<?php

use Illuminate\Database\Seeder;
use Carbon\Carbon;

class TestMemberStatesTableSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        // Iterate through existing People and randomly assign their ids
        // once or twice.
        foreach (App\Person::all() as $person) {

            // randomly decide if person has a state.
            $personHasState = rand_bool(88);

            if($personHasState) {
                // if Person has a State, decide if it has one or two.
                $numberOfStates = rand(1,2);

                if($numberOfStates > 1) {
                    $this->createPerson($person->id, $numberOfStates);
                } else {
                    $this->createPerson($person->id, $numberOfStates);
                }
            }
        }
    }

    public function createPerson($id, $numberOfStates = 1)
    {
        // Manually create faker Instance since you can't control iterations
        // in Factory-Files.
        $faker = Faker\Factory::create();

        $startDate = "2014-04-01";

        if($numberOfStates > 1) {
            // If member has 2 states, the first one must be a few years in the past.
            $lastLeaving = "2015-12-30";
            $firstSecondJoiningDate = "2017-06-01";

            $firstJoiningDate = $faker->dateTimeBetween($startDate, "2015-11-30");
            $firstLeavingDate = $faker->dateTimeBetween($firstJoiningDate, $lastLeaving);

            $secondJoiningDate = $faker->dateTimeBetween($firstSecondJoiningDate, 'now');
            $secondLeavingDate = null;
            
            if (rand_bool(12)) {
                $secondLeavingDate = $faker->dateTimeBetween($secondJoiningDate, 'now');
            }

            factory(App\MemberState::class, 1)->create([
                'person_id' => $id,
                "joining_date" => $firstJoiningDate,
                "leaving_date" => $firstLeavingDate,
            ]);

            factory(App\MemberState::class, 1)->create([
                'person_id' => $id,
                "joining_date" => $secondJoiningDate,
                "leaving_date" => $secondLeavingDate,
            ]);
        } else {
            $joiningDate = $faker->dateTimeBetween($startDate, 'now - 30 days');
            $leavingDate = null;
            
            if (rand_bool(20)) {
                $leavingDate = $faker->dateTimeBetween($joiningDate, 'now');
            }
            
            factory(App\MemberState::class, 1)->create([
                'person_id' => $id,
                "joining_date" => $joiningDate,
                "leaving_date" => $leavingDate,
            ]);
        }
    }
}