import {z} from 'zod'

export type GetApiNotificationsIdArgs = {id: string, version?: string | undefined};

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

export const textAlign = z.enum(["left", "center", "right"]);

export const textStyle = z.enum(["text", "h1", "h2", "subtext"]);

export const locale = z.object({content: z.string()});

export const locales = z.record(z.string(), locale).nullable();

export const iAlignment = z.enum(["center", "left", "right", "full"]);

export const iActionButtonStyle = z.enum(["button", "link"]);

export const elementalNode = z.union([z.object({type: z.literal("text"), content: z.string(), align: textAlign, text_style: textStyle.optional(), color: z.string().nullable().optional(), bold: z.string().nullable().optional(), italic: z.string().nullable().optional(), strikethrough: z.string().nullable().optional(), underline: z.string().nullable().optional(), font_size: z.string().nullable().optional(), line_height: z.string().nullable().optional(), locales: locales.optional(), format: z.literal("markdown").nullable().optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("meta"), title: z.string().nullable().optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("channel"), channel: z.string(), padding: z.string().nullable().optional(), font_size: z.string().nullable().optional(), line_height: z.string().nullable().optional(), raw: z.record(z.string(), z.unknown()).nullable().optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("image"), src: z.string(), href: z.string().nullable().optional(), align: iAlignment.optional(), altText: z.string().nullable().optional(), width: z.string().nullable().optional(), border_color: z.string().nullable().optional(), border_size: z.string().nullable().optional(), padding: z.string().nullable().optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("action"), content: z.string(), href: z.string(), action_id: z.string().nullable().optional(), align: iAlignment.nullable().optional(), background_color: z.string().nullable().optional(), border_radius: z.string().nullable().optional(), border_size: z.string().nullable().optional(), font_size: z.string().nullable().optional(), padding: z.string().nullable().optional(), disable_tracking: z.boolean().nullable().optional(), style: iActionButtonStyle.nullable().optional(), locales: locales, channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("divider"), color: z.string().nullable().optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("quote"), content: z.string(), align: iAlignment.optional(), borderColor: z.string().nullable().optional(), text_style: textStyle, font_size: z.string().nullable().optional(), line_height: z.string().nullable().optional(), locales: locales, channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()}), z.object({type: z.literal("html"), content: z.string(), locales: locales.optional(), channels: z.array(z.string()).nullable().optional(), ref: z.string().nullable().optional(), if: z.string().nullable().optional(), loop: z.string().nullable().optional()})]);

export const elementalContent = z.object({version: z.string(), elements: z.array(elementalNode)});

export const notificationTemplateAlias = z.union([z.string(), z.array(z.string())]);

export const notificationTemplateResponse = z.object({name: z.string(), tags: z.array(z.string()), brand: z.object({id: z.string()}).nullable(), subscription: z.object({topic_id: z.string()}).nullable(), routing: z.object({strategy_id: z.string()}).nullable(), content: elementalContent, alias: notificationTemplateAlias.optional(), id: z.string(), state: z.enum(["DRAFT", "PUBLISHED"]), created: z.number().int(), creator: z.string(), updated: z.number().int().optional(), updater: z.string().optional()});

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 Notification Template
 * 
 * GET /notifications/{id}
 */
export const getApiNotificationsId = async (args: GetApiNotificationsIdArgs, options?: GetApiNotificationsIdOptions) => {
const {baseUrl = "https://api.courier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.version != null) query.append("version", String(args.version))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/notifications/${encodeURIComponent(String(args.id))}${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(notificationTemplateResponse, await res.json())
};