{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://runbook-tutorials.invalid/schema/project/v0.1",
  "title": "Project or project template",
  "type": "object",
  "required": [
    "spec",
    "id",
    "title",
    "runbooks"
  ],
  "additionalProperties": false,
  "properties": {
    "spec": {
      "enum": [
        "project/v0.1",
        "project-template/v0.1"
      ]
    },
    "id": {
      "type": "string",
      "pattern": "^[a-z0-9]+([.-][a-z0-9]+)*$"
    },
    "title": {
      "type": "string",
      "minLength": 3
    },
    "goal": {
      "type": "string"
    },
    "environment": {
      "enum": [
        "rehearsal",
        "staging",
        "production"
      ]
    },
    "template": {
      "type": "string",
      "description": "Id of the template this project was created from."
    },
    "attribute_sets": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "attributes": {
      "$ref": "#/$defs/attributes"
    },
    "targets": {
      "type": "object",
      "propertyNames": {
        "pattern": "^[a-z][a-z0-9-]*$"
      },
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "title": {
            "type": "string"
          },
          "attribute_sets": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "attributes": {
            "$ref": "#/$defs/attributes"
          }
        }
      }
    },
    "runbooks": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": [
          "pack"
        ],
        "additionalProperties": false,
        "properties": {
          "pack": {
            "type": "string"
          },
          "target": {
            "type": "string"
          },
          "after": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "attributes": {
            "$ref": "#/$defs/attributes"
          }
        }
      }
    },
    "description": {
      "type": "string",
      "description": "What this project is, in its own words. Not inherited from a template."
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "spec": {
            "const": "project/v0.1"
          }
        }
      },
      "then": {
        "required": [
          "environment"
        ]
      }
    }
  ],
  "$defs": {
    "attributes": {
      "type": "object",
      "propertyNames": {
        "pattern": "^[a-z][a-z0-9_]*$"
      },
      "additionalProperties": {
        "$ref": "#/$defs/attribute"
      }
    },
    "attribute": {
      "oneOf": [
        {
          "type": [
            "string",
            "integer",
            "boolean"
          ]
        },
        {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "value": {
              "type": [
                "string",
                "integer",
                "boolean"
              ]
            },
            "requirement": {
              "enum": [
                "required",
                "optional"
              ]
            },
            "note": {
              "type": "string"
            }
          },
          "minProperties": 1
        }
      ]
    }
  }
}