<?php declare(strict_types=1);

namespace Test\Unit\Query;

use BitBadger\PDODocument\{Configuration, DocumentException, DocumentIndex, Mode};
use BitBadger\PDODocument\Query\Definition;
use PHPUnit\Framework\Attributes\TestDox;
use PHPUnit\Framework\TestCase;

/**
 * Unit tests for the Definition class
 */
#[TestDox('Definition Queries (Unit tests)')]
class DefinitionTest extends TestCase
{
    protected function tearDown(): void
    {
        Configuration::$mode = null;
        parent::tearDown();
    }

    #[TestDox('Ensure table succeeds for PosgtreSQL')]
    public function testEnsureTableSucceedsForPostgreSQL(): void
    {
        Configuration::$mode = Mode::PgSQL;
        $this->assertEquals('CREATE TABLE IF NOT EXISTS documents (data JSONB NOT NULL)',
            Definition::ensureTable('documents'), 'CREATE TABLE statement not generated correctly');
    }

    #[TestDox('Ensure table succeeds for SQLite')]
    public function testEnsureTableSucceedsForSQLite(): void
    {
        Configuration::$mode = Mode::SQLite;
        $this->assertEquals('CREATE TABLE IF NOT EXISTS dox (data TEXT NOT NULL)', Definition::ensureTable('dox'),
            'CREATE TABLE statement not generated correctly');
    }

    public function testEnsureTableFailsWhenModeNotSet(): void
    {
        $this->expectException(DocumentException::class);
        Definition::ensureTable('boom');
    }

    public function testEnsureIndexOnSucceedsWithoutSchemaSingleAscendingField(): void
    {
        $this->assertEquals("CREATE INDEX IF NOT EXISTS idx_test_fields ON test ((data->>'details'))",
            Definition::ensureIndexOn('test', 'fields', ['details']), 'CREATE INDEX statement not generated correctly');
    }

    public function testEnsureIndexOnSucceedsWithSchemaMultipleFields(): void
    {
        $this->assertEquals(
            "CREATE INDEX IF NOT EXISTS idx_testing_json ON sch.testing ((data->>'group'), (data->>'sub_group') DESC)",
            Definition::ensureIndexOn('sch.testing', 'json', ['group', 'sub_group DESC']),
            'CREATE INDEX statement not generated correctly');
    }

    public function testEnsureKeySucceeds(): void
    {
        $this->assertEquals("CREATE UNIQUE INDEX IF NOT EXISTS idx_tbl_key ON tbl ((data->>'id'))",
            Definition::ensureKey('tbl'), 'CREATE INDEX statement for document key not generated correctly');
    }

    public function testEnsureDocumentIndexOnSucceedsForSchemaAndFull(): void
    {
        Configuration::$mode = Mode::PgSQL;
        $this->assertEquals("CREATE INDEX IF NOT EXISTS idx_tbl_document ON my.tbl USING GIN (data)",
            Definition::ensureDocumentIndexOn('my.tbl', DocumentIndex::Full));
    }

    public function testEnsureDocumentIndexOnSucceedsForNoSchemaAndOptimized(): void
    {
        Configuration::$mode = Mode::PgSQL;
        $this->assertEquals("CREATE INDEX IF NOT EXISTS idx_it_document ON it USING GIN (data jsonb_path_ops)",
            Definition::ensureDocumentIndexOn('it', DocumentIndex::Optimized));
    }

    #[TestDox('Ensure document index on fails for non PostgreSQL')]
    public function testEnsureDocumentIndexOnFailsForNonPostgreSQL(): void
    {
        $this->expectException(DocumentException::class);
        Definition::ensureDocumentIndexOn('', DocumentIndex::Full);
    }
}