<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('teams', function (Blueprint $table) {
            $table->id();
            $table->string('name'); // Tên team
            $table->string('type'); // 'sale' hoặc 'inter'
            $table->unsignedBigInteger('leader_id'); // ID của lead (LEADER_SALE hoặc LEADER_INTER)
            $table->text('description')->nullable();
            $table->timestamps();
            
            $table->foreign('leader_id')->references('id')->on('admins')->onDelete('cascade');
            $table->unique(['leader_id']); // Mỗi lead chỉ có 1 team
        });

        Schema::create('team_members', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('team_id');
            $table->unsignedBigInteger('admin_id'); // ID của thành viên (SALE hoặc INTER)
            $table->timestamps();
            
            $table->foreign('team_id')->references('id')->on('teams')->onDelete('cascade');
            $table->foreign('admin_id')->references('id')->on('admins')->onDelete('cascade');
            $table->unique(['team_id', 'admin_id']); // Mỗi thành viên chỉ thuộc 1 team
        });

        // Thêm team_id vào bảng admins
        Schema::table('admins', function (Blueprint $table) {
            $table->unsignedBigInteger('team_id')->nullable()->after('role');
            $table->foreign('team_id')->references('id')->on('teams')->onDelete('set null');
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::table('admins', function (Blueprint $table) {
            $table->dropForeign(['team_id']);
            $table->dropColumn('team_id');
        });
        
        Schema::dropIfExists('team_members');
        Schema::dropIfExists('teams');
    }
};