{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tsinghua/main/json-schema/tsinghua-mirror-status-schema.json",
  "title": "MirrorStatus",
  "description": "Synchronization status for a single mirrored repository served by the Tsinghua TUNA mirror (tunasync).",
  "type": "object",
  "required": [
    "name",
    "is_master",
    "status",
    "last_update",
    "last_update_ts",
    "last_started",
    "last_started_ts",
    "last_ended",
    "last_ended_ts",
    "next_schedule",
    "next_schedule_ts",
    "upstream",
    "size"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Identifier of the mirror."
    },
    "is_master": {
      "type": "boolean",
      "description": "Whether this mirror is a master (primary) sync job."
    },
    "status": {
      "type": "string",
      "description": "Current synchronization status of the mirror.",
      "enum": ["success", "syncing", "failed", "paused"]
    },
    "last_update": {
      "type": "string",
      "description": "Human-readable timestamp of the last successful update."
    },
    "last_update_ts": {
      "type": "integer",
      "description": "Unix epoch seconds of the last successful update."
    },
    "last_started": {
      "type": "string",
      "description": "Human-readable timestamp of when the most recent sync run started."
    },
    "last_started_ts": {
      "type": "integer",
      "description": "Unix epoch seconds of when the most recent sync run started."
    },
    "last_ended": {
      "type": "string",
      "description": "Human-readable timestamp of when the most recent sync run ended."
    },
    "last_ended_ts": {
      "type": "integer",
      "description": "Unix epoch seconds of when the most recent sync run ended."
    },
    "next_schedule": {
      "type": "string",
      "description": "Human-readable timestamp of the next scheduled sync run."
    },
    "next_schedule_ts": {
      "type": "integer",
      "description": "Unix epoch seconds of the next scheduled sync run; may be negative when unscheduled."
    },
    "upstream": {
      "type": "string",
      "description": "Upstream source URL the mirror synchronizes from."
    },
    "size": {
      "type": "string",
      "description": "Human-readable on-disk size of the mirror."
    }
  },
  "additionalProperties": false
}