sass-mohfarawati/app/_admin/site-settings/actions.ts

"use server";

import { MediaUsageType } from "@/lib/db/enums";
import { revalidatePath } from "next/cache";
import { redirect } from "next/navigation";
import { isRedirectError } from "next/dist/client/components/redirect-error";

import {
  SITE_SETTINGS_DEFAULT_OG_IMAGE_FIELD_KEY,
  SITE_SETTINGS_ENTITY_ID,
  SITE_SETTINGS_ENTITY_TYPE,
  SITE_SETTINGS_FAVICON_FIELD_KEY,
  SITE_SETTINGS_LOGO_DARK_FIELD_KEY,
  SITE_SETTINGS_LOGO_LIGHT_FIELD_KEY,
  getSeoSettings,
  getSiteSettings,
  updateSeoSettings,
  updateSiteSettings,
} from "@/lib/app-config";
import { getAdminAppPath, toInternalAdminPath } from "@/lib/admin-routing";
import { withFlash } from "@/lib/admin-feedback";
import {
  PAGE_TITLE_TOKEN,
  normalizeSiteDefaultLocale,
  normalizeSitePrimaryColor,
  type SiteSettings,
} from "@/lib/site-settings";
import { clearAdminSessionCookie, isAdminAuthenticated } from "@/lib/admin-auth";
import {
  normalizeKeywords,
  normalizeSameAs,
  normalizeStructuredDataType,
  normalizeTwitterHandle,
  normalizeVerificationToken,
  type SeoSettings,
} from "@/lib/seo-settings";
import { isCheckedFormValue } from "@/lib/form-data";
import { replaceEntityMediaUsages } from "@/lib/media";
import { resolveMediaSelection } from "@/lib/media-service";
import { routing } from "@/i18n/routing";
import { getLocalizedPath } from "@/lib/locale";
import { removeManagedMediaFile } from "@/lib/media-storage";
import { mediaFieldInputSchema } from "@/lib/media-validation";
import { inArray } from "drizzle-orm";

import { db } from "@/lib/db";
import { mediaAsset } from "@/lib/db/schema";

async function ensureAdmin() {
  if (!(await isAdminAuthenticated())) {
    await clearAdminSessionCookie();
    redirect(getAdminAppPath("/"));
  }
}


function parseJsonObject(rawValue: FormDataEntryValue | null, key: string) {
  if (typeof rawValue !== "string" || rawValue.trim() === "") {
    return undefined;
  }

  try {
    const parsed = JSON.parse(rawValue);

    if (!parsed || Array.isArray(parsed) || typeof parsed !== "object") {
      throw new Error(`${key} must be an object.`);
    }

    return parsed;
  } catch {
    throw new Error(`Invalid ${key} payload.`);
  }
}

async function cleanupCreatedMedia(assetIds: string[], uploadedPaths: string[]) {
  if (assetIds.length > 0) {
    await db.delete(mediaAsset).where(inArray(mediaAsset.id, Array.from(new Set(assetIds))));
  }

  for (const filePath of Array.from(new Set(uploadedPaths.filter(Boolean)))) {
    await removeManagedMediaFile(filePath);
  }
}

async function revalidateSiteSettingsPages(defaultLocale: SiteSettings["defaultLocale"]) {
  revalidatePath("/", "layout");
  revalidatePath(toInternalAdminPath("/"));
  revalidatePath(toInternalAdminPath("/site-settings"));
  revalidatePath("/coming-soon");

  const publicPaths = ["/", "/about", "/portfolio", "/contact", "/success", "/coming-soon"];

  for (const locale of routing.locales) {
    revalidatePath(getLocalizedPath(locale, "/", defaultLocale), "layout");

    for (const path of publicPaths) {
      revalidatePath(getLocalizedPath(locale, path, defaultLocale));
    }
  }
}

export async function saveSiteSettingsAction(formData: FormData) {
  return saveSiteBrandSettingsAction(formData);
}

export async function saveSiteBrandSettingsAction(formData: FormData) {
  await ensureAdmin();

  const createdMediaAssetIds: string[] = [];
  const uploadedPaths: string[] = [];

  try {
    const currentSettings = await getSiteSettings();
    const siteLogoLightMedia = parseJsonObject(formData.get("siteLogoLightMedia"), "siteLogoLightMedia");
    const siteLogoDarkMedia = parseJsonObject(formData.get("siteLogoDarkMedia"), "siteLogoDarkMedia");
    const faviconMedia = parseJsonObject(formData.get("faviconMedia"), "faviconMedia");
    const defaultOgImageMedia = parseJsonObject(
      formData.get("defaultOgImageMedia"),
      "defaultOgImageMedia",
    );

    const parsedSettings: SiteSettings = {
      ...currentSettings,
      brand: {
        primaryColor: normalizeSitePrimaryColor(formData.get("primaryColor")),
      },
    };

