"use server";

import db from "@/lib/db";
import {
  CreateUserParams,
  InviteUserParams,
  UpdateUserParams,
  User,
  UserResponse,
} from "@/src/models/users/users.model";
import { createClient } from "@/utils/supabase/server";
import { createAdminClient } from "@/utils/supabase/admin";

// Initialize Supabase client with admin key

// Fetch all users
export async function fetchUsers(): Promise<User[]> {
  // const { data, error } = await supabase.auth.admin.listUsers();

  // if (error) {
  //   console.error("Error fetching users:", error);
  //   throw new Error(error.message);
  // }

  // return data.users.map((user) => ({
  //   ...user,
  // })) as User[];

  const users = await db.users.findMany({
    include: {
      profile: true,
    },
  });

  if (!users) {
    throw new Error("Users not found");
  }

  console.log("fetchedUsers");

  return users;
}

// get current user
export async function getCurrentUser(): Promise<UserResponse> {
  const supabase = await createClient();

  const {
    data: { user },
    error,
  } = await supabase.auth.getUser();

  if (error) {
    console.error("Error fetching current user:", error);
    throw new Error(error.message);
  }

  const userDetail = await db.users.findUnique({
    where: {
      id: user?.id,
    },
    include: {
      profile: true,
    },
  });

  if (!userDetail) {
    throw new Error("User not found");
  }

  return {
    data: {
      user: userDetail,
    },
    error: null,
  };
}

// Create a new user
export async function createUser(
  params: CreateUserParams
): Promise<UserResponse> {
  const supabase = createAdminClient();

  const { data, error } = await supabase.auth.admin.createUser({
    email: params.email,
    password: params.password,
    phone: params.phone,
    email_confirm: params.email_confirm,
  });

  if (error) {
    console.error("Error creating user:", error);
    throw new Error(error.message);
  }

  return {
    data: {
      user: data.user,
    },
    error: null,
  };
}

export async function uploadAvatar(userId: string, email: string, file: File) {
  try {
    const supabase = await createClient();

    const fileExt = file.name.split(".").pop();
    const emailName = email.split("@")[0];
    const fileName = `AVR-${emailName}.${fileExt}`;

    // Change this line - store directly in the user's folder
    const filePath = `${userId}/${fileName}`;

    // Upload the avatar to Supabase storage
    const { error: uploadError } = await supabase.storage
      .from("avatars")
      .upload(filePath, file, {
        upsert: true,
        contentType: file.type,
      });

    if (uploadError) {
      console.error("Error uploading avatar:", uploadError);
      throw uploadError;
    }

    // Get the public URL
    const {
      data: { publicUrl },
    } = supabase.storage.from("avatars").getPublicUrl(filePath);

    // Update user profile with the new avatar URL
    await db.users.update({
      where: {
        id: userId,
      },
      data: {
        profile: {
          update: {
            avatar: publicUrl,
          },
        },
      },
    });

    return publicUrl;
  } catch (error) {
    console.error("Error uploading avatar:", error);
    throw error;
  }
}


// Update an existing user
export async function updateUser(
  userId: string,
  params: UpdateUserParams
): Promise<UserResponse> {
  const supabase = createAdminClient();

  const { data, error } = await supabase.auth.admin.updateUserById(userId, {
    email: params.email,
    phone: params.phone,
    password_hash: params.password_hash,
    ban_duration: params.ban_duration,
  });

  if (error) {
    console.error("Error updating user:", error);
    throw new Error(error.message);
  }

  const user = await db.users.findUnique({
    where: {
      id: userId,
    },
    include: {
      profile: true,
    },
  });

  if (!user) {
    throw new Error("User not found");
  }

  const updateUser = await db.users.update({
    where: {
      id: userId,
    },
    data: {
      role: params.role,
      profile: {
        update: {
          avatar: params.profile.avatar || user.profile?.avatar,
          username: params.profile.username || user.profile?.username,
          first_name: params.profile.first_name || user.profile?.first_name,
          last_name: params.profile.last_name || user.profile?.last_name,
          bio: params.profile.bio || user.profile?.bio,
          address: params.profile.address,
          birth_date: params.profile.birth_date || user.profile?.birth_date,
        },
      },
    },
    include: {
      profile: true,
    },
  });

  return {
    data: {
      user: {
        ...data.user,
        role: params.role,
        profile: {
          user_id: userId,
          ...updateUser.profile,
        },
      },
    },
    error: null,
  };
}

// Delete a user
export async function deleteUser(userId: string): Promise<void> {
  const supabase = createAdminClient();

  const { error } = await supabase.auth.admin.deleteUser(userId);

  if (error) {
    console.error("Error deleting user:", error);
    throw new Error(error.message);
  }
}

// Send password recovery email
export async function sendPasswordRecovery(email: string): Promise<void> {
  const supabase = createAdminClient();

  const { error } = await supabase.auth.resetPasswordForEmail(email, {
    redirectTo: `${process.env.NEXT_PUBLIC_SITE_URL}/auth/reset-password`,
  });

  if (error) {
    console.error("Error sending password recovery:", error);
    throw new Error(error.message);
  }
}

// Send magic link
export async function sendMagicLink(email: string): Promise<void> {
  const supabase = createAdminClient();

  const { error } = await supabase.auth.signInWithOtp({
    email,
    options: {
      emailRedirectTo: `${process.env.NEXT_PUBLIC_SITE_URL}/auth/callback`,
    },
  });

  if (error) {
    console.error("Error sending magic link:", error);
    throw new Error(error.message);
  }
}

// Ban a user
export async function banUser(userId: string): Promise<UserResponse> {
  const supabase = createAdminClient();

  // Ban for 100 years (effectively permanent)
  const banUntil = new Date();
  banUntil.setFullYear(banUntil.getFullYear() + 100);

  const { data, error } = await supabase.auth.admin.updateUserById(userId, {
    ban_duration: "100h",
  });

  if (error) {
    console.error("Error banning user:", error);
    throw new Error(error.message);
  }

  return {
    data: {
      user: data.user,
    },
    error: null,
  };
}

// Unban a user
export async function unbanUser(userId: string): Promise<UserResponse> {
  const supabase = createAdminClient();

  const { data, error } = await supabase.auth.admin.updateUserById(userId, {
    ban_duration: "none",
  });

  if (error) {
    console.error("Error unbanning user:", error);
    throw new Error(error.message);
  }

  return {
    data: {
      user: data.user,
    },
    error: null,
  };
}

// Invite a user
export async function inviteUser(params: InviteUserParams): Promise<void> {
  const supabase = createAdminClient();

  const { error } = await supabase.auth.admin.inviteUserByEmail(params.email, {
    redirectTo: `${process.env.NEXT_PUBLIC_SITE_URL}/auth/callback`,
  });

  if (error) {
    console.error("Error inviting user:", error);
    throw new Error(error.message);
  }
}