import {z} from 'zod'

export type ExecuteToolRequest = {index?: number | undefined, type?: string | undefined, id?: string | undefined, function: {name?: string | undefined, arguments?: string | undefined}} | {call_id?: string | undefined, name: string, arguments?: string | undefined, output?: {[key: string]: unknown} | undefined, action?: {[key: string]: unknown} | undefined, error?: string | undefined};

export type CreateApiV1McpToolExecuteArgs = {format?: ('chat' | 'responses') | undefined, body: ExecuteToolRequest};

export type CreateApiV1McpToolExecuteOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const cacheControl = z.object({type: z.literal("ephemeral").optional(), ttl: z.string().optional()});

export const chatMessage = z.object({role: z.enum(["assistant", "user", "system", "tool", "developer"]), name: z.string().optional(), content: z.union([z.string(), z.array(z.object({type: z.enum(["text", "image_url", "input_audio", "file", "refusal"]), text: z.string().optional(), refusal: z.string().optional(), image_url: z.object({url: z.string(), detail: z.enum(["low", "high", "auto"]).optional()}).optional(), input_audio: z.object({data: z.string(), format: z.string().optional()}).optional(), file: z.object({file_data: z.string().optional(), file_id: z.string().optional(), filename: z.string().optional(), file_type: z.string().optional()}).optional(), cache_control: cacheControl.optional()}))]).optional(), tool_call_id: z.string().optional(), refusal: z.string().optional(), audio: z.object({id: z.string().optional(), data: z.string().optional(), expires_at: z.number().int().optional(), transcript: z.string().optional()}).optional(), reasoning: z.string().optional(), reasoning_details: z.array(z.object({id: z.string().optional(), index: z.number().int().optional(), type: z.enum(["reasoning.summary", "reasoning.encrypted", "reasoning.text"]).optional(), summary: z.string().optional(), text: z.string().optional(), signature: z.string().optional(), data: z.string().optional()})).optional(), annotations: z.array(z.object({type: z.string().optional(), url_citation: z.object({start_index: z.number().int().optional(), end_index: z.number().int().optional(), title: z.string().optional(), url: z.string().optional(), sources: z.object({}).optional(), type: z.string().optional()}).optional()})).optional(), tool_calls: z.array(z.object({index: z.number().int().optional(), type: z.string().optional(), id: z.string().optional(), function: z.object({name: z.string().optional(), arguments: z.string().optional()})})).optional()});

export const createApiV1McpToolExecuteResponse = z.union([chatMessage, z.object({id: z.string().optional(), type: z.enum(["message", "file_search_call", "computer_call", "computer_call_output", "web_search_call", "web_fetch_call", "function_call", "function_call_output", "code_interpreter_call", "local_shell_call", "local_shell_call_output", "mcp_call", "custom_tool_call", "custom_tool_call_output", "image_generation_call", "mcp_list_tools", "mcp_approval_request", "mcp_approval_responses", "reasoning", "item_reference", "refusal"]).optional(), status: z.enum(["in_progress", "completed", "incomplete", "interpreting", "failed"]).optional(), role: z.enum(["assistant", "user", "system", "developer"]).optional(), content: z.union([z.string(), z.array(z.object({type: z.enum(["input_text", "input_image", "input_file", "input_audio", "output_text", "refusal", "reasoning_text"]), file_id: z.string().optional(), text: z.string().optional(), signature: z.string().optional(), image_url: z.string().optional(), detail: z.string().optional(), file_data: z.string().optional(), file_url: z.string().optional(), filename: z.string().optional(), file_type: z.string().optional(), input_audio: z.object({format: z.enum(["mp3", "wav"]), data: z.string()}).optional(), annotations: z.array(z.object({type: z.enum(["file_citation", "url_citation", "container_file_citation", "file_path"]).optional(), index: z.number().int().optional(), file_id: z.string().optional(), text: z.string().optional(), start_index: z.number().int().optional(), end_index: z.number().int().optional(), filename: z.string().optional(), title: z.string().optional(), url: z.string().optional(), container_id: z.string().optional()})).optional(), logprobs: z.array(z.object({bytes: z.array(z.number().int()).optional(), logprob: z.number().optional(), token: z.string().optional(), top_logprobs: z.array(z.object({bytes: z.array(z.number().int()).optional(), logprob: z.number().optional(), token: z.string().optional()})).optional()})).optional(), refusal: z.string().optional(), cache_control: cacheControl.optional()}))]).optional(), call_id: z.string().optional(), name: z.string().optional(), arguments: z.string().optional(), output: z.union([z.string(), z.array(z.object({type: z.enum(["input_text", "input_image", "input_file", "input_audio", "output_text", "refusal", "reasoning_text"]), file_id: z.string().optional(), text: z.string().optional(), signature: z.string().optional(), image_url: z.string().optional(), detail: z.string().optional(), file_data: z.string().optional(), file_url: z.string().optional(), filename: z.string().optional(), file_type: z.string().optional(), input_audio: z.object({format: z.enum(["mp3", "wav"]), data: z.string()}).optional(), annotations: z.array(z.object({type: z.enum(["file_citation", "url_citation", "container_file_citation", "file_path"]).optional(), index: z.number().int().optional(), file_id: z.string().optional(), text: z.string().optional(), start_index: z.number().int().optional(), end_index: z.number().int().optional(), filename: z.string().optional(), title: z.string().optional(), url: z.string().optional(), container_id: z.string().optional()})).optional(), logprobs: z.array(z.object({bytes: z.array(z.number().int()).optional(), logprob: z.number().optional(), token: z.string().optional(), top_logprobs: z.array(z.object({bytes: z.array(z.number().int()).optional(), logprob: z.number().optional(), token: z.string().optional()})).optional()})).optional(), refusal: z.string().optional(), cache_control: cacheControl.optional()})), z.object({type: z.literal("computer_screenshot").optional(), file_id: z.string().optional(), image_url: z.string().optional()})]).optional(), action: z.object({}).optional(), error: z.string().optional(), queries: z.array(z.string()).optional(), results: z.array(z.object({})).optional(), summary: z.array(z.object({type: z.literal("summary_text"), text: z.string()})).optional(), encrypted_content: z.string().optional()})]);

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Execute MCP tool
 * 
 * POST /v1/mcp/tool/execute
 * 
 * Also accepts auth: BasicAuth, VirtualKeyAuth, ApiKeyAuth
 */
export const createApiV1McpToolExecute = async (args: CreateApiV1McpToolExecuteArgs, options?: CreateApiV1McpToolExecuteOptions) => {
const {baseUrl = "http://localhost:8080", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (args.format != null) query.append("format", String(args.format))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/mcp/tool/execute${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV1McpToolExecuteResponse, await res.json())
};