{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Emulator BIOS Profile",
  "description": "One YAML per emulator core or engine, documenting every external file the code loads. Field reference: https://abdess.github.io/retrobios/wiki/profiling/",
  "type": "object",
  "required": ["emulator", "type"],
  "allOf": [
    {
      "comment": "An alias profile points at another profile and carries no files of its own.",
      "if": {
        "properties": { "type": { "const": "alias" } },
        "required": ["type"]
      },
      "then": { "required": ["alias_of"] },
      "else": { "required": ["files"] }
    }
  ],
  "properties": {
    "emulator": { "type": "string" },
    "display_name": { "type": "string" },
    "type": {
      "description": "Operational: resolve_platform_cores() filters on it. Not a classification.",
      "type": "string",
      "enum": [
        "libretro",
        "standalone",
        "standalone + libretro",
        "alias",
        "launcher",
        "game",
        "utility",
        "test"
      ]
    },
    "core_classification": {
      "description": "Descriptive only, no effect on tooling.",
      "type": "string",
      "enum": [
        "pure_libretro",
        "official_port",
        "community_fork",
        "frozen_snapshot",
        "enhanced_fork",
        "game_engine",
        "embedded_hle",
        "launcher",
        "alias",
        "other"
      ]
    },
    "source": { "type": ["string", "object"] },
    "upstream": { "type": ["string", "object", "null"] },
    "source_commit": { "type": "string" },
    "upstream_commit": { "type": "string" },
    "profiled_date": {
      "description": "Quote it: an unquoted YAML date parses to a date object.",
      "type": ["string", "object"]
    },
    "core_version": { "type": ["string", "number", "object", "null"] },
    "alias_of": { "type": "string" },
    "cores": {
      "description": "Upstream names the core is known by. A dict maps each name to per-variant metadata.",
      "type": ["array", "object"]
    },
    "systems": { "type": "array", "items": { "type": "string" } },
    "mode": { "type": "string", "enum": ["standalone", "libretro", "both"] },
    "verification": { "type": "string", "enum": ["existence", "md5", "sha1", "crc32"] },
    "exclusion_note": { "type": "string" },
    "notes": { "type": ["string", "array", "object"] },
    "files": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name"],
        "properties": {
          "name": { "type": "string" },
          "required": { "type": "boolean" },
          "system": { "type": "string" },
          "path": { "type": ["string", "null"] },
          "destination": { "type": "string" },
          "aliases": { "type": "array", "items": { "type": "string" } },
          "archive": {
            "description": "ROM set the file lives in, for arcade entries.",
            "type": "string"
          },
          "category": {
            "type": "string",
            "enum": ["bios", "game_data", "bios_zip"]
          },
          "mode": { "type": "string", "enum": ["standalone", "libretro", "both"] },
          "storage": {
            "type": "string",
            "enum": ["embedded", "external", "user_provided", "large_file", "release"]
          },
          "hle_fallback": { "type": "boolean" },
          "agnostic": { "type": "boolean" },
          "size": { "type": ["integer", "array", "null"] },
          "min_size": { "type": "integer" },
          "max_size": { "type": "integer" },
          "md5": {
            "oneOf": [
              { "type": "null" },
              { "type": "string", "pattern": "^[a-fA-F0-9]{32}$" },
              {
                "type": "array",
                "items": { "type": "string", "pattern": "^[a-fA-F0-9]{32}$" }
              }
            ]
          },
          "sha1": {
            "oneOf": [
              { "type": "string", "pattern": "^[a-fA-F0-9]{40}$" },
              {
                "type": "array",
                "items": { "type": "string", "pattern": "^[a-fA-F0-9]{40}$" }
              }
            ]
          },
          "sha256": {
            "type": "string",
            "pattern": "^[a-fA-F0-9]{64}(,[a-fA-F0-9]{64})*$"
          },
          "crc32": { "type": "string" },
          "known_hash_adler32": { "type": ["string", "integer"] },
          "validation": {
            "description": "Checks the code performs. A dict splits core from upstream when they diverge.",
            "oneOf": [
              { "type": "array", "items": { "type": "string" } },
              { "type": "object" }
            ]
          },
          "region": { "type": ["string", "array"] },
          "contents": { "type": "array", "items": { "type": "object" } },
          "source_ref": {
            "description": "A dict splits core from upstream when the two diverge.",
            "type": ["string", "array", "object"]
          },
          "description": { "type": "string" },
          "note": { "type": "string" },
          "unsourceable": { "type": "string" }
        }
      }
    }
  }
}