<?php

declare(strict_types=1);

namespace App\Tests\Repositories;

use App\Domain\SprintWeek;
use App\Repositories\SprintRepository;
use App\Repositories\SprintWeekRepository;
use App\Tests\TestCase;

/**
 * Phase 12: per-week weekday selection drives Arbeitstage.
 */
final class SprintWeekRepositoryTest extends TestCase
{
    /** @return array{SprintRepository, SprintWeekRepository, int} */
    private function seedSprint(): array
    {
        $pdo     = $this->makeDb();
        $sprints = new SprintRepository($pdo);
        $weeks   = new SprintWeekRepository($pdo);

        $sprint = $sprints->create('S', '2026-01-05', '2026-01-30', 0.2);
        $sprints->materializeWeeks($sprint->id, '2026-01-05', 4);

        return [$sprints, $weeks, $sprint->id];
    }

    public function testMaterializeWeeksDefaultsToAllFiveDays(): void
    {
        [, $weeks, $sprintId] = $this->seedSprint();

        $rows = $weeks->allForSprint($sprintId);
        $this->assertCount(4, $rows);
        foreach ($rows as $w) {
            $this->assertSame(SprintWeek::MASK_ALL, $w->activeDaysMask);
            $this->assertSame(5.0, $w->maxWorkingDays);
        }
    }

    public function testUpdateActiveDaysWritesBothColumns(): void
    {
        [, $weeks, $sprintId] = $this->seedSprint();
        $first = $weeks->allForSprint($sprintId)[0];

        $result = $weeks->updateActiveDays($first->id, 0b01111); // drop Fr

        $this->assertSame(SprintWeek::MASK_ALL, $result['before']->activeDaysMask);
        $this->assertSame(0b01111, $result['after']->activeDaysMask);
        $this->assertSame(4.0,     $result['after']->maxWorkingDays);

        // Second query hydrates the same row from disk.
        $reloaded = $weeks->find($first->id);
        $this->assertNotNull($reloaded);
        $this->assertSame(0b01111, $reloaded->activeDaysMask);
        $this->assertSame(4.0,     $reloaded->maxWorkingDays);
    }

    public function testUpdateActiveDaysClampsBitsOutsideMoFr(): void
    {
        [, $weeks, $sprintId] = $this->seedSprint();
        $first = $weeks->allForSprint($sprintId)[0];

        $result = $weeks->updateActiveDays($first->id, 0xFF);

        $this->assertSame(SprintWeek::MASK_ALL, $result['after']->activeDaysMask);
        $this->assertSame(5.0,                  $result['after']->maxWorkingDays);
    }

    public function testUpdateActiveDaysToEmptyMaskZeroesCount(): void
    {
        [, $weeks, $sprintId] = $this->seedSprint();
        $first = $weeks->allForSprint($sprintId)[0];

        $result = $weeks->updateActiveDays($first->id, 0);

        $this->assertSame(0,   $result['after']->activeDaysMask);
        $this->assertSame(0.0, $result['after']->maxWorkingDays);
        $this->assertSame([],  $result['after']->activeDays());
    }

    public function testSyncCountAppendsWeeksWithAllDaysActive(): void
    {
        [, $weeks, $sprintId] = $this->seedSprint();

        $diff = $weeks->syncCount($sprintId, '2026-01-05', 6);
        $this->assertCount(2, $diff['added']);
        foreach ($diff['added'] as $w) {
            $this->assertSame(SprintWeek::MASK_ALL, $w->activeDaysMask);
            $this->assertSame(5.0, $w->maxWorkingDays);
        }
    }
}