{
  "openapi": "3.0.0",
  "info": {
    "title": "Ollama Model Manager API",
    "description": "REST API for managing Ollama models and endpoints",
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "/",
      "description": "Current server (relative URL)"
    },
    {
      "url": "{protocol}://{hostname}:{port}",
      "description": "Custom server URL",
      "variables": {
        "protocol": {
          "enum": ["http", "https"],
          "default": "http"
        },
        "hostname": {
          "default": "localhost"
        },
        "port": {
          "default": "3000"
        }
      }
    }
  ],
  "components": {
    "schemas": {
      "Error": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean",
            "example": false
          },
          "message": {
            "type": "string",
            "description": "Human readable error message"
          },
          "error": {
            "type": "string",
            "description": "Detailed error information (optional)"
          }
        }
      },
      "SuccessResponse": {
        "type": "object",
        "properties": {
          "success": {
            "type": "boolean",
            "example": true
          },
          "message": {
            "type": "string"
          }
        }
      },
      "ModelDetails": {
        "type": "object",
        "properties": {
          "parent_model": {
            "type": "string"
          },
          "format": {
            "type": "string"
          },
          "family": {
            "type": "string"
          },
          "families": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "parameter_size": {
            "type": "string"
          },
          "quantization_level": {
            "type": "string"
          }
        }
      }
    }
  },
  "paths": {
    "/api/endpoints": {
      "get": {
        "summary": "Get Available Ollama Endpoints",
        "description": "Returns a list of configured Ollama endpoints",
        "responses": {
          "200": {
            "description": "List of endpoints",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/set-endpoint": {
      "post": {
        "summary": "Set Active Ollama Endpoint",
        "description": "Sets and validates the active Ollama endpoint",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "endpoint": {
                    "type": "string",
                    "example": "http://localhost:11434"
                  }
                },
                "required": ["endpoint"]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Endpoint set successfully",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SuccessResponse"
                }
              }
            }
          },
          "500": {
            "description": "Error setting endpoint",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/ps": {
      "get": {
        "summary": "Get Running Models",
        "description": "Returns a list of currently running Ollama models",
        "responses": {
          "200": {
            "description": "List of running models",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "description": "Response format matches Ollama's /api/ps endpoint"
                }
              }
            }
          },
          "500": {
            "description": "Error fetching running models",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/models": {
      "get": {
        "summary": "Get Available Models",
        "description": "Returns a list of available models with their details",
        "responses": {
          "200": {
            "description": "List of models",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "name": {
                        "type": "string"
                      },
                      "size": {
                        "type": "integer"
                      },
                      "details": {
                        "$ref": "#/components/schemas/ModelDetails"
                      }
                    }
                  }
                }
              }
            }
          },
          "500": {
            "description": "Error fetching models",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      },
      "delete": {
        "summary": "Delete Models",
        "description": "Deletes one or more models from Ollama",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "models": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    }
                  }
                },
                "required": ["models"]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Models deleted successfully",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SuccessResponse"
                }
              }
            }
          },
          "500": {
            "description": "Error deleting models",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/pull": {
      "post": {
        "summary": "Pull Model",
        "description": "Pulls a new model from Ollama. Returns a streaming response with progress updates",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "model": {
                    "type": "string"
                  }
                },
                "required": ["model"]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Streaming response with progress updates",
            "content": {
              "application/x-ndjson": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": {
                      "type": "string",
                      "enum": ["downloading", "verifying digest", "writing manifest", "error"]
                    },
                    "completed": {
                      "type": "integer"
                    },
                    "total": {
                      "type": "integer"
                    },
                    "error": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/update-model": {
      "post": {
        "summary": "Update Model",
        "description": "Updates an existing model. Returns a streaming response with progress updates",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "modelName": {
                    "type": "string"
                  }
                },
                "required": ["modelName"]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Streaming response with progress updates",
            "content": {
              "application/x-ndjson": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": {
                      "type": "string",
                      "enum": ["downloading", "verifying digest", "writing manifest", "error"]
                    },
                    "completed": {
                      "type": "integer"
                    },
                    "total": {
                      "type": "integer"
                    },
                    "error": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    }
  }
}