{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "trellis Migration Manifest",
  "type": "object",
  "required": ["from", "to", "playbooks"],
  "properties": {
    "from": { "type": "string", "pattern": "^\\d+\\.\\d+\\.\\d+$" },
    "to": { "type": "string", "pattern": "^\\d+\\.\\d+\\.\\d+$" },
    "playbooks": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "addSlots": {
            "type": "array",
            "items": {
              "type": "object",
              "required": ["file", "slot", "afterLine"],
              "properties": {
                "file": { "type": "string" },
                "slot": { "type": "string" },
                "afterLine": { "type": "string" },
                "indent": { "type": "string" }
              }
            }
          },
          "addFiles": {
            "type": "array",
            "items": {
              "type": "object",
              "required": ["path", "content"],
              "properties": {
                "path": { "type": "string" },
                "content": { "type": "string" }
              }
            }
          },
          "astPatches": {
            "type": "array",
            "items": {
              "type": "object",
              "required": ["file", "selector", "entryKey", "content"],
              "properties": {
                "file": { "type": "string" },
                "entryKey": { "type": "string" },
                "content": { "type": "string" },
                "selector": {
                  "oneOf": [
                    {
                      "type": "object",
                      "required": ["type", "target"],
                      "properties": {
                        "type": { "const": "arrayPush" },
                        "target": { "type": "string" }
                      }
                    },
                    {
                      "type": "object",
                      "required": ["type", "target", "key"],
                      "properties": {
                        "type": { "const": "objectKey" },
                        "target": { "type": "string" },
                        "key": { "type": "string" }
                      }
                    },
                    {
                      "type": "object",
                      "required": ["type", "from"],
                      "properties": {
                        "type": { "const": "importAdd" },
                        "from": { "type": "string" }
                      }
                    }
                  ]
                }
              }
            }
          }
        }
      }
    }
  }
}