"use server";

import { createClient } from "@/utils/supabase/server";
import { encodedRedirect } from "@/utils/utils";
import { headers } from "next/headers";
import { redirect } from "next/navigation";
import AdminNotification from "../_components/email-templates/admin-notification";
import UserConfirmation from "../_components/email-templates/user-confirmation";
import { render } from "@react-email/components";
import { useResend } from "../_hooks/use-resend";
import { typeMessageMap } from "@/src/entities/models/contact-us.model";

export const signInAction = async (formData: { email: string }) => {
  const supabase = await createClient();
  const encodeEmail = encodeURIComponent(formData.email);

  try {
    // First, check for existing session
    const {
      data: { session },
      error: sessionError,
    } = await supabase.auth.getSession();

    // If there's an active session and the email matches
    if (session && session.user.email === formData.email) {
      return {
        success: true,
        message: "Already logged in",
        redirectTo: "/protected/dashboard", // or wherever you want to redirect logged in users
      };
    }

    // If no active session or different email, proceed with OTP
    const { data, error } = await supabase.auth.signInWithOtp({
      email: formData.email,
      options: {
        shouldCreateUser: false,
      },
    });

    if (error) {
      return {
        success: false,
        error: error.message,
        redirectTo: `/verify-otp?email=${encodeEmail}`,
      };
    }

    return {
      success: true,
      message: "OTP has been sent to your email",
      redirectTo: `/verify-otp?email=${encodeEmail}`,
    };
  } catch (error) {
    return {
      success: false,
      error: "An unexpected error occurred",
      redirectTo: "/sign-in",
    };
  }
};

export const signUpAction = async (formData: FormData) => {
    const email = formData.get("email")?.toString();
    const password = formData.get("password")?.toString();
    const supabase = await createClient();
    const origin = (await headers()).get("origin");
  
    if (!email || !password) {
      return encodedRedirect(
        "error",
        "/sign-up",
        "Email and password are required",
      );
    }
  
    const { error } = await supabase.auth.signUp({
      email,
      password,
      options: {
        emailRedirectTo: `${origin}/auth/callback`,
      },
    });
  
    if (error) {
      console.error(error.code + " " + error.message);
      return encodedRedirect("error", "/sign-up", error.message);
    } else {
      return encodedRedirect(
        "success",
        "/sign-up",
        "Thanks for signing up! Please check your email for a verification link.",
      );
    }
  };
  

export const checkSession = async () => {
    const supabase = await createClient();
  
    try {
      const {
        data: { session },
        error,
      } = await supabase.auth.getSession();
  
      if (error) {
        return {
          success: false,
          error: error.message,
        };
      }
  
      if (session) {
        return {
          success: true,
          session,
          redirectTo: "/protected/dashboard", // or your preferred authenticated route
        };
      }
  
      return {
        success: false,
        message: "No active session",
      };
    } catch (error) {
      return {
        success: false,
        error: "An unexpected error occurred",
      };
    }
  };

  export const forgotPasswordAction = async (formData: FormData) => {
    const email = formData.get("email")?.toString();
    const supabase = await createClient();
    const origin = (await headers()).get("origin");
    const callbackUrl = formData.get("callbackUrl")?.toString();
  
    if (!email) {
      return encodedRedirect("error", "/forgot-password", "Email is required");
    }
  
    const { error } = await supabase.auth.resetPasswordForEmail(email, {
      redirectTo: `${origin}/auth/callback?redirect_to=/protected/reset-password`,
    });
  
    if (error) {
      console.error(error.message);
      return encodedRedirect(
        "error",
        "/forgot-password",
        "Could not reset password"
      );
    }
  
    if (callbackUrl) {
      return redirect(callbackUrl);
    }
  
    return encodedRedirect(
      "success",
      "/forgot-password",
      "Check your email for a link to reset your password."
    );
  };

  export const resetPasswordAction = async (formData: FormData) => {
    const supabase = await createClient();
  
