import {z} from 'zod'

export type Platform = 'desktop' | 'android' | 'ios';

export type Tags = Array<string>;

export type CreateApiApiSessionsArgs = {body: {title: string, autoGenerateTitle?: boolean | undefined, prompt: string, projectId: string, platform?: Platform | undefined, model?: ('haiku' | 'sonnet' | 'kimi' | 'gpt-5.4' | 'gpt-5.4-mini' | 'gpt-5.5' | 'auto') | undefined, startUrl?: string | undefined, caseId?: string | undefined, tags?: Tags | undefined, interactiveMode?: boolean | undefined, hostnameOverrideIds?: Array<string> | undefined, deviceArn?: string | undefined, deviceName?: string | undefined, uploadArn?: string | undefined, uploadType?: ('own_app' | 'existing' | 'sample') | undefined, appName?: string | undefined, bundleId?: string | undefined, userDeviceId?: string | undefined, apps?: (Array<{uploadArn: string, uploadType: 'own_app' | 'existing' | 'sample', appName: string | null, bundleId?: string | undefined}>) | undefined}};

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

export const createApiApiSessionsResponse = z.object({success: z.boolean(), sessionId: z.string(), warnings: z.array(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
};

/**
 * Create a session
 * 
 * POST /api/sessions
 */
export const createApiApiSessions = async (args: CreateApiApiSessionsArgs, options: CreateApiApiSessionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

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