{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://ersatztv.org/sequential-schedule.schema.json",
  "title": "Sequential Schedule",
  "description": "An ErsatzTV sequential schedule definition",
  "type": "object",
  "properties": {
    "import": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 1
    },
    "content": {
      "description": "Content definitions",
      "type": "array",
      "items": {
        "oneOf": [
          { "$ref": "#/$defs/content/showContent" },
          { "$ref": "#/$defs/content/searchContent" },
          { "$ref": "#/$defs/content/collectionContent" },
          { "$ref": "#/$defs/content/multiCollectionContent" },
          { "$ref": "#/$defs/content/smartCollectionContent" },
          { "$ref": "#/$defs/content/playlistContent" },
          { "$ref": "#/$defs/content/marathonContent" }
        ]
      },
      "minItems": 1
    },
    "sequence": {
      "description": "Sequence definitions",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "key": { "type": "string" },
          "items": {
            "type": "array",
            "items": {
              "oneOf": [
                { "$ref": "#/$defs/scheduling/allInstruction" },
                { "$ref": "#/$defs/scheduling/countInstruction" },
                { "$ref": "#/$defs/scheduling/durationInstruction" },
                { "$ref": "#/$defs/scheduling/padToNextInstruction" },
                { "$ref": "#/$defs/scheduling/padUntilInstruction" },
                { "$ref": "#/$defs/scheduling/sequenceInstruction" },
                { "$ref": "#/$defs/control/epgGroupInstruction" },
                { "$ref": "#/$defs/control/graphicsOnInstruction" },
                { "$ref": "#/$defs/control/graphicsOffInstruction" },
                { "$ref": "#/$defs/control/preRollInstruction"},
                { "$ref": "#/$defs/control/postRollInstruction"},
                { "$ref": "#/$defs/control/midRollInstruction"},
                { "$ref": "#/$defs/control/repeatInstruction" },
                { "$ref": "#/$defs/control/shuffleSequenceInstruction" },
                { "$ref": "#/$defs/control/skipItemsInstruction" },
                { "$ref": "#/$defs/control/skipToItemInstruction" },
                { "$ref": "#/$defs/control/waitUntilInstruction" },
                { "$ref": "#/$defs/control/watermarkInstruction" }
              ]
            },
            "minItems": 1
          }
        },
        "required": [ "key" ],
        "additionalProperties": false
      }
    },
    "reset": {
      "description": "Reset instructions",
      "type": "array",
      "items": {
        "oneOf": [
          { "$ref": "#/$defs/control/rewindInstruction" },
          { "$ref": "#/$defs/control/skipItemsInstruction" },
          { "$ref": "#/$defs/control/skipToItemInstruction" },
          { "$ref": "#/$defs/control/waitUntilInstruction" }
        ]
      }
    },
    "playout": {
      "description": "Playout instructions",
      "type": "array",
      "items": {
        "oneOf": [
          { "$ref": "#/$defs/scheduling/allInstruction" },
          { "$ref": "#/$defs/scheduling/countInstruction" },
          { "$ref": "#/$defs/scheduling/durationInstruction" },
          { "$ref": "#/$defs/scheduling/padToNextInstruction" },
          { "$ref": "#/$defs/scheduling/padUntilInstruction" },
          { "$ref": "#/$defs/scheduling/sequenceInstruction" },
          { "$ref": "#/$defs/control/epgGroupInstruction" },
          { "$ref": "#/$defs/control/graphicsOnInstruction" },
          { "$ref": "#/$defs/control/graphicsOffInstruction" },
          { "$ref": "#/$defs/control/preRollInstruction"},
          { "$ref": "#/$defs/control/postRollInstruction"},
          { "$ref": "#/$defs/control/midRollInstruction"},
          { "$ref": "#/$defs/control/repeatInstruction" },
          { "$ref": "#/$defs/control/shuffleSequenceInstruction" },
          { "$ref": "#/$defs/control/skipItemsInstruction" },
          { "$ref": "#/$defs/control/skipToItemInstruction" },
          { "$ref": "#/$defs/control/waitUntilInstruction" },
          { "$ref": "#/$defs/control/watermarkInstruction" }
        ]
      },
      "minItems": 1
    }
  },
  "allOf": [
    {
      "anyOf": [
        { "required": [ "import" ] },
        { "required": [ "content" ] }
      ]
    },
    { "required": [ "playout" ] }
  ],
  "additionalProperties": false,
  "$defs": {
    "enums": {
      "filler_kind": { "enum": [ "none", "preroll", "postroll", "midroll" ] }
    },
    "content": {
      "showContent": {
        "type": "object",
        "properties": {
          "show": { "type": "null" },
          "key": { "type": "string" },
          "guids": {
            "type": "array",
            "minItems": 1,
            "items": {
              "type": "object",
              "properties": {
                "source": { "type": "string" },
                "value": { "type": ["integer", "string"] }