    const password = formData.get("password") as string;
    const confirmPassword = formData.get("confirmPassword") as string;
  
    if (!password || !confirmPassword) {
      encodedRedirect(
        "error",
        "/protected/reset-password",
        "Password and confirm password are required"
      );
    }
  
    if (password !== confirmPassword) {
      encodedRedirect(
        "error",
        "/protected/reset-password",
        "Passwords do not match"
      );
    }
  
    const { error } = await supabase.auth.updateUser({
      password: password,
    });
  
    if (error) {
      encodedRedirect(
        "error",
        "/protected/reset-password",
        "Password update failed"
      );
    }
  
    encodedRedirect("success", "/protected/reset-password", "Password updated");
  };

  export const verifyOtpAction = async (formData: FormData) => {
    const email = formData.get("email") as string;
    const token = formData.get("token") as string;
    const supabase = await createClient();
  
    console.log("email", email);
    console.log("token", token);
  
    if (!email || !token) {
      redirect("/error?message=Email and OTP are required");
    }
  
    const {
      data: { session },
      error,
    } = await supabase.auth.verifyOtp({
      email,
      token,
      type: "email",
    });
  
    if (error) {
      return redirect(`/verify-otp?error=${encodeURIComponent(error.message)}`);
    }
  
    return redirect("/protected/dashboard?message=OTP verified successfully");
  };
  
  export async function sendContactEmail(formData: {
    name: string;
    email: string;
    phone: string;
    typeMessage: string;
    message: string;
  }) {
    try {
      // Initialize Supabase
      const supabase = await createClient();
      const { resend } = useResend();
  
      // Get message type label
      const messageTypeLabel =
        typeMessageMap.get(formData.typeMessage) || "Unknown";
  
      // Save to Supabase
      const { data: contactData, error: contactError } = await supabase
        .from("contact_messages")
        .insert([
          {
            name: formData.name,
            email: formData.email,
            phone: formData.phone,
            message_type: formData.typeMessage,
            message_type_label: messageTypeLabel,
            message: formData.message,
            status: "new",
          },
        ])
        .select();
  
      if (contactError) {
        console.error("Error saving contact message to Supabase:", contactError);
        return {
          success: false,
          error: "Failed to save your message. Please try again later.",
        };
      }
  
      // Render admin email template
      const adminEmailHtml = await render(
        AdminNotification({
          name: formData.name,
          email: formData.email,
          phone: formData.phone,
          messageType: messageTypeLabel,
          message: formData.message,
        })
      );
  
      // Send email to admin
      const { data: emailData, error: emailError } = await resend.emails.send({
        from: "Contact Form <contact@backspacex.tech>",
        to: ["xdamazon17@gmail.com"],
        subject: `New Contact Form Submission: ${messageTypeLabel}`,
        html: adminEmailHtml,
      });
  
      if (emailError) {
        console.error("Error sending email via Resend:", emailError);
        // Note: We don't return error here since the data is already saved to Supabase
      }
  
      const userEmailHtml = await render(
        UserConfirmation({
          name: formData.name,
          messageType: messageTypeLabel,
          message: formData.message,
        })
      );
  
      // Send confirmation email to user
      const { data: confirmationData, error: confirmationError } =
        await resend.emails.send({
          from: "Your Company <support@backspacex.tech>",
          to: [formData.email],
          subject: "Thank you for contacting us",
          html: userEmailHtml,
        });
  
      if (confirmationError) {
        console.error("Error sending confirmation email:", confirmationError);
        // Note: We don't return error here either
      }
  
      return {
        success: true,
        message: "Your message has been sent successfully!",
      };
    } catch (error) {
      console.error("Unexpected error in sendContactEmail:", error);
      return {
        success: false,
        error: "An unexpected error occurred. Please try again later.",
      };
    }
  }

  export const signOutAction = async () => {
    const supabase = await createClient();
    await supabase.auth.signOut();
    return redirect("/sign-in");
  };