import { createFileRoute } from "@tanstack/react-router";
import { msg } from "@lingui/core/macro";
import { superTokensRequestMiddleware } from "@/utils/supertokens";
import { pbAdmin } from "@/lib/pocketbase/client";
import { logger } from "@/lib/logger";
import { localizedFor } from "@/lib/i18n/server-messages";
import { z } from "zod";

const uploadSchema = z.object({
  tournamentId: z.string().min(1, "Tournament ID is required"),
});

export const Route = createFileRoute("/api/tournaments/upload-logo")({
  server: {
    middleware: [superTokensRequestMiddleware],
    handlers: {
      POST: async ({ request, context }) => {
        const i18n = localizedFor(context.metadata);
        try {
          const userId = context.userAuthId;
          const isAdmin = context.roles.includes("Admin");

          if (!userId) return new Response("Unauthenticated", { status: 401 });
          if (!isAdmin) return new Response("Unauthorized", { status: 403 });

          const formData = await request.formData();
          const tournamentId = formData.get("tournamentId") as string;
          const logoFile = formData.get("logo") as File;

          const validationResult = uploadSchema.safeParse({ tournamentId });
          if (!validationResult.success) {
            return new Response(
              JSON.stringify({
                error: i18n._(msg`Invalid input`),
                details: validationResult.error.issues,
              }),
              {
                status: 400,
                headers: { "Content-Type": "application/json" },
              }
            );
          }

          if (!logoFile || logoFile.size === 0) {
            return new Response(
              JSON.stringify({
                error: i18n._(msg`Logo file is required`),
              }),
              {
                status: 400,
                headers: { "Content-Type": "application/json" },
              }
            );
          }

          const allowedTypes = [
            "image/jpeg",
            "image/jpg",
            "image/png",
            "image/gif",
          ];
          if (!allowedTypes.includes(logoFile.type)) {
            return new Response(
              JSON.stringify({
                error: i18n._(
                  msg`Invalid file type. Only JPEG, PNG and GIF are allowed.`
                ),
              }),
              {
                status: 400,
                headers: { "Content-Type": "application/json" },
              }
            );
          }

          const maxSize = 10 * 1024 * 1024;
          if (logoFile.size > maxSize) {
            return new Response(
              JSON.stringify({
                error: i18n._(msg`File too large. Maximum size is 10MB.`),
              }),
              {
                status: 400,
                headers: { "Content-Type": "application/json" },
              }
            );
          }

          const tournament = await pbAdmin.getTournament(tournamentId);
          if (!tournament) {
            return new Response(
              JSON.stringify({
                error: i18n._(msg`Tournament not found`),
              }),
              {
                status: 404,
                headers: { "Content-Type": "application/json" },
              }
            );
          }

          logger.info("Uploading tournament logo", {
            tournamentId,
            fileName: logoFile.name,
            fileSize: logoFile.size,
            userId,
          });

          const pbFormData = new FormData();
          pbFormData.append("logo", logoFile);

          const updatedTournament = await pbAdmin.updateTournament(
            tournamentId,
            pbFormData as any
          );

          logger.info("Tournament logo uploaded successfully", {
            tournamentId,
            logo: updatedTournament.logo,
          });

          return new Response(
            JSON.stringify({
              success: true,
              tournament: updatedTournament,
              message: "Logo uploaded successfully",
            }),
            {
              status: 200,
              headers: { "Content-Type": "application/json" },
            }
          );
        } catch (error: any) {
          logger.error("Error uploading tournament logo:", error);

          return new Response(
            JSON.stringify({
              error: i18n._(msg`Failed to upload logo`),
              message: error.message || i18n._(msg`Unknown error occurred`),
            }),
            {
              status: 500,
              headers: { "Content-Type": "application/json" },
            }
          );
        }
      },
    },
  },
});