{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:akari-video:schema:generation-meta:v1",
  "title": "AKARI Video generation sidecar meta.json v1",
  "description": "素材ライブラリの asset-meta.schema.json（assets/ 工房の meta.json）とは別物。こちらは <元ファイル名>.meta.json の生成サイドカー。",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "kind", "status", "model", "inputs", "output", "cost", "job", "provenance", "history"],
  "properties": {
    "frame": {
      "type": "object", "additionalProperties": false, "required": ["version", "content"],
      "properties": {
        "version": { "const": 0 },
        "content": {
          "type": "object", "additionalProperties": false, "required": ["kind"],
          "allOf": [{ "if": { "properties": { "kind": { "enum": ["scribble", "scene3d"] } }, "required": ["kind"] }, "then": { "required": ["scene"] } }],
          "properties": {
            "kind": { "enum": ["text", "scribble", "scene3d"] },
            "scene": {
              "type": "object", "additionalProperties": false, "required": ["path", "id"],
              "properties": { "path": { "type": "string", "minLength": 1 }, "id": { "type": "string", "minLength": 1 } }
            },
            "excerpt": { "type": ["string", "null"] },
            "keep": { "type": "boolean" }
          }
        },
        "rendered": {
          "type": "object", "additionalProperties": false, "required": ["scene_sha256", "at", "renderer", "outputs"],
          "properties": {
            "scene_sha256": { "type": "string", "pattern": "^[a-fA-F0-9]{64}$" },
            "at": { "type": "string", "format": "date-time" },
            "renderer": { "type": "string", "minLength": 1 },
            "outputs": {
              "type": "array", "items": {
                "type": "object", "additionalProperties": false, "required": ["role", "path", "sha256"],
                "properties": {
                  "role": { "enum": ["still", "still_annotated", "first", "last", "reference_video"] },
                  "path": { "type": "string", "minLength": 1 },
                  "sha256": { "type": "string", "pattern": "^[a-fA-F0-9]{64}$" },
                  "duration_s": { "type": "number", "exclusiveMinimum": 0 },
                  "fps": { "type": "number", "exclusiveMinimum": 0 }
                }
              }
            }
          }
        }
      }
    },
    "next": { "$ref": "#/$defs/next" },
    "placeholder": { "$ref": "#/$defs/placeholder" },
    "version": { "const": 1 },
    "kind": { "enum": ["still", "video", "frames", "audio"] },
    "status": { "enum": ["planned", "generating", "done", "failed"] },
    "model": { "$ref": "#/$defs/model" },
    "inputs": { "$ref": "#/$defs/inputs" },
    "output": { "$ref": "#/$defs/output" },
    "cost": { "$ref": "#/$defs/cost" },
    "job": { "$ref": "#/$defs/job" },
    "provenance": { "$ref": "#/$defs/provenance" },
    "result": { "$ref": "#/$defs/result" },
    "history": {
      "type": "array",
      "items": { "$ref": "#/$defs/historyEntry" }
    }
  },
  "allOf": [
    {
      "if": { "properties": { "status": { "const": "generating" } }, "required": ["status"] },
      "then": { "properties": { "job": { "required": ["request_id"] } } }
    },
    {
      "if": { "properties": { "status": { "const": "done" } }, "required": ["status"] },
      "then": { "required": ["result"] }
    }
  ],
  "$defs": {
    "next": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "kind",
        "status",
        "model",
        "inputs",
        "output",
        "updated_at"
      ],
      "properties": {
        "kind": {
          "const": "video"
        },
        "status": {
          "const": "planned"
        },
        "model": {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "id"
          ],
          "properties": {
            "id": {
              "$ref": "#/$defs/nonEmptyString"
            }
          }
        },
        "inputs": {
          "$ref": "#/$defs/draftInputs"
        },
        "output": {
          "$ref": "#/$defs/output"
        },
        "updated_at": {
          "type": "string",
          "format": "date-time"
        }
      }
    },
    "draftInputs": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "prompt",
        "negative_prompt",
        "first_frame",
        "last_frame",
        "reference_images",
        "reference_videos",
        "reference_audios",
        "source_video",
        "camera",
        "seed",
        "extra"
      ],
      "properties": {
        "prompt": {
          "type": "string"
        },
        "negative_prompt": {
          "$ref": "#/$defs/nullableString"
        },
        "first_frame": {
          "$ref": "#/$defs/nullableReference"
        },
        "last_frame": {
          "$ref": "#/$defs/nullableReference"
        },
        "reference_images": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/reference"
          }
        },
        "reference_videos": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/reference"
          }
        },
        "reference_audios": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/reference"
          }
        },
        "source_video": {
          "$ref": "#/$defs/nullableReference"
        },
        "mode": {
          "enum": [
            "edit",
            "extend",
            "motion",
            "frame-edit",
            null
          ]
        },
        "camera": {
          "oneOf": [
            {
              "$ref": "#/$defs/camera"
            },
            {
              "type": "null"
            }
          ]
        },
        "seed": {
          "type": [
            "integer",
            "null"
          ]
        },
        "extra": {
          "type": "object"
        },
        "frames_or_refs": {
          "enum": [
            "frames",
