import {z} from 'zod'

export type GetApiBrandsArgs = {cursor?: (string | null) | undefined};

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

export const paging = z.object({cursor: z.string().nullable().optional(), more: z.boolean()});

export const brandColors = z.object({primary: z.string().optional(), secondary: z.string().optional()}).and(z.record(z.string(), z.string()));

export const brandTemplateOverride = z.object({backgroundColor: z.string().nullable().optional(), blocksBackgroundColor: z.string().nullable().optional(), enabled: z.boolean(), footer: z.string().nullable().optional(), head: z.string().nullable().optional(), header: z.string().nullable().optional(), width: z.string().nullable().optional()});

export const emailHead = z.object({inheritDefault: z.boolean(), content: z.string().nullable().optional()});

export const emailFooter = z.object({content: z.string().nullable().optional(), inheritDefault: z.boolean().nullable().optional()});

export const logo = z.object({href: z.string().nullable().optional(), image: z.string().nullable().optional()});

export const emailHeader = z.object({inheritDefault: z.boolean().nullable().optional(), barColor: z.string().nullable().optional(), logo: logo});

export const brandSettingsEmail = z.object({templateOverride: brandTemplateOverride.optional(), head: emailHead.optional(), footer: emailFooter.optional(), header: emailHeader.optional()});

export const inAppPlacement = z.enum(["top", "bottom", "left", "right"]);

export const widgetBackground = z.object({topColor: z.string().nullable().optional(), bottomColor: z.string().nullable().optional()});

export const icons = z.object({bell: z.string().nullable().optional(), message: z.string().nullable().optional()});

export const brandSettingsInApp = z.object({borderRadius: z.string().nullable().optional(), disableMessageIcon: z.boolean().nullable().optional(), fontFamily: z.string().nullable().optional(), placement: inAppPlacement.optional(), widgetBackground: widgetBackground, colors: brandColors, icons: icons});

export const brandSettings = z.object({colors: brandColors.optional(), email: brandSettingsEmail.optional(), inapp: brandSettingsInApp.optional()});

export const brandSnippet = z.object({name: z.string(), value: z.string()});

export const brandSnippets = z.object({items: z.array(brandSnippet).nullable().optional()});

export const brand = z.object({id: z.string(), name: z.string(), published: z.number().int().nullable().optional(), created: z.number().int(), updated: z.number().int(), settings: brandSettings.optional(), snippets: brandSnippets.optional(), version: z.string().nullable().optional()});

export const brandsResponse = z.object({paging: paging, results: z.array(brand)});

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 brands
 * 
 * GET /brands
 */
export const getApiBrands = async (args: GetApiBrandsArgs, options?: GetApiBrandsOptions) => {
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.cursor != null) query.append("cursor", String(args.cursor))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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