{
  "openapi": "3.1.0",
  "info": {
    "title": "TEKEL Elektrik Public Service Catalogue",
    "version": "1.0.0",
    "description": "Read-only discovery of public engineering services. No customer data, pricing commitments or industrial controls."
  },
  "servers": [
    {
      "url": "https://www.tekelelektrik.com"
    }
  ],
  "paths": {
    "/api/v1/services/": {
      "get": {
        "operationId": "listServices",
        "summary": "List public services",
        "description": "Read verified public service scope. This operation does not create a quotation, booking or lead. Prices require human assessment.",
        "security": [],
        "parameters": [
          {
            "name": "lang",
            "in": "query",
            "required": false,
            "description": "Content language; defaults to Turkish.",
            "schema": {
              "type": "string",
              "enum": [
                "tr",
                "en",
                "ar",
                "ru"
              ],
              "default": "tr"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Public service data",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "language",
                    "count",
                    "services"
                  ],
                  "properties": {
                    "language": {
                      "type": "string"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "services": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Service"
                      }
                    }
                  }
                }
              }
            }
          },
          "304": {
            "description": "Not modified"
          },
          "400": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "405": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/services/{serviceId}/": {
      "get": {
        "operationId": "getService",
        "summary": "Read one public service",
        "description": "Read verified public service scope. This operation does not create a quotation, booking or lead. Prices require human assessment.",
        "security": [],
        "parameters": [
          {
            "name": "lang",
            "in": "query",
            "required": false,
            "description": "Content language; defaults to Turkish.",
            "schema": {
              "type": "string",
              "enum": [
                "tr",
                "en",
                "ar",
                "ru"
              ],
              "default": "tr"
            }
          },
          {
            "name": "serviceId",
            "in": "path",
            "required": true,
            "description": "Public service identifier.",
            "schema": {
              "type": "string",
              "enum": [
                "plc",
                "compensation",
                "electrical",
                "solar",
                "recipes",
                "energy",
                "panel"
              ]
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Public service data",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Service"
                }
              }
            }
          },
          "304": {
            "description": "Not modified"
          },
          "400": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "405": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Error response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Service": {
        "type": "object",
        "required": [
          "id",
          "language",
          "name",
          "description",
          "url",
          "source_url",
          "technical_scope",
          "pricing"
        ],
        "properties": {
          "id": {
            "type": "string",
            "enum": [
              "plc",
              "compensation",
              "electrical",
              "solar",
              "recipes",
              "energy",
              "panel"
            ]
          },
          "language": {
            "type": "string",
            "enum": [
              "tr",
              "en",
              "ar",
              "ru"
            ]
          },
          "name": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "url": {
            "type": "string",
            "format": "uri"
          },
          "source_url": {
            "type": "string",
            "format": "uri"
          },
          "technical_scope": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "parameter",
                "description"
              ],
              "properties": {
                "parameter": {
                  "type": "string"
                },
                "description": {
                  "type": "string"
                }
              }
            }
          },
          "pricing": {
            "type": "object",
            "required": [
              "type",
              "amount",
              "currency"
            ],
            "properties": {
              "type": {
                "const": "quotation_required"
              },
              "amount": {
                "type": "null"
              },
              "currency": {
                "type": "null"
              }
            }
          }
        }
      },
      "Error": {
        "type": "object",
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "string"
          }
        }
      }
    }
  }
}