{
  "openapi": "3.0.0",
  "info": {
    "title": "Minglar API",
    "description": "NestJS Backend for Minglar with AWS Lambda endpoints",
    "version": "1.0.0",
    "contact": {
      "name": "API Support"
    }
  },
  "servers": [
    {
      "url": "https://api.minglar.com",
      "description": "Production Server"
    },
    {
      "url": "http://localhost:3000",
      "description": "Local Development Server"
    }
  ],
  "tags": [
    {
      "name": "Host",
      "description": "Host management endpoints"
    },
    {
      "name": "Authentication",
      "description": "Authentication and authorization endpoints"
    }
  ],
  "paths": {
    "/host": {
      "get": {
        "tags": ["Host"],
        "summary": "Get all hosts",
        "description": "Retrieves a list of all host headers with basic information",
        "operationId": "getHosts",
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/HostHeader"
                  }
                },
                "example": [
                  {
                    "hostParent": "Example Host",
                    "hostRefNumber": "HOST001",
                    "hostStatusDisplay": "Active",
                    "accountManager": "John Doe"
                  }
                ]
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/host/registration": {
      "post": {
        "tags": ["Authentication"],
        "summary": "Register a new host",
        "description": "Initiates host registration by sending an OTP to the provided email address",
        "operationId": "registrationOfHost",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/RegistrationRequest"
              },
              "example": {
                "email": "host@example.com"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OTP sent successfully",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SuccessResponse"
                },
                "example": {
                  "success": true,
                  "message": "OTP sent successfully.",
                  "data": {}
                }
              }
            }
          },
          "400": {
            "description": "Bad request - Email is required",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "Email is required",
                  "data": null,
                  "error": {
                    "code": 400,
                    "description": "Email is required",
                    "statusCode": 400
                  }
                }
              }
            }
          },
          "404": {
            "description": "User already registered",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "User is already registered. Please login.",
                  "data": null,
                  "error": {
                    "code": 404,
                    "description": "User is already registered. Please login.",
                    "statusCode": 404
                  }
                }
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/host/verify-otp": {
      "post": {
        "tags": ["Authentication"],
        "summary": "Verify OTP",
        "description": "Verifies the OTP sent to the user's email during registration",
        "operationId": "verifyOtp",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/VerifyOtpRequest"
              },
              "example": {
                "email": "host@example.com",
                "otp": "123456"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OTP verified successfully",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SuccessResponse"
                },
                "example": {
                  "success": true,
                  "message": "OTP verified successfully",
                  "data": null
                }
              }
            }
          },
          "400": {
            "description": "Bad request - Invalid OTP or missing fields",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "examples": {
                  "missingFields": {
                    "value": {
                      "success": false,
                      "message": "Email and OTP are required",
                      "data": null,
                      "error": {
                        "code": 400,
                        "description": "Email and OTP are required",
                        "statusCode": 400
                      }
                    }
                  },
                  "invalidOtp": {
                    "value": {
                      "success": false,
                      "message": "Invalid OTP.",
                      "data": null,
                      "error": {
                        "code": 400,
                        "description": "Invalid OTP.",
                        "statusCode": 400
                      }
                    }
                  },
                  "expiredOtp": {
                    "value": {
                      "success": false,
                      "message": "OTP has expired.",
                      "data": null,
                      "error": {
                        "code": 400,
                        "description": "OTP has expired.",
                        "statusCode": 400
                      }
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "User not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "User not found.",
                  "data": null,
                  "error": {
                    "code": 404,
                    "description": "User not found.",
                    "statusCode": 404
                  }
                }
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/host/login": {
      "post": {
        "tags": ["Authentication"],
        "summary": "Login for host",
        "description": "Authenticates a host user and returns an access token",
        "operationId": "loginForHost",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/LoginRequest"
              },
              "example": {
                "emailAddress": "host@example.com",
                "userPassword": "password123"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Login successful",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/LoginResponse"
                },
                "example": {
                  "success": true,
                  "message": "Login successful",
                  "data": {
                    "id": 1,
                    "firstName": "John",
                    "lastName": "Doe",
                    "emailAddress": "host@example.com",
                    "mobileNumber": "+1234567890",
                    "isActive": true,
                    "roleXid": 4,
                    "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
                  }
                }
              }
            }
          },
          "400": {
            "description": "Bad request - Missing fields or failed login",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "Email and password are required",
                  "data": null,
                  "error": {
                    "code": 400,
                    "description": "Email and password are required",