    const siteLogoLightSelection = siteLogoLightMedia
      ? await resolveMediaSelection({
          media: mediaFieldInputSchema.parse(siteLogoLightMedia),
          uploadFile: formData.get("siteLogoLightFile"),
          folder: "site-settings",
          fallbackLabel: `${parsedSettings.locales.de.siteName || parsedSettings.locales.en.siteName} logo light`,
          required: false,
        })
      : {
          assetId: null,
          url: "",
          createdAssetId: null,
          uploadedUrl: null,
        };

    const siteLogoDarkSelection = siteLogoDarkMedia
      ? await resolveMediaSelection({
          media: mediaFieldInputSchema.parse(siteLogoDarkMedia),
          uploadFile: formData.get("siteLogoDarkFile"),
          folder: "site-settings",
          fallbackLabel: `${parsedSettings.locales.de.siteName || parsedSettings.locales.en.siteName} logo dark`,
          required: false,
        })
      : {
          assetId: null,
          url: "",
          createdAssetId: null,
          uploadedUrl: null,
        };

    const faviconSelection = faviconMedia
      ? await resolveMediaSelection({
          media: mediaFieldInputSchema.parse(faviconMedia),
          uploadFile: formData.get("faviconFile"),
          folder: "site-settings",
          fallbackLabel: `${parsedSettings.locales.de.siteName || parsedSettings.locales.en.siteName} favicon`,
          required: false,
        })
      : {
          assetId: null,
          url: "",
          createdAssetId: null,
          uploadedUrl: null,
        };

    const defaultOgImageSelection = defaultOgImageMedia
      ? await resolveMediaSelection({
          media: mediaFieldInputSchema.parse(defaultOgImageMedia),
          uploadFile: formData.get("defaultOgImageFile"),
          folder: "site-settings",
          fallbackLabel: `${parsedSettings.locales.de.siteName || parsedSettings.locales.en.siteName} og-image`,
          required: false,
        })
      : {
          assetId: null,
          url: "",
          createdAssetId: null,
          uploadedUrl: null,
        };

    if (siteLogoLightSelection.createdAssetId) {
      createdMediaAssetIds.push(siteLogoLightSelection.createdAssetId);
    }

    if (siteLogoLightSelection.uploadedUrl) {
      uploadedPaths.push(siteLogoLightSelection.uploadedUrl);
    }

    if (siteLogoDarkSelection.createdAssetId) {
      createdMediaAssetIds.push(siteLogoDarkSelection.createdAssetId);
    }

    if (siteLogoDarkSelection.uploadedUrl) {
      uploadedPaths.push(siteLogoDarkSelection.uploadedUrl);
    }

    if (faviconSelection.createdAssetId) {
      createdMediaAssetIds.push(faviconSelection.createdAssetId);
    }

    if (faviconSelection.uploadedUrl) {
      uploadedPaths.push(faviconSelection.uploadedUrl);
    }

    if (defaultOgImageSelection.createdAssetId) {
      createdMediaAssetIds.push(defaultOgImageSelection.createdAssetId);
    }

    if (defaultOgImageSelection.uploadedUrl) {
      uploadedPaths.push(defaultOgImageSelection.uploadedUrl);
    }

    await updateSiteSettings(parsedSettings);
    await replaceEntityMediaUsages({
      entityType: SITE_SETTINGS_ENTITY_TYPE,
      entityId: SITE_SETTINGS_ENTITY_ID,
      usages: [
        ...(siteLogoLightSelection.assetId
          ? [
              {
                assetId: siteLogoLightSelection.assetId,
                usageType: MediaUsageType.GENERIC,
                fieldKey: SITE_SETTINGS_LOGO_LIGHT_FIELD_KEY,
              },
            ]
          : []),
        ...(siteLogoDarkSelection.assetId
          ? [
              {
                assetId: siteLogoDarkSelection.assetId,
                usageType: MediaUsageType.GENERIC,
                fieldKey: SITE_SETTINGS_LOGO_DARK_FIELD_KEY,
              },
            ]
          : []),
        ...(faviconSelection.assetId
          ? [
              {
                assetId: faviconSelection.assetId,
                usageType: MediaUsageType.GENERIC,
                fieldKey: SITE_SETTINGS_FAVICON_FIELD_KEY,
              },
            ]
          : []),
        ...(defaultOgImageSelection.assetId
          ? [
              {
                assetId: defaultOgImageSelection.assetId,
                usageType: MediaUsageType.GENERIC,
                fieldKey: SITE_SETTINGS_DEFAULT_OG_IMAGE_FIELD_KEY,
              },
            ]
          : []),
      ],
    });

    await revalidateSiteSettingsPages(parsedSettings.defaultLocale);
    redirect(withFlash(getAdminAppPath("/site-settings/brand"), { success: "Einstellungen gespeichert." }));
  } catch (error) {
    if (isRedirectError(error)) {
      throw error;
    }

    await cleanupCreatedMedia(createdMediaAssetIds, uploadedPaths);

    const message =
      error instanceof Error
        ? error.message
        : "Einstellungen konnten nicht gespeichert werden.";

    redirect(withFlash(getAdminAppPath("/site-settings/brand"), { error: message }));
  }
}

export async function saveSiteLocalizationSettingsAction(formData: FormData) {
  await ensureAdmin();

