import {z} from 'zod'

export type CreateApiApiV1ProvidersProviderIdVerifyArgs = {providerId: 'anthropic' | 'openai' | 'google' | 'ollama' | 'siliconflow' | 'ppio' | 'nvidia' | 'stepfun' | 'amazon-bedrock' | 'deepseek' | 'openrouter' | 'mistral' | 'xai' | 'together' | 'huggingface' | 'qwen' | 'volcengine' | 'qianfan' | 'vllm' | 'byteplus' | 'venice' | 'github-copilot' | 'xiaomi' | 'chutes' | 'minimax' | 'kimi' | 'glm' | 'moonshot' | 'zai', body: {apiKey?: string | undefined, baseUrl?: string | undefined}};

export type CreateApiApiV1ProvidersProviderIdVerifyOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const createApiApiV1ProvidersProviderIdVerifyResponse = z.object({valid: z.boolean(), models: z.array(z.string()).optional(), error: 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
};

/**
 * POST /api/v1/providers/{providerId}/verify
 */
export const createApiApiV1ProvidersProviderIdVerify = async (args: CreateApiApiV1ProvidersProviderIdVerifyArgs, options: CreateApiApiV1ProvidersProviderIdVerifyOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/providers/${encodeURIComponent(String(args.providerId))}/verify${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(createApiApiV1ProvidersProviderIdVerifyResponse, await res.json())
};