import {z} from 'zod'

export type GetApiImagesArgs = {tagged?: (boolean | null) | undefined};

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

export const metadataModel = z.object({name: z.string(), date_created: z.string().nullable(), width: z.number().int(), height: z.number().int(), file_location: z.string(), file_size: z.number().int(), item_type: z.string(), latitude: z.number().nullable().optional(), longitude: z.number().nullable().optional(), location: z.string().nullable().optional()});

export const imageData = z.object({id: z.string(), path: z.string(), folder_id: z.string(), thumbnailPath: z.string(), metadata: metadataModel, isTagged: z.boolean(), isFavourite: z.boolean(), favouritedAt: z.string().nullable().optional(), tags: z.array(z.string()).nullable().optional()});

export const getAllImagesResponse = z.object({success: z.boolean(), message: z.string(), data: z.array(imageData)});

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
};

/**
 * Get All Images
 * 
 * GET /images/
 */
export const getApiImages = async (args: GetApiImagesArgs, options?: GetApiImagesOptions) => {
const {baseUrl = "http://localhost:52123", fetch: fetchFn = fetch} = options ?? {}

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

if (args.tagged != null) query.append("tagged", String(args.tagged))

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