<?php

declare(strict_types=1);

namespace Tests\unit\Support\Search\QueryParser;

use FireflyIII\Support\Search\QueryParser\Field;
use FireflyIII\Support\Search\QueryParser\QueryParserInterface;
use FireflyIII\Support\Search\QueryParser\Word;
use FireflyIII\Support\Search\QueryParser\Subquery;
use FireflyIII\Support\Search\QueryParser\Node;
use Tests\integration\TestCase;

abstract class AbstractQueryParserInterfaceParseQueryTest extends TestCase
{
    abstract protected function createParser(): QueryParserInterface;

    public function queryDataProvider(): array
    {
        return [
            'empty query' => [
                'query' => '',
                'expected' => []
            ],
            'simple word' => [
                'query' => 'groceries',
                'expected' => [new Word('groceries')]
            ],
            'prohibited word' => [
                'query' => '-groceries',
                'expected' => [new Word('groceries', true)]
            ],
            'prohibited field' => [
                'query' => '-amount:100',
                'expected' => [new Field('amount', '100', true)]
            ],
            'quoted word' => [
                'query' => '"test phrase"',
                'expected' => [new Word('test phrase')]
            ],
            'prohibited quoted word' => [
                'query' => '-"test phrase"',
                'expected' => [new Word('test phrase', true)]
            ],
            'multiple words' => [
                'query' => 'groceries shopping market',
                'expected' => [
                    new Word('groceries'),
                    new Word('shopping'),
                    new Word('market')
                ]
            ],
            'field operator' => [
                'query' => 'amount:100',
                'expected' => [new Field('amount', '100')]
            ],
            'quoted field value with single space' => [
                'query' => 'description:"test phrase"',
                'expected' => [new Field('description', 'test phrase')]
            ],
            'multiple fields' => [
                'query' => 'amount:100 category:food',
                'expected' => [
                    new Field('amount', '100'),
                    new Field('category', 'food')
                ]
            ],
            'simple subquery' => [
                'query' => '(amount:100 category:food)',
                'expected' => [
                    new Subquery([
                        new Field('amount', '100'),
                        new Field('category', 'food')
                    ])
                ]
            ],
            'prohibited subquery' => [
                'query' => '-(amount:100 category:food)',
                'expected' => [
                    new Subquery([
                        new Field('amount', '100'),
                        new Field('category', 'food')
                    ], true)
                ]
            ],
            'nested subquery' => [
                'query' => '(amount:100 (description:"test" category:food))',
                'expected' => [
                    new Subquery([
                        new Field('amount', '100'),
                        new Subquery([
                            new Field('description', 'test'),
                            new Field('category', 'food')
                        ])
                    ])
                ]
            ],
            'mixed words and operators' => [
                'query' => 'groceries amount:50 shopping',
                'expected' => [
                    new Word('groceries'),
                    new Field('amount', '50'),
                    new Word('shopping')
                ]
            ],
            'subquery after field value' => [
                'query' => 'amount:100 (description:"market" category:food)',
                'expected' => [
                    new Field('amount', '100'),
                    new Subquery([
                        new Field('description', 'market'),
                        new Field('category', 'food')
                    ])
                ]
            ],
            'word followed by subquery' => [
                'query' => 'groceries (amount:100 description_contains:"test")',
                'expected' => [
                    new Word('groceries'),
                    new Subquery([
                        new Field('amount', '100'),
                        new Field('description_contains', 'test')
                    ])
                ]
            ],
            'nested subquery with prohibited field' => [
                'query' => '(amount:100 (description_contains:"test payment" -has_attachments:true))',
                'expected' => [
                    new Subquery([
                        new Field('amount', '100'),
                        new Subquery([
                            new Field('description_contains', 'test payment'),
                            new Field('has_attachments', 'true', true)
                        ])
                    ])
                ]
            ],
            'complex nested subqueries' => [
                'query' => 'shopping (amount:50 market (-category:food word description:"test phrase" (has_notes:true)))',
                'expected' => [
                    new Word('shopping'),
                    new Subquery([
                        new Field('amount', '50'),
                        new Word('market'),
                        new Subquery([
                            new Field('category', 'food', true),
                            new Word('word'),
                            new Field('description', 'test phrase'),
                            new Subquery([
                                new Field('has_notes', 'true')
                            ])
                        ])
                    ])
                ]
            ],
            'word with multiple spaces' => [
                'query' => '"multiple   spaces"',
                'expected' => [new Word('multiple   spaces')]
            ],
            'field with multiple spaces in value' => [
                'query' => 'description:"multiple   spaces   here"',
                'expected' => [new Field('description', 'multiple   spaces   here')]
            ],
            'unmatched right parenthesis in word' => [
                'query' => 'test)word',
                'expected' => [new Word('test)word')]
            ],
            'unmatched right parenthesis in field' => [
                'query' => 'description:test)phrase',
                'expected' => [new Field('description', 'test)phrase')]
            ],
            'subquery followed by word' => [
                'query' => '(amount:100 category:food) shopping',
                'expected' => [
                    new Subquery([
                        new Field('amount', '100'),
                        new Field('category', 'food')
                    ]),
                    new Word('shopping')
                ]
            ]
        ];
    }

    /**
     * @dataProvider queryDataProvider
     * @param string $query The query string to parse
     * @param array $expected The expected parse result
     */
    public function testQueryParsing(string $query, array $expected): void
    {
        $result = $this->createParser()->parse($query);

        $this->assertNodesMatch($expected, $result);
    }

    private function assertNodesMatch(array $expected, array $actual): void
    {
        $message = sprintf(
            "Expected: %s\nActual: %s",
            $this->formatNodes($expected),
            $this->formatNodes($actual)
        );

        $this->assertCount(count($expected), $actual, $message);

        foreach ($expected as $index => $expectedNode) {
            $actualNode = $actual[$index];
            $this->assertNodeMatches($expectedNode, $actualNode);
        }
    }

    private function assertNodeMatches(Node $expected, Node $actual): void
    {
        $message = $this->formatAssertMessage($expected, $actual);

        $this->assertInstanceOf(get_class($expected), $actual, $message);
        $this->assertEquals($expected->isProhibited(), $actual->isProhibited(), $message);

        match (get_class($expected)) {
            Word::class => $this->assertWordMatches($expected, $actual),