  try {
    const requestedDefaultLocale = String(formData.get("defaultLocale") ?? "");
    const currentSettings = await getSiteSettings();
    const parsedSettings: SiteSettings = {
      ...currentSettings,
      defaultLocale: normalizeSiteDefaultLocale(requestedDefaultLocale),
      locales: {
        ar: {
          siteName: String(formData.get("siteNameAr") ?? "").trim(),
          titleTemplate: String(formData.get("titleTemplateAr") ?? "").trim(),
          siteDescription: String(formData.get("siteDescriptionAr") ?? "").trim(),
          subhead: String(formData.get("subheadAr") ?? "").trim(),
        },
        en: {
          siteName: String(formData.get("siteNameEn") ?? "").trim(),
          titleTemplate: String(formData.get("titleTemplateEn") ?? "").trim(),
          siteDescription: String(formData.get("siteDescriptionEn") ?? "").trim(),
          subhead: String(formData.get("subheadEn") ?? "").trim(),
        },
        de: {
          siteName: String(formData.get("siteNameDe") ?? "").trim(),
          titleTemplate: String(formData.get("titleTemplateDe") ?? "").trim(),
          siteDescription: String(formData.get("siteDescriptionDe") ?? "").trim(),
          subhead: String(formData.get("subheadDe") ?? "").trim(),
        },
      },
    };

    for (const locale of routing.locales) {
      if (!parsedSettings.locales[locale].siteName) {
        throw new Error(`Site Name fuer ${locale} ist erforderlich.`);
      }

      if (
        !parsedSettings.locales[locale].titleTemplate ||
        !parsedSettings.locales[locale].titleTemplate.includes(PAGE_TITLE_TOKEN)
      ) {
        throw new Error(`Title Template fuer ${locale} muss {pageTitle} enthalten.`);
      }
    }

    await updateSiteSettings(parsedSettings);
    await revalidateSiteSettingsPages(parsedSettings.defaultLocale);
    redirect(withFlash(getAdminAppPath("/site-settings/localization"), { success: "Einstellungen gespeichert." }));
  } catch (error) {
    if (isRedirectError(error)) {
      throw error;
    }

    const message =
      error instanceof Error
        ? error.message
        : "Einstellungen konnten nicht gespeichert werden.";

    redirect(withFlash(getAdminAppPath("/site-settings/localization"), { error: message }));
  }
}

export async function saveSeoSettingsAction(formData: FormData) {
  await ensureAdmin();

  try {
    const currentSettings = await getSeoSettings();
    const googleRaw = String(formData.get("googleSiteVerification") ?? "").trim();
    const bingRaw = String(formData.get("bingSiteVerification") ?? "").trim();
    const twitterRaw = String(formData.get("twitterHandle") ?? "").trim();
    const googleSiteVerification = normalizeVerificationToken(googleRaw);
    const bingSiteVerification = normalizeVerificationToken(bingRaw);
    const twitterHandle = normalizeTwitterHandle(twitterRaw);

    if (googleRaw && !googleSiteVerification) {
      throw new Error("Google Verification Code darf nur Buchstaben, Zahlen, - und _ enthalten.");
    }

    if (bingRaw && !bingSiteVerification) {
      throw new Error("Bing Verification Code darf nur Buchstaben, Zahlen, - und _ enthalten.");
    }

    if (twitterRaw && !twitterHandle) {
      throw new Error("X/Twitter Handle ist ungueltig (max. 15 Zeichen, Buchstaben/Zahlen/_).");
    }

    const parsedSettings: SeoSettings = {
      ...currentSettings,
      allowIndexing: isCheckedFormValue(formData.get("allowIndexing")),
      googleSiteVerification,
      bingSiteVerification,
      twitterHandle,
      structuredDataType: normalizeStructuredDataType(formData.get("structuredDataType")),
      structuredDataName: String(formData.get("structuredDataName") ?? "").trim().slice(0, 120),
      structuredDataJobTitle: String(formData.get("structuredDataJobTitle") ?? "").trim().slice(0, 160),
      sameAs: normalizeSameAs(formData.get("sameAs")),
      locales: {
        ar: { keywords: normalizeKeywords(formData.get("keywordsAr")) },
        en: { keywords: normalizeKeywords(formData.get("keywordsEn")) },
        de: { keywords: normalizeKeywords(formData.get("keywordsDe")) },
      },
    };

    await updateSeoSettings(parsedSettings);
    const siteSettings = await getSiteSettings();
    await revalidateSiteSettingsPages(siteSettings.defaultLocale);
    revalidatePath("/sitemap.xml");
    revalidatePath("/robots.txt");
    revalidatePath(toInternalAdminPath("/site-settings/seo"));
    redirect(withFlash(getAdminAppPath("/site-settings/seo"), { success: "SEO Einstellungen gespeichert." }));
  } catch (error) {
    if (isRedirectError(error)) {
      throw error;
    }

    const message =
      error instanceof Error ? error.message : "SEO Einstellungen konnten nicht gespeichert werden.";

    redirect(withFlash(getAdminAppPath("/site-settings/seo"), { error: message }));
  }
}