import {z} from 'zod'

export type MediaKind = 'image' | 'video';

export type MediaEntityType = 'pwa' | 'pwa_template' | 'landing' | 'push_template' | 'push_notification' | 'push_rule';

export type MediaSortField = 'createdAt' | '-createdAt' | 'size' | '-size';

export type GetApiApiV1MediaArgs = {kind?: (MediaKind | null) | undefined, section?: (string | null) | undefined, folderId?: (string | null) | undefined, tag?: (string | null) | undefined, usedIn?: (MediaEntityType | null) | undefined, search?: (string | null) | undefined, minWidth?: (number | null) | undefined, minHeight?: (number | null) | undefined, archived?: boolean | undefined, includeDerived?: boolean | undefined, sort?: MediaSortField | undefined, page?: number | undefined, size?: number | undefined};

export type GetApiApiV1MediaOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const mediaKind = z.enum(["image", "video"]);

export const mediaAssetVariantDTO = z.object({preset: z.string(), url: z.string(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional()});

export const mediaAssetUsageDTO = z.object({entityType: z.string(), entityId: z.string(), field: z.string(), position: z.number().int().nullable().optional()});

export const mediaAssetDTO = z.object({id: z.string(), kind: mediaKind, filename: z.string(), url: z.string(), contentType: z.string().nullable().optional(), sizeBytes: z.number().int(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional(), durationMs: z.number().int().nullable().optional(), lqip: z.string().nullable().optional(), folderId: z.string().nullable().optional(), originContext: z.string(), section: z.string(), tags: z.array(z.string()).optional(), isArchived: z.boolean().optional(), sourceAssetId: z.string().nullable().optional(), sourceOp: z.record(z.string(), z.unknown()).nullable().optional(), variants: z.array(mediaAssetVariantDTO).optional(), usages: z.array(mediaAssetUsageDTO).optional(), createdAt: z.string(), updatedAt: z.string().nullable().optional()});

export const pagedMediaAsset = z.object({items: z.array(mediaAssetDTO), total: z.number().int(), page: z.number().int(), size: z.number().int(), pages: z.number().int()});

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 media assets
 * 
 * GET /api/v1/media
 */
export const getApiApiV1Media = async (args: GetApiApiV1MediaArgs, options: GetApiApiV1MediaOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (args.kind != null) query.append("kind", String(args.kind))
if (args.section != null) query.append("section", String(args.section))
if (args.folderId != null) query.append("folderId", String(args.folderId))
if (args.tag != null) query.append("tag", String(args.tag))
if (args.usedIn != null) query.append("usedIn", String(args.usedIn))
if (args.search != null) query.append("search", String(args.search))
if (args.minWidth != null) query.append("minWidth", String(args.minWidth))
if (args.minHeight != null) query.append("minHeight", String(args.minHeight))
if (args.archived != null) query.append("archived", String(args.archived))
if (args.includeDerived != null) query.append("includeDerived", String(args.includeDerived))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/media${query.size > 0 ? `?${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(pagedMediaAsset, await res.json())
};