              },
              "required": [ "source", "value" ],
              "additionalProperties": false
            }
          },
          "order": { "enum": [ "chronological", "shuffle" ] }
        },
        "required": [ "show", "key", "guids", "order" ],
        "additionalProperties": false
      },
      "searchContent": {
        "type": "object",
        "properties": {
          "search": { "type": "null" },
          "key": { "type": "string" },
          "query": { "type": "string" },
          "order": { "enum": [ "chronological", "shuffle" ] }
        },
        "required": [ "search", "key", "query", "order" ],
        "additionalProperties": false
      },
      "collectionContent": {
        "type": "object",
        "properties": {
          "collection": { "type": "string" },
          "key": { "type": "string" },
          "order": { "enum": [ "chronological", "shuffle" ] }
        },
        "required": [ "collection", "key", "order" ],
        "additionalProperties": false
      },
      "multiCollectionContent": {
        "type": "object",
        "properties": {
          "multi_collection": { "type": "string" },
          "key": { "type": "string" },
          "order": { "enum": [ "chronological", "shuffle" ] }
        },
        "required": [ "multi_collection", "key", "order" ],
        "additionalProperties": false
      },
      "smartCollectionContent": {
        "type": "object",
        "properties": {
          "smart_collection": { "type": "string" },
          "key": { "type": "string" },
          "order": { "enum": [ "chronological", "shuffle" ] }
        },
        "required": [ "smart_collection", "key", "order" ],
        "additionalProperties": false
      },
      "playlistContent": {
        "type": "object",
        "properties": {
          "playlist": { "type": "string" },
          "playlist_group": { "type": "string" },
          "key": { "type": "string" }
        },
        "required": [ "playlist", "playlist_group", "key" ],
        "additionalProperties": false
      },
      "marathonContent": {
        "type": "object",
        "properties": {
          "marathon": { "type": "null" },
          "key": { "type": "string" },
          "guids": {
            "type": "array",
            "minItems": 1,
            "items": {
              "type": "object",
              "properties": {
                "source": { "type": "string" },
                "value": { "type": ["integer", "string"] }
              },
              "required": [ "source", "value" ],
              "additionalProperties": false
            }
          },
          "searches": {
            "type": "array",
            "items": { "type": "string" }
          },
          "group_by": { "enum": [ "show", "season", "artist", "album" ] },
          "item_order": { "enum": [ "chronological", "shuffle" ] },
          "play_all_items": { "type": "boolean" },
          "shuffle_groups": { "type": "boolean" }
        },
        "required": [ "marathon", "key" ],
        "additionalProperties": false
      }
    },
    "scheduling": {
      "allInstruction": {
        "type": "object",
        "properties": {
          "all": { "type": "null" },
          "content": { "type": "string" },
          "custom_title": { "type": "string" },
          "filler_kind": { "$ref": "#/$defs/enums/filler_kind" },
          "disable_watermarks": { "type": "boolean" }
        },
        "required": [ "all", "content" ],
        "additionalProperties": false
      },
      "countInstruction": {
        "type": "object",
        "properties": {
          "count": { "type": ["integer", "string"] },
          "content": { "type": "string" },
          "custom_title": { "type": "string" },
          "filler_kind": { "$ref": "#/$defs/enums/filler_kind" },
          "disable_watermarks": { "type": "boolean" }
        },
        "required": [ "count", "content" ],
        "additionalProperties": false
      },
      "durationInstruction": {
        "type": "object",
        "properties": {
          "duration": { "type": "string" },
          "content": { "type": "string" },
          "trim": { "type": "boolean" },
          "fallback": { "type": "string" },
          "discard_attempts": { "type": "integer" },
          "offline_tail": { "type": "boolean" },
          "stop_before_end": { "type": "boolean" },
          "filler_kind": { "$ref": "#/$defs/enums/filler_kind" },
          "custom_title": { "type": "string" },
          "disable_watermarks": { "type": "boolean" }
        },
        "required": [ "duration", "content" ],
        "additionalProperties": false
      },
      "padToNextInstruction": {
        "type": "object",
        "properties": {
          "pad_to_next": { "type": "integer" },
          "content": { "type": "string" },
          "offline_tail": { "type": "boolean" },
          "trim": { "type": "boolean" },
          "fallback": { "type": "string" },
