import {z} from 'zod'

export type GetApiMemoriesArgs = {limit?: number | undefined, offset?: number | undefined, event_type?: (string | null) | undefined, include_viewed?: boolean | undefined, include_dismissed?: boolean | undefined};

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

export const memoryCard = z.object({memory_id: z.string(), dedupe_key: z.string(), event_type: z.enum(["anniversary", "import_event", "semantic_event"]), status: z.enum(["pending", "complete", "failed", "empty"]), title: z.string(), subtitle: z.string().nullable().optional(), place_label: z.string().nullable().optional(), center_lat: z.number().nullable().optional(), center_lon: z.number().nullable().optional(), surface_date: z.string(), period_start: z.string().nullable().optional(), period_end: z.string().nullable().optional(), image_count: z.number().int().optional(), video_count: z.number().int().optional(), cover_image_id: z.string().nullable().optional(), cover_thumbnail_path: z.string().nullable().optional(), score: z.number().optional(), notified_at: z.string().nullable().optional(), viewed_at: z.string().nullable().optional(), dismissed: z.boolean().optional(), created_at: z.string().nullable().optional()});

export const getMemoriesData = z.object({memories: z.array(memoryCard).optional(), total_count: z.number().int().optional()});

export const getMemoriesResponse = z.object({success: z.boolean(), message: z.string(), data: getMemoriesData});

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 Memories
 * 
 * GET /memories
 */
export const getApiMemories = async (args: GetApiMemoriesArgs, options?: GetApiMemoriesOptions) => {
const {baseUrl = "http://localhost:52123", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.event_type != null) query.append("event_type", String(args.event_type))
if (args.include_viewed != null) query.append("include_viewed", String(args.include_viewed))
if (args.include_dismissed != null) query.append("include_dismissed", String(args.include_dismissed))

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