import {z} from 'zod'

export type ApplicationSortKey = 'created_at' | 'updated_at' | 'name';

export type SortEnum = 'ascending' | 'descending';

export type GetApiApplicationsArgs = {search?: string | undefined, ids?: Array<string> | undefined, names?: Array<string> | undefined, owner?: Array<string> | undefined, public?: boolean | undefined, deployed?: boolean | undefined, permissions?: Array<string> | undefined, keywords?: Array<string> | undefined, sort_by?: ApplicationSortKey | undefined, sort_order?: SortEnum | undefined, page?: number | undefined, 'per-page'?: number | undefined};

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

export const sDKEnum = z.enum(["streamlit", "dash", "react"]);

export const deploymentConfig = z.object({login_required: z.boolean().optional(), cpu_limit: z.number().int().optional(), memory_limit: z.number().int().optional(), scale_to_zero: z.boolean().optional(), entrypoint_file: z.string().optional()});

export const accountPublic = z.object({id: z.string(), account_type: z.string(), name: z.string(), display_name: z.string().optional(), description: z.string().optional(), picture_url: z.string().optional()});

export const userPermission = z.object({admin: z.boolean().optional(), write: z.boolean().optional(), read: z.boolean().optional()});

export const application = z.object({name: z.string(), description: z.string().optional(), public: z.boolean().optional(), keywords: z.array(z.string()).optional(), image: z.string().optional(), source: z.string().optional(), license: z.string().optional(), sdk: sDKEnum.optional(), is_paid: z.boolean().optional(), deployment_config: deploymentConfig.optional(), id: z.string(), owner: accountPublic, permissions: userPermission, slug: z.string(), has_been_deployed: z.boolean(), url: z.string().optional()});

export const applicationList = z.object({page: z.number().int(), per_page: z.number().int(), next_page: z.number().int().optional(), page_count: z.number().int(), total_count: z.number().int(), resources: z.array(application)});

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
};

/**
 * List Applications
 * 
 * GET /applications
 * 
 * Also accepts auth: APIKeyAuth
 */
export const getApiApplications = async (args: GetApiApplicationsArgs, options: GetApiApplicationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, JWTAuth} = options ?? {}

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

if (args.search != null) query.append("search", String(args.search))
for (const item of args.ids ?? []) query.append("ids", String(item))
for (const item of args.names ?? []) query.append("names", String(item))
for (const item of args.owner ?? []) query.append("owner", String(item))
if (args.public != null) query.append("public", String(args.public))
if (args.deployed != null) query.append("deployed", String(args.deployed))
for (const item of args.permissions ?? []) query.append("permissions", String(item))
for (const item of args.keywords ?? []) query.append("keywords", String(item))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (args.page != null) query.append("page", String(args.page))
if (args['per-page'] != null) query.append("per-page", String(args['per-page']))
if (JWTAuth !== undefined) headers.set('authorization', `Bearer ${JWTAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/applications${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(applicationList, await res.json())
};