "integer"
                                },
                                "3": {
                                    "type": "integer"
                                },
                                "4": {
                                    "type": "integer"
                                },
                                "5": {
                                    "type": "integer"
                                },
                                "6": {
                                    "type": "integer"
                                },
                                "7+": {
                                    "type": "integer"
                                }
                            },
                            "required": [
                                "1",
                                "2",
                                "3",
                                "4",
                                "5",
                                "6",
                                "7+"
                            ]
                        }
                    },
                    "description": "Standard damage matrices for different weapon types"
                },
                "conditions": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "properties": {
                            "name": {
                                "type": "string"
                            },
                            "description": {
                                "type": "string"
                            },
                            "mechanics": {
                                "type": "string"
                            },
                            "duration": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "name",
                            "description"
                        ]
                    },
                    "description": "Standard conditions and status effects"
                }
            }
        },
        "initiativeSystem": {
            "type": "object",
            "properties": {
                "tokenBased": {
                    "type": "boolean",
                    "default": true,
                    "description": "Whether initiative uses token-based system"
                },
                "characterTokens": {
                    "type": "integer",
                    "default": 2,
                    "description": "Number of tokens each character contributes"
                },
                "henchmanTokens": {
                    "type": "integer",
                    "default": 1,
                    "description": "Number of tokens each henchman contributes"
                },
                "endOfRoundToken": {
                    "type": "boolean",
                    "default": true,
                    "description": "Whether to include End of Round token"
                },
                "enemyInitiativeLimit": {
                    "type": "boolean",
                    "default": false,
                    "description": "Whether to limit enemy initiative tokens to double character tokens"
                }
            }
        },
        "optionalRules": {
            "type": "object",
            "properties": {
                "luckVsDeath": {
                    "type": "boolean",
                    "default": false,
                    "description": "Allow characters to Test Luck to avoid death"
                },
                "enemyInitiativeLimit": {
                    "type": "boolean",
                    "default": false,
                    "description": "Limit enemy initiative tokens to prevent overwhelming players"
                }
            }
        }
    }
}