            "references"
          ]
        }
      }
    },
    "placeholder": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "path",
        "sha256",
        "item_id"
      ],
      "properties": {
        "path": {
          "$ref": "#/$defs/nonEmptyString"
        },
        "sha256": {
          "$ref": "#/$defs/sha256"
        },
        "item_id": {
          "$ref": "#/$defs/nonEmptyString"
        }
      }
    },
    "nonEmptyString": { "type": "string", "minLength": 1, "pattern": "\\S" },
    "nullableString": { "type": ["string", "null"] },
    "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "model": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "as_of"],
      "properties": {
        "id": { "$ref": "#/$defs/nonEmptyString" },
        "endpoint": { "$ref": "#/$defs/nonEmptyString" },
        "as_of": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" }
      }
    },
    "reference": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "sha256"],
      "properties": {
        "path": { "$ref": "#/$defs/nonEmptyString" },
        "sha256": { "$ref": "#/$defs/sha256" },
        "source_id": { "$ref": "#/$defs/nullableString" },
        "name": { "$ref": "#/$defs/nullableString" },
        "role": { "$ref": "#/$defs/nullableString" },
        "range_s": {
          "type": ["array", "null"],
          "prefixItems": [{ "type": "number", "minimum": 0 }, { "type": "number", "minimum": 0 }],
          "minItems": 2,
          "maxItems": 2
        }
      }
    },
    "nullableReference": { "oneOf": [{ "$ref": "#/$defs/reference" }, { "type": "null" }] },
    "camera": {
      "type": "object",
      "additionalProperties": false,
      "required": ["notation", "value"],
      "properties": {
        "notation": { "enum": ["bracket", "trajectory", "prose"] },
        "value": { "$ref": "#/$defs/nonEmptyString" },
        "from_annotation": { "$ref": "#/$defs/nullableString" }
      }
    },
    "inputs": {
      "type": "object",
      "additionalProperties": false,
      "required": ["prompt", "negative_prompt", "first_frame", "last_frame", "reference_images", "reference_videos", "reference_audios", "source_video", "camera", "seed", "extra"],
      "properties": {
        "prompt": { "type": "string" },
        "negative_prompt": { "$ref": "#/$defs/nullableString" },
        "first_frame": { "$ref": "#/$defs/nullableReference" },
        "last_frame": { "$ref": "#/$defs/nullableReference" },
        "reference_images": { "type": "array", "items": { "$ref": "#/$defs/reference" } },
        "reference_videos": { "type": "array", "items": { "$ref": "#/$defs/reference" } },
        "reference_audios": { "type": "array", "items": { "$ref": "#/$defs/reference" } },
        "source_video": { "$ref": "#/$defs/nullableReference" },
        "mode": { "enum": ["edit", "extend", "motion", "frame-edit", null] },
        "camera": { "oneOf": [{ "$ref": "#/$defs/camera" }, { "type": "null" }] },
        "seed": { "type": ["integer", "null"] },
        "extra": { "type": "object" }
      }
    },
    "output": {
      "type": "object",
      "additionalProperties": false,
      "required": ["duration_s"],
      "properties": {
        "duration_s": { "type": "number", "exclusiveMinimum": 0 },
        "resolution": { "$ref": "#/$defs/nullableString" },
        "aspect": { "$ref": "#/$defs/nullableString" },
        "audio_out": { "type": ["boolean", "null"] },
        "cropped_from": { "type": "string", "pattern": "^[1-9][0-9]*x[1-9][0-9]*$" }
      }
    },
    "cost": {
      "type": "object",
      "additionalProperties": false,
      "required": ["unit", "source"],
      "properties": {
        "estimate_usd": { "type": ["number", "null"], "minimum": 0 },
        "actual_usd": { "type": ["number", "null"], "minimum": 0 },
        "unit": { "$ref": "#/$defs/nonEmptyString" },
        "source": { "enum": ["estimate", "provider"] }
      }
    },
    "job": {
      "type": "object",
      "additionalProperties": false,
      "required": ["provider", "started_at", "stale_after_s"],
      "properties": {
        "provider": { "$ref": "#/$defs/nonEmptyString" },
        "request_id": { "$ref": "#/$defs/nonEmptyString" },
        "status_url": { "$ref": "#/$defs/nonEmptyString" },
        "response_url": { "$ref": "#/$defs/nonEmptyString" },
        "started_at": { "type": "string", "format": "date-time" },
        "stale_after_s": { "type": "number", "minimum": 0 }
      }
    },
    "provenance": {
      "type": "object",
      "additionalProperties": false,
      "required": ["created_at", "tool"],
      "properties": {
        "created_at": { "type": "string", "format": "date-time" },
        "tool": { "$ref": "#/$defs/nonEmptyString" },
        "key_source": { "$ref": "#/$defs/nullableString" }
      }
    },
    "result": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "sha256", "bytes", "duration_s_actual"],
      "properties": {
        "path": { "$ref": "#/$defs/nonEmptyString" },
        "sha256": { "$ref": "#/$defs/sha256" },
        "bytes": { "type": "integer", "minimum": 0 },
        "duration_s_actual": { "type": "number", "minimum": 0 },
        "width": { "type": "integer", "minimum": 1 },
        "height": { "type": "integer", "minimum": 1 },
        "fps": { "$ref": "#/$defs/nonEmptyString" },
        "has_audio": { "type": "boolean" },
        "expanded_prompt": { "type": "string" },
        "elapsed_s": { "type": "number", "minimum": 0 }
      }
    },
    "historyEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["at", "status", "reason"],
      "properties": {
        "at": { "type": "string", "format": "date-time" },
        "status": { "enum": ["planned", "generating", "done", "failed"] },
        "reason": { "$ref": "#/$defs/nullableString" }
      }
    }
  }
}