{
	"$schema": "http://json-schema.org/draft-07/schema#",
	"$id":     "schema/games.json",

	"title": "Root",
	"type":  "object",

	"required": [ "games" ],

	"properties": {
		"games": {
			"title": "Game list",
			"type":  "array",

			"minItems":    1,
			"uniqueItems": true,

			"items": {
				"title": "Game entry object",
				"type":  "object",

				"required": [
					"specifications",
					"code",
					"regions",
					"name",
					"year",
					"identifiers"
				],
				"additionalProperties": false,

				"properties": {
					"specifications": {
						"title":       "Game specification list",
						"description": "List of known specification codes used by this game (GX, GE, GN and so on).",
						"type":        "array",

						"items": {
							"title": "Game specification",
							"type":  "string",

							"pattern": "^G[BCEKLNQUX]$",
							"default": "GX"
						}
					},
					"code": {
						"title":       "Game code",
						"description": "The 3-digit code that uniquely identifies this game (700-999 or A00-A99 ~ D00-D99).",
						"type":        "string",

						"pattern": "^[0-9A-D][0-9][0-9]$",
						"default": "700"
					},
					"regions": {
						"title":       "Game region and version list",
						"description": "List of known region and version codes used by this game. If different versions of the game have different names, specifications or hardware, each variant should be a separate entry in the game list with the same code.",
						"type":        "array",

						"items": {
							"title": "Game region and version",
							"type":  "string",

							"pattern": "^[AEJKSU][A-FR-WX-Z]([A-D]|Z[0-9][0-9])?$",
							"default": "JAA"
						}
					},
					"name": {
						"title":       "Game name",
						"description": "The full name of this game. Must contain ASCII characters only.",
						"type":        "string",

						"pattern": "^[ -~]+$"
					},
					"series": {
						"title":       "Series name",
						"description": "The full name of the series this game belongs to, if any. Must contain ASCII characters only. Games that belong to the same series will be grouped together.",
						"type":        "string",

						"pattern": "^[ -~]+$"
					},
					"year": {
						"title":       "Year",
						"description": "The year this game came out in.",
						"type":        "integer",

						"minimum": 1997,
						"maximum": 2004,
						"default": 2000
					},
					"identifiers": {
						"title":       "MAME game identifier list",
						"description": "The names used by MAME to identify this game, one for each region/version listed in the regions field. Use an empty string for versions not currently emulated by MAME.",
						"type":        "array",

						"items": {
							"title": "MAME game identifier",
							"type":  "string",

							"pattern": "^[0-9a-z_]*$"
						}
					},

					"ioBoard": {
						"title":       "I/O board PCB type",
						"description": "The I/O expansion board required by this game. Omit if the game does not need any.",
						"type":        "string",

						"enum": [
							"GX700-PWB(F)",
							"GX700-PWB(K)",
							"GE765-PWB(B)A",
							"GX894-PWB(B)A",
							"GX921-PWB(B)",
							"PWB0000073070"
						]
					},
					"bootloaderVersion": {
						"title":       "Bemani bootloader version",
						"description": "Version number of the Bemani bootloader used by this game. Omit if the game has no bootloader.",
						"type":        "string",

						"pattern": "^1\\.[0-9]+$",
						"default": "1.0"
					},

					"rtcHeader": {
						"title":       "RTC RAM header",
						"description": "Object describing the header written by the game to the first 32 bytes of RTC RAM. Omit if the game does not write a header to RTC RAM.",
						"$ref":        "header.json"
					},
					"flashHeader": {
						"title":       "Internal flash header",
						"description": "Object describing the header written by the game to the first 32 bytes of the internal flash memory. Omit if the game does not write a header to the flash.",
						"$ref":        "header.json"
					},
					"installCartridge": {
						"title":       "Installation cartridge",
						"description": "Object describing the game's installation security cartridge. Omit if the game needs no such cartridge.",
						"$ref":        "cart.json"
					},
					"gameCartridge": {
						"title":       "Game cartridge",
						"description": "Object describing the game's main security cartridge. Omit if the game needs no such cartridge.",
						"$ref":        "cart.json"
					}
				}
			}
		}
	}
}