import {z} from 'zod'

export type DiscoverPreviewRequest = {api_key?: (string | null) | undefined, endpoint_url?: (string | null) | undefined, provider_key: string};

export type CreateApiV1WorkspacesWorkspaceProviderConfigsDiscoverPreviewArgs = {workspace: string, body: DiscoverPreviewRequest};

export type CreateApiV1WorkspacesWorkspaceProviderConfigsDiscoverPreviewOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const modelKind = z.enum(["chat", "embedding", "image", "video", "decision"]);

export const discoverPreviewModelResponse = z.object({cache_creation_input_cost_per_token: z.string().nullable().optional(), cached_input_cost_per_token: z.string().nullable().optional(), context_window: z.number().int().nullable(), description: z.string().nullable().optional(), display_name: z.string(), id: z.string(), input_cost_per_token: z.string().nullable().optional(), is_new: z.boolean().optional(), kind: modelKind.optional(), max_output_tokens: z.number().int().nullable().optional(), model_name: z.string(), output_cost_per_token: z.string().nullable().optional(), supports_function_calling: z.boolean().optional(), supports_reasoning: z.boolean().optional(), supports_vision: z.boolean().optional()});

export const skippedModelResponse = z.object({missing: z.array(z.string()), model_name: z.string()});

export const discoverPreviewResponse = z.object({discovered: z.number().int(), models: z.array(discoverPreviewModelResponse), new_models: z.number().int(), skipped: z.array(skippedModelResponse).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
};

/**
 * Discover Models Preview
 * 
 * POST /v1/workspaces/{workspace}/provider-configs/discover-preview
 */
export const createApiV1WorkspacesWorkspaceProviderConfigsDiscoverPreview = async (args: CreateApiV1WorkspacesWorkspaceProviderConfigsDiscoverPreviewArgs, options: CreateApiV1WorkspacesWorkspaceProviderConfigsDiscoverPreviewOptions) => {
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/workspaces/${encodeURIComponent(String(args.workspace))}/provider-configs/discover-preview${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(discoverPreviewResponse, await res.json())
};