import {z} from 'zod'

export type McpMcpConfigConnectionToolMapping = {connected_account_id?: string | undefined, connected_account_status?: string | undefined, connection_id?: string | undefined, connection_name?: string | undefined, provider?: string | undefined, tools?: Array<string> | undefined};

export type McpToolExposure = 'DIRECT' | 'META';

export type McpMcpConfig = {connection_tool_mappings?: Array<McpMcpConfigConnectionToolMapping> | undefined, description?: string | undefined, id?: string | undefined, mcp_server_url?: string | undefined, tool_exposure?: McpToolExposure | undefined, name?: string | undefined};

export type CreateApiApiV1McpConfigsArgs = {body: McpMcpConfig};

export type CreateApiApiV1McpConfigsOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const mcpMcpConfigConnectionToolMapping = z.object({connected_account_id: z.string().optional(), connected_account_status: z.string().optional(), connection_id: z.string().optional(), connection_name: z.string().optional(), provider: z.string().optional(), tools: z.array(z.string()).optional()});

export const mcpToolExposure = z.enum(["DIRECT", "META"]);

export const mcpMcpConfig = z.object({connection_tool_mappings: z.array(mcpMcpConfigConnectionToolMapping).optional(), description: z.string().optional(), id: z.string().optional(), mcp_server_url: z.string().optional(), tool_exposure: mcpToolExposure.optional(), name: z.string().min(1).max(100).optional()});

export const mcpCreateMcpConfigResponse = z.object({config: mcpMcpConfig.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
};

/**
 * Create a new MCP configuration
 * 
 * POST /api/v1/mcp/configs
 */
export const createApiApiV1McpConfigs = async (args: CreateApiApiV1McpConfigsArgs, options?: CreateApiApiV1McpConfigsOptions) => {
const {baseUrl = "https://$SCALEKIT_ENVIRONMENT_URL", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/mcp/configs${query.size > 0 ? `?${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(mcpCreateMcpConfigResponse, await res.json())
};