<?php

use PHPUnit\Framework\TestCase;

/**
 * ShareLinkExtendedTest — Integration tests for ShareLink methods that need a DB.
 */
class ShareLinkExtendedTest extends TestCase
{
    private ShareLink $shareLink;
    private PDO $pdo;

    protected function setUp(): void
    {
        TestDatabase::resetData();
        $db = TestDatabase::getInstance();
        $this->shareLink = new ShareLink($db);
        $this->pdo = TestDatabase::getPDO();
    }

    /**
     * Create a share link and return its row.
     */
    private function createLink(?string $name = null, ?string $expiresAt = null, ?string $objetRestriction = null): array
    {
        $link = $this->shareLink->create(1, $expiresAt, $objetRestriction, $name);
        $this->assertNotNull($link);
        return $link;
    }

    // ── listActive / listArchived ─────────────────────────────────────────────

    public function testListActiveReturnsOnlyActiveLinks(): void
    {
        $this->createLink('Active One');

        $active = $this->shareLink->listActive();
        $this->assertCount(1, $active);

        // Archive the link
        $link = $this->shareLink->findBySlug($active[0]['slug']);
        $this->shareLink->archive($link['id']);

        $active = $this->shareLink->listActive();
        $this->assertCount(0, $active);
    }

    public function testListArchivedReturnsOnlyArchivedLinks(): void
    {
        $this->createLink('To Archive');

        $archived = $this->shareLink->listArchived();
        $this->assertCount(0, $archived);

        $link = $this->shareLink->findBySlug($this->shareLink->listActive()[0]['slug']);
        $this->shareLink->archive($link['id']);

        $archived = $this->shareLink->listArchived();
        $this->assertCount(1, $archived);
    }

    // ── findBySlug ────────────────────────────────────────────────────────────

    public function testFindBySlugHit(): void
    {
        $created = $this->createLink('Find Me');
        $found = $this->shareLink->findBySlug($created['slug']);

        $this->assertNotNull($found);
        $this->assertSame($created['id'], $found['id']);
        $this->assertSame('Find Me', $found['name']);
    }

    public function testFindBySlugMiss(): void
    {
        $found = $this->shareLink->findBySlug('nonexistent-slug');
        $this->assertNull($found);
    }

    // ── setPassword + getDecryptedPassword round-trip ─────────────────────────

    public function testSetPasswordAndDecryptRoundTrip(): void
    {
        $created = $this->createLink('Password Test');

        // getDecryptedPassword uses encrypted_password from the DB, not _plain_password
        $decrypted = $this->shareLink->getDecryptedPassword($created['id']);
        $this->assertNotEmpty($decrypted);
    }

    public function testGetDecryptedPasswordOnNonexistentId(): void
    {
        $result = $this->shareLink->getDecryptedPassword(999);
        $this->assertSame('', $result);
    }

    // ── update ────────────────────────────────────────────────────────────────

    public function testUpdateChangesNameAndExpiration(): void
    {
        $created = $this->createLink('Original Name');

        $this->shareLink->update($created['id'], 'Updated Name', '2099-12-31 23:59:59');

        $updated = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame('Updated Name', $updated['name']);
        $this->assertNotNull($updated['expires_at']);
    }

    public function testUpdateOnlyNameLeavesExpirationUnchanged(): void
    {
        $created = $this->createLink('Original', '2099-12-31 23:59:59');

        $this->shareLink->update($created['id'], 'Only Name Changed', null);

        $updated = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame('Only Name Changed', $updated['name']);
        $this->assertNotNull($updated['expires_at']);
    }

    public function testUpdateClearsExpiration(): void
    {
        $created = $this->createLink('Expiry Test', '2099-12-31 23:59:59');

        // Pass empty string to clear
        $this->shareLink->update($created['id'], null, '');

        $updated = $this->shareLink->findBySlug($created['slug']);
        $this->assertNull($updated['expires_at']);
    }

    // ── locked_year ───────────────────────────────────────────────────────────

    public function testCreateWithLockedYear(): void
    {
        $created = $this->shareLink->create(1, null, null, 'Locked Year Link', 2025);

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame(2025, $found['locked_year']);
    }

    public function testCreateWithInvalidLockedYearRejected(): void
    {
        $created = $this->shareLink->create(1, null, null, 'Bad Year Link', 1800);

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertNull($found['locked_year']);
    }

    public function testUpdateLockedYear(): void
    {
        $created = $this->createLink('Year Upd');

        $this->shareLink->update($created['id'], null, null, '2026');

        $updated = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame(2026, $updated['locked_year']);
    }

    public function testUpdateClearLockedYear(): void
    {
        $created = $this->shareLink->create(1, null, null, 'Year Clear', 2025);

        // Empty string clears
        $this->shareLink->update($created['id'], null, null, '');

        $updated = $this->shareLink->findBySlug($created['slug']);
        $this->assertNull($updated['locked_year']);
    }

    // ── incrementUsage ────────────────────────────────────────────────────────

    public function testIncrementUsage(): void
    {
        $created = $this->createLink('Usage Test');

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame(0, (int)$found['usage_count']);

        $this->shareLink->incrementUsage($created['id']);
        $this->shareLink->incrementUsage($created['id']);

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame(2, (int)$found['usage_count']);
    }

    // ── Objet restriction validation ──────────────────────────────────────────

    public function testCreateDefaultsToTfeWhenInvalidObjet(): void
    {
        $created = $this->shareLink->create(1, null, 'invalid_objet', 'Invalid Objet');

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame('tfe', $found['objet_restriction']);
    }

    public function testCreateAcceptsValidObjet(): void
    {
        $created = $this->shareLink->create(1, null, 'thèse,frart', 'Multi Objet');

        $found = $this->shareLink->findBySlug($created['slug']);
        $this->assertSame('thèse,frart', $found['objet_restriction']);
    }
}