          "discard_attempts": { "type": "integer" },
          "stop_before_end": { "type": "boolean" },
          "filler_kind": { "$ref": "#/$defs/enums/filler_kind" },
          "custom_title": { "type": "string" },
          "disable_watermarks": { "type": "boolean" }
        },
        "required": [ "pad_to_next", "content" ],
        "additionalProperties": false
      },
      "padUntilInstruction": {
        "type": "object",
        "properties": {
          "pad_until": { "type": "string" },
          "content": { "type": "string" },
          "tomorrow": { "type": ["boolean", "string"] },
          "offline_tail": { "type": "boolean" },
          "trim": { "type": "boolean" },
          "fallback": { "type": "string" },
          "discard_attempts": { "type": "integer" },
          "stop_before_end": { "type": "boolean" },
          "filler_kind": { "$ref": "#/$defs/enums/filler_kind" },
          "custom_title": { "type": "string" },
          "disable_watermarks": { "type": "boolean" }
        },
        "required": [ "pad_until", "content" ],
        "additionalProperties": false
      },
      "sequenceInstruction": {
        "type": "object",
        "properties": {
          "sequence": { "type": "string" },
          "repeat": { "type": "integer" }
        },
        "required": [ "sequence" ],
        "additionalProperties": false
      }
    },
    "control": {
      "rewindInstruction": {
        "type": "object",
        "properties": {
          "rewind": { "type": "string" }
        },
        "required": [ "rewind" ],
        "additionalProperties": false
      },
      "epgGroupInstruction": {
        "type": "object",
        "properties": {
          "epg_group": { "type": "boolean" },
          "advance": { "type": "boolean" }
        },
        "required": [ "epg_group" ],
        "additionalProperties": false
      },
      "graphicsOnInstruction": {
        "type": "object",
        "properties": {
          "graphics_on": { "type": "string" },
          "variables": { "type": "object" }
        },
        "required": [ "graphics_on" ],
        "additionalProperties": false
      },
      "graphicsOffInstruction": {
        "type": "object",
        "properties": {
          "graphics_off": { "type": ["null", "string"] }
        },
        "required": [ "graphics_off" ],
        "additionalProperties": false
      },
      "preRollInstruction": {
        "type": "object",
        "properties": {
          "pre_roll": { "type": "boolean" },
          "sequence": { "type": "string" }
        },
        "required": [ "pre_roll" ],
        "additionalProperties": false
      },
      "postRollInstruction": {
        "type": "object",
        "properties": {
          "post_roll": { "type": "boolean" },
          "sequence": { "type": "string" }
        },
        "required": [ "post_roll" ],
        "additionalProperties": false
      },
      "midRollInstruction": {
        "type": "object",
        "properties": {
          "mid_roll": { "type": "boolean" },
          "sequence": { "type": "string" },
          "expression": { "type": "string" }
        },
        "required": [ "mid_roll" ],
        "additionalProperties": false
      },
      "repeatInstruction": {
        "type": "object",
        "properties": {
          "repeat": { "type": "boolean" }
        },
        "required": [ "repeat" ],
        "additionalProperties": false
      },
      "shuffleSequenceInstruction": {
        "type": "object",
        "properties": {
          "shuffle_sequence": { "type": "string" }
        },
        "required": [ "shuffle_sequence" ],
        "additionalProperties": false
      },
      "skipItemsInstruction": {
        "type": "object",
        "properties": {
          "skip_items": { "type": ["integer", "string"] },
          "content": { "type": "string" }
        },
        "required": [ "skip_items", "content" ],
        "additionalProperties": false
      },
      "skipToItemInstruction": {
        "type": "object",
        "properties": {
          "skip_to_item": { "type": "null" },
          "content": { "type": "string" },
          "season": { "type": "integer" },
          "episode": { "type": "integer" }
        },
        "required": [ "skip_to_item", "content", "season", "episode" ],
        "additionalProperties": false
      },
      "waitUntilInstruction": {
        "type": "object",
        "properties": {
          "wait_until": { "type": "string" },
          "tomorrow": { "type": "boolean" },
          "rewind_on_reset": { "type": "boolean" }
        },
        "required": [ "wait_until" ],
        "additionalProperties": false
      },
      "watermarkInstruction": {
        "type": "object",
        "properties": {
          "watermark": { "type": "boolean" },
          "name": { "type": "string" }
        },
        "required": [ "watermark" ],
        "additionalProperties": false
      }
    }
  }
}