import {
  SITE_SETTINGS_BANNER_ID,
  type TSiteSettingsBannerSchema,
  ZSiteSettingsBannerSchema,
} from '@documenso/lib/server-only/site-settings/schemas/banner';
import { trpc as trpcReact } from '@documenso/trpc/react';
import { Button } from '@documenso/ui/primitives/button';
import { ColorPicker } from '@documenso/ui/primitives/color-picker';
import {
  Form,
  FormControl,
  FormDescription,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from '@documenso/ui/primitives/form/form';
import { Switch } from '@documenso/ui/primitives/switch';
import { Textarea } from '@documenso/ui/primitives/textarea';
import { useToast } from '@documenso/ui/primitives/use-toast';
import { zodResolver } from '@hookform/resolvers/zod';
import { msg } from '@lingui/core/macro';
import { useLingui } from '@lingui/react';
import { Trans } from '@lingui/react/macro';
import { useForm } from 'react-hook-form';
import { useRevalidator } from 'react-router';
import type { z } from 'zod';

import { useCspNonce } from '~/utils/nonce';

const ZBannerFormSchema = ZSiteSettingsBannerSchema;

type TBannerFormSchema = z.infer<typeof ZBannerFormSchema>;

type AdminSiteBannerSectionProps = {
  banner: TSiteSettingsBannerSchema | undefined;
};

export const AdminSiteBannerSection = ({ banner }: AdminSiteBannerSectionProps) => {
  const nonce = useCspNonce();

  const { toast } = useToast();
  const { _ } = useLingui();
  const { revalidate } = useRevalidator();

  const form = useForm<TBannerFormSchema>({
    resolver: zodResolver(ZBannerFormSchema),
    defaultValues: {
      id: SITE_SETTINGS_BANNER_ID,
      enabled: banner?.enabled ?? false,
      data: {
        content: banner?.data?.content ?? '',
        bgColor: banner?.data?.bgColor ?? '#000000',
        textColor: banner?.data?.textColor ?? '#FFFFFF',
      },
    },
  });

  const enabled = form.watch('enabled');

  const { mutateAsync: updateSiteSetting, isPending: isUpdateSiteSettingLoading } =
    trpcReact.admin.updateSiteSetting.useMutation();

  const onBannerUpdate = async ({ id, enabled, data }: TBannerFormSchema) => {
    try {
      await updateSiteSetting({
        id,
        enabled,
        data,
      });

      toast({
        title: _(msg`Banner Updated`),
        description: _(msg`Your banner has been updated successfully.`),
        duration: 5000,
      });

      await revalidate();
    } catch (err) {
      toast({
        title: _(msg`An unknown error occurred`),
        variant: 'destructive',
        description: _(
          msg`We encountered an unknown error while attempting to update the banner. Please try again later.`,
        ),
      });
    }
  };

  return (
    <div>
      <h2 className="font-semibold">
        <Trans>Site Banner</Trans>
      </h2>
      <p className="mt-2 text-muted-foreground text-sm">
        <Trans>
          The site banner is a message that is shown at the top of the site. It can be used to display important
          information to your users.
        </Trans>
      </p>

      <Form {...form}>
        <form className="mt-4 flex flex-col rounded-md" onSubmit={form.handleSubmit(onBannerUpdate)}>
          <div className="mt-4 flex flex-col gap-4 md:flex-row">
            <FormField
              control={form.control}
              name="enabled"
              render={({ field }) => (
                <FormItem className="flex-1">
                  <FormLabel>
                    <Trans>Enabled</Trans>
                  </FormLabel>

                  <FormControl>
                    <div>
                      <Switch checked={field.value} onCheckedChange={field.onChange} />
                    </div>
                  </FormControl>
                </FormItem>
              )}
            />

            <fieldset className="flex flex-col gap-4 md:flex-row" disabled={!enabled} aria-disabled={!enabled}>
              <FormField
                control={form.control}
                name="data.bgColor"
                render={({ field }) => (
                  <FormItem>
                    <FormLabel>
                      <Trans>Background Color</Trans>
                    </FormLabel>

                    <FormControl>
                      <div>
                        <ColorPicker {...field} nonce={nonce} />
                      </div>
                    </FormControl>

                    <FormMessage />
                  </FormItem>
                )}
              />

              <FormField
                control={form.control}
                name="data.textColor"
                render={({ field }) => (
                  <FormItem>
                    <FormLabel>
                      <Trans>Text Color</Trans>
                    </FormLabel>

                    <FormControl>
                      <div>
                        <ColorPicker {...field} nonce={nonce} />
                      </div>
                    </FormControl>

                    <FormMessage />
                  </FormItem>
                )}
              />
            </fieldset>
          </div>

          <fieldset disabled={!enabled} aria-disabled={!enabled}>
            <FormField
              control={form.control}
              name="data.content"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>
                    <Trans>Content</Trans>
                  </FormLabel>

                  <FormControl>
                    <Textarea className="h-32 resize-none" {...field} />
                  </FormControl>

                  <FormDescription>
                    <Trans>The content to show in the banner, HTML is allowed</Trans>
                  </FormDescription>

                  <FormMessage />
                </FormItem>
              )}
            />
          </fieldset>

          <Button type="submit" loading={isUpdateSiteSettingLoading} className="mt-4 justify-end self-end">
            <Trans>Update Banner</Trans>
          </Button>
        </form>
      </Form>
    </div>
  );
};