import {z} from 'zod'

export type OpenRouterUserModelAdd = {user_id: number, openrouter_model_id: string, strength_factor?: number | undefined, description?: (string | null) | undefined, make_global?: boolean | undefined, input_price_per_1m?: (number | null) | undefined, output_price_per_1m?: (number | null) | undefined, cached_input_price_per_1m?: (number | null) | undefined};

export type CreateApiV1AiModelsOpenrouterAddToUserArgs = {body: OpenRouterUserModelAdd};

export type CreateApiV1AiModelsOpenrouterAddToUserOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const userModelResponse = z.object({id: z.number().int(), user_id: z.number().int(), model_id: z.string(), model_name: z.string(), provider: z.string(), strength_factor: z.number(), supports_images: z.boolean(), context_window: z.number().int(), input_price_per_1m: z.number(), output_price_per_1m: z.number(), cached_input_price_per_1m: z.number().nullable().optional(), is_active: z.boolean(), message: z.string()});

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
};

/**
 * Add Openrouter Model To User
 * 
 * POST /v1/ai-models/openrouter/add-to-user
 */
export const createApiV1AiModelsOpenrouterAddToUser = async (args: CreateApiV1AiModelsOpenrouterAddToUserArgs, options: CreateApiV1AiModelsOpenrouterAddToUserOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/ai-models/openrouter/add-to-user${query.size > 0 ? `?${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(userModelResponse, await res.json())
};