                    "statusCode": 400
                  }
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized - Invalid credentials",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "Invalid credentials",
                  "data": null,
                  "error": {
                    "code": 401,
                    "description": "Invalid credentials",
                    "statusCode": 401
                  }
                }
              }
            }
          },
          "403": {
            "description": "Forbidden - Not a host user",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "Access denied. Not a host user.",
                  "data": null,
                  "error": {
                    "code": 403,
                    "description": "Access denied. Not a host user.",
                    "statusCode": 403
                  }
                }
              }
            }
          },
          "404": {
            "description": "User not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "example": {
                  "success": false,
                  "message": "User not found",
                  "data": null,
                  "error": {
                    "code": 404,
                    "description": "User not found",
                    "statusCode": 404
                  }
                }
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "JWT",
        "description": "JWT token obtained from login endpoint"
      }
    },
    "schemas": {
      "HostHeader": {
        "type": "object",
        "properties": {
          "hostParent": {
            "type": "string",
            "description": "Host parent name",
            "example": "Example Host"
          },
          "hostRefNumber": {
            "type": "string",
            "description": "Host reference number",
            "example": "HOST001"
          },
          "hostStatusDisplay": {
            "type": "string",
            "description": "Host status display",
            "example": "Active"
          },
          "accountManager": {
            "type": "string",
            "description": "Account manager name",
            "example": "John Doe"
          }
        }
      },
      "RegistrationRequest": {
        "type": "object",
        "required": ["email"],
        "properties": {
          "email": {
            "type": "string",
            "format": "email",
            "description": "Email address for registration",
            "example": "host@example.com"
          }
        }
      },
      "VerifyOtpRequest": {
        "type": "object",
        "required": ["email", "otp"],
        "properties": {
          "email": {
            "type": "string",
            "format": "email",
            "description": "Email address used during registration",
            "example": "host@example.com"
          },
          "otp": {
            "type": "string",
            "description": "6-digit OTP code sent to email",
            "pattern": "^[0-9]{6}$",
            "example": "123456"
          }
        }
      },
      "LoginRequest": {
        "type": "object",
        "required": ["emailAddress", "userPassword"],
        "properties": {
          "emailAddress": {
            "type": "string",
            "format": "email",
            "description": "Host user email address",
            "example": "host@example.com"
          },
          "userPassword": {
            "type": "string",
            "format": "password",
            "description": "User password",
            "minLength": 8,
            "example": "password123"
          }
        }
      },
      "LoginResponseData": {
        "type": "object",
        "properties": {
          "id": {
            "type": "integer",
            "description": "User ID",
            "example": 1
          },
          "firstName": {
            "type": "string",
            "nullable": true,
            "description": "User first name",
            "example": "John"
          },
          "lastName": {
            "type": "string",
            "nullable": true,
            "description": "User last name",
            "example": "Doe"
          },
          "emailAddress": {
            "type": "string",
            "format": "email",
            "description": "User email address",
            "example": "host@example.com"
          },
          "mobileNumber": {
            "type": "string",
            "nullable": true,
            "description": "User mobile number",
            "example": "+1234567890"
          },
          "isActive": {
            "type": "boolean",
            "description": "User active status",
            "example": true
          },
          "roleXid": {
            "type": "integer",
            "description": "User role ID (4 for host)",
            "example": 4
          },
          "accessToken": {
            "type": "string",
            "description": "JWT access token for authentication",
            "example": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
          }
        }
      },
      "LoginResponse": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean",
            "example": true
          },
          "message": {
            "type": "string",
            "example": "Login successful"
          },
          "data": {
            "$ref": "#/components/schemas/LoginResponseData"
          }
        }
      },
      "SuccessResponse": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean",
            "example": true
          },
          "message": {
            "type": "string",
            "example": "Operation successful"
          },
          "data": {
            "type": "object",
            "description": "Response data (can be null or empty object)"
          }
        }
      },
      "ErrorResponse": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean",
            "example": false
          },
          "message": {
            "type": "string",
            "description": "Error message",
            "example": "An error occurred"
          },
          "data": {
            "type": "object",
            "nullable": true,
            "example": null
          },
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "integer",
                "description": "HTTP status code",
                "example": 400
              },
              "description": {
                "type": "string",
                "description": "Error description",
                "example": "Bad request"
              },
              "statusCode": {
                "type": "integer",
                "description": "HTTP status code",
                "example": 400
              },
              "debug": {
                "type": "string",
                "description": "Debug information (only in non-production environments)",
                "example": "Stack trace..."
              }
            },
            "required": ["code", "description", "statusCode"]
          }
        },
        "required": ["success", "message", "data", "error"]
      }
    }
  }
}