{
  "openapi": "3.1.0",
  "info": {
    "title": "Petstore API",
    "version": "1.0.0",
    "description": "A sample API that uses a petstore as an example"
  },
  "servers": [
    {
      "url": "http://localhost:3000/v3"
    }
  ],
  "tags": [
    {
      "name": "pets",
      "description": "Pet operations"
    },
    {
      "name": "store",
      "description": "Store operations"
    }
  ],
  "paths": {
    "/pets": {
      "get": {
        "summary": "List all pets",
        "operationId": "listPets",
        "tags": ["pets"],
        "parameters": [
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "format": "int32",
              "minimum": 1,
              "maximum": 100
            }
          },
          {
            "name": "offset",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "format": "int32",
              "minimum": 0
            }
          }
        ],
        "responses": {
          "200": {
            "description": "A list of pets",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "$ref": "#/components/schemas/Pet"
                  }
                }
              }
            }
          }
        }
      },
      "post": {
        "summary": "Create a pet",
        "operationId": "createPet",
        "tags": ["pets"],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/CreatePetBody"
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "Pet created",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Pet"
                }
              }
            }
          },
          "400": {
            "description": "Validation error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/pets/{petId}": {
      "get": {
        "summary": "Find pet by ID",
        "operationId": "showPetById",
        "tags": ["pets"],
        "parameters": [
          {
            "name": "petId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Pet found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Pet"
                }
              }
            }
          },
          "404": {
            "description": "Pet not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      },
      "put": {
        "summary": "Update a pet",
        "operationId": "updatePet",
        "tags": ["pets"],
        "parameters": [
          {
            "name": "petId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/UpdatePetBody"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Pet updated",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Pet"
                }
              }
            }
          },
          "400": {
            "description": "Validation error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Pet not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      },
      "delete": {
        "summary": "Delete a pet",
        "operationId": "deletePet",
        "tags": ["pets"],
        "parameters": [
          {
            "name": "petId",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "responses": {
          "204": {
            "description": "Pet deleted"
          },
          "404": {
            "description": "Pet not found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/store/inventory": {
      "get": {
        "summary": "Returns pet inventories by status",
        "operationId": "getInventory",
        "tags": ["store"],
        "responses": {
          "200": {
            "description": "Successful operation",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "additionalProperties": {
                    "type": "integer",
                    "format": "int32"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Pet": {
        "type": "object",
        "required": ["id", "name"],
        "properties": {
          "id": {
            "type": "string",
            "format": "uuid"
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 100
          },
          "tag": {
            "type": "string"
          },
          "status": {
            "type": "string",
            "enum": ["available", "pending", "sold"]
          }
        }
      },
      "CreatePetBody": {
        "type": "object",
        "required": ["name"],
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 100
          },
          "tag": {
            "type": "string"
          }
        }
      },
      "UpdatePetBody": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 100
          },
          "tag": {
            "type": "string"
          },
          "status": {
            "type": "string",
            "enum": ["available", "pending", "sold"]
          }
        }
      },
      "Error": {
        "type": "object",
        "required": ["code", "message"],
        "properties": {
          "code": {
            "type": "integer",
            "format": "int32"
          },
          "message": {
            "type": "string"
          }
        }
      }
    }
  }
}