<?php

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

class CreateAssignmentsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('assignments', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->integer('faculty_id')->unsigned()->nullable();
            $table->integer('program_id')->unsigned()->nullable();
            $table->integer('session_id')->unsigned()->nullable();
            $table->integer('semester_id')->unsigned()->nullable();
            $table->integer('section_id')->unsigned()->nullable();
            $table->bigInteger('subject_id')->unsigned();
            $table->string('title');
            $table->longText('description')->nullable();
            $table->decimal('total_marks',5,2)->nullable();
            $table->date('start_date')->nullable();
            $table->date('end_date')->nullable();
            $table->text('attach')->nullable();
            $table->boolean('status')->default('1');
            $table->bigInteger('assign_by')->unsigned();
            $table->timestamps();

            $table->foreign('subject_id')->references('id')->on('subjects')->onDelete('cascade');
            $table->foreign('assign_by')->references('id')->on('users')->onDelete('cascade');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('assignments');
    }
}