{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://reeltone.iagocavalcante.com/skins/schema-v2.json",
  "title": "Reeltone skin manifest, formatVersion 2",
  "description": "The frozen declarative contract for Reeltone v2 shaped skins. Unknown top-level fields remain allowed for forward-compatible minor additions.",
  "type": "object",
  "required": ["formatVersion", "id", "name"],
  "properties": {
    "formatVersion": { "const": 2 },
    "id": {
      "type": "string",
      "minLength": 1,
      "pattern": "^(?!\\.{1,2}$)[^/\\\\]+$"
    },
    "name": { "type": "string", "pattern": "\\S" },
    "author": { "type": "string" },
    "version": { "type": "string" },
    "license": { "type": "string" },
    "colors": { "$ref": "#/$defs/colors" },
    "fonts": { "$ref": "#/$defs/fonts" },
    "sprites": { "$ref": "#/$defs/sprites" },
    "window": { "$ref": "#/$defs/window" },
    "regions": {
      "type": "array",
      "items": { "$ref": "#/$defs/region" }
    }
  },
  "allOf": [
    {
      "if": { "required": ["window"] },
      "then": { "required": ["regions"] }
    }
  ],
  "additionalProperties": true,
  "$defs": {
    "color": {
      "type": "string",
      "pattern": "^#[0-9A-Fa-f]{6}([0-9A-Fa-f]{2})?$"
    },
    "resourcePath": {
      "type": "string",
      "minLength": 1,
      "pattern": "^(?!/)(?!.*\\\\)(?!.*(^|/)\\.\\.(/|$)).+$"
    },
    "size": {
      "type": "array",
      "prefixItems": [
        { "type": "number", "exclusiveMinimum": 0 },
        { "type": "number", "exclusiveMinimum": 0 }
      ],
      "items": false,
      "minItems": 2,
      "maxItems": 2
    },
    "rect": {
      "type": "array",
      "prefixItems": [
        { "type": "number", "minimum": 0 },
        { "type": "number", "minimum": 0 },
        { "type": "number", "exclusiveMinimum": 0 },
        { "type": "number", "exclusiveMinimum": 0 }
      ],
      "items": false,
      "minItems": 4,
      "maxItems": 4
    },
    "art": {
      "type": "object",
      "propertyNames": {
        "enum": [
          "normal", "hover", "pressed",
          "playing", "playingHover", "playingPressed"
        ]
      },
      "additionalProperties": { "$ref": "#/$defs/resourcePath" }
    },
    "fontSource": {
      "oneOf": [
        {
          "type": "object",
          "required": ["builtin"],
          "properties": {
            "builtin": {
              "enum": [
                "DSEG14Classic-Regular",
                "DSEG7Classic-Regular",
                "Silkscreen-Regular",
                "Silkscreen-Bold"
              ]
            }
          },
          "additionalProperties": false
        },
        {
          "type": "object",
          "required": ["file", "postScriptName"],
          "properties": {
            "file": { "$ref": "#/$defs/resourcePath" },
            "postScriptName": { "type": "string", "minLength": 1 }
          },
          "additionalProperties": false
        }
      ]
    },
    "colors": {
      "type": "object",
      "properties": {
        "screen": { "$ref": "#/$defs/color" },
        "ink": { "$ref": "#/$defs/color" },
        "inkDim": { "$ref": "#/$defs/color" },
        "panel": { "$ref": "#/$defs/color" },
        "panelText": { "$ref": "#/$defs/color" }
      },
      "additionalProperties": true
    },
    "fonts": {
      "type": "object",
      "properties": {
        "display": { "$ref": "#/$defs/fontSource" },
        "digits": { "$ref": "#/$defs/fontSource" },
        "body": { "$ref": "#/$defs/fontSource" },
        "bodyBold": { "$ref": "#/$defs/fontSource" }
      },
      "additionalProperties": true
    },
    "sprite": {
      "type": "object",
      "required": ["file"],
      "properties": {
        "file": { "$ref": "#/$defs/resourcePath" },
        "capInsets": {
          "type": "array",
          "items": { "type": "number", "minimum": 0 },
          "minItems": 4,
          "maxItems": 4
        },
        "mode": { "enum": ["stretch", "tile"] }
      },
      "additionalProperties": true
    },
    "sprites": {
      "type": "object",
      "properties": {
        "reelRim": { "$ref": "#/$defs/sprite" },
        "reelSpokes": { "$ref": "#/$defs/sprite" },
        "background": { "$ref": "#/$defs/sprite" },
        "keyNormal": { "$ref": "#/$defs/sprite" },
        "keyPressed": { "$ref": "#/$defs/sprite" }
      },
      "additionalProperties": true
    },
    "window": {
      "type": "object",
      "required": ["size", "art"],
      "properties": {
        "size": { "$ref": "#/$defs/size" },
        "art": {
          "allOf": [
            { "$ref": "#/$defs/art" },
            { "required": ["normal"] }
          ]
        },
        "panels": {
          "type": "object",
          "additionalProperties": { "$ref": "#/$defs/panel" }
        }
      },
      "additionalProperties": true
    },
    "panel": {
      "type": "object",
      "required": ["size", "attach", "art"],
      "properties": {
        "size": { "$ref": "#/$defs/size" },
        "attach": { "enum": ["left", "right", "top", "bottom"] },
        "art": {
          "allOf": [
            { "$ref": "#/$defs/art" },
            { "required": ["normal"] }
          ]
        },
        "regions": {
          "type": "array",
          "items": { "$ref": "#/$defs/region" }
        },
        "visible": { "type": "boolean" }
      },
      "additionalProperties": true
    },
    "region": {
      "type": "object",
      "required": ["component", "rect"],
      "properties": {
        "component": {
          "enum": [
            "play", "pause", "playPause", "stop", "prev", "next",
            "seek", "volume", "shuffle", "repeatMode",
            "title", "elapsed", "duration", "artwork",
            "trackList", "visualiser", "equaliser", "close", "minimise",
            "togglePanel", "decoration", "library", "libraryBack"
          ]
        },
        "rect": { "$ref": "#/$defs/rect" },
        "size": { "type": "number", "exclusiveMinimum": 0 },
        "color": { "$ref": "#/$defs/color" },
        "highlightColor": { "$ref": "#/$defs/color" },
        "align": { "enum": ["left", "center", "right"] },
        "marquee": { "type": "boolean" },
        "rowHeight": { "type": "number", "exclusiveMinimum": 0 },
        "controlStyle": { "enum": ["bar", "slider", "knob"] },
        "clipShape": { "enum": ["rectangle", "ellipse"] },
        "art": { "$ref": "#/$defs/art" },
        "frames": {
          "type": "array",
          "items": { "$ref": "#/$defs/resourcePath" },
          "minItems": 1
        },
        "fps": { "type": "number", "exclusiveMinimum": 0 },
        "drivenBy": { "enum": ["playback", "always", "never"] },
        "panel": { "type": "string", "minLength": 1 }
      },
      "allOf": [
        {
          "if": { "properties": { "component": { "const": "togglePanel" } }, "required": ["component"] },
          "then": { "required": ["panel"] }
        }
      ],
      "additionalProperties": true
    }
  }
}