import {z} from 'zod'

export type ViewCategory = 'system' | 'user';

export type GetApiApiViewsArgs = {order_by?: ('created_datetime:asc' | 'created_datetime:desc') | undefined, cursor?: string | undefined, limit?: number | undefined, category?: ViewCategory | undefined};

export type GetApiApiViewsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const viewDecoration = z.object({emoji: z.string().optional()});

export const viewField = z.enum(["id", "details", "tags", "customer", "last_message", "name", "email", "created", "updated", "assignee", "assignee_team", "channel", "closed", "language", "last_received_message", "integrations", "snooze", "status", "subject", "priority"]);

export const viewSharedWithTeam = z.object({id: z.number().int(), name: z.string(), decoration: z.object({}).optional()});

export const viewSharedWithUser = z.object({id: z.number().int(), name: z.string(), meta: z.object({}).optional()});

export const viewType = z.enum(["ticket-list", "customer-list"]);

export const viewVisibility = z.enum(["public", "shared", "private"]);

export const view = z.object({id: z.number().int(), category: z.string().optional(), created_datetime: z.string().optional(), deactivated_datetime: z.string().optional(), decoration: viewDecoration.optional(), fields: z.array(viewField).optional(), filters: z.string().optional(), name: z.string().optional(), order_by: z.string().optional(), order_dir: z.enum(["asc", "desc"]).optional(), search: z.string().optional(), shared_with_teams: z.array(viewSharedWithTeam).optional(), shared_with_users: z.array(viewSharedWithUser).optional(), slug: z.string().optional(), type: viewType.optional(), uri: z.string(), visibility: viewVisibility.optional()});

export const cursorPaginationMeta = z.object({prev_cursor: z.string(), next_cursor: z.string(), total_resources: z.number().int()});

export const getApiApiViewsResponse = z.object({object: z.string(), uri: z.string(), data: z.array(view), meta: cursorPaginationMeta});

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 views
 * 
 * GET /api/views
 */
export const getApiApiViews = async (args: GetApiApiViewsArgs, options?: GetApiApiViewsOptions) => {
const {baseUrl = "https://your-domain.gorgias.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.order_by != null) query.append("order_by", String(args.order_by))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.category != null) query.append("category", String(args.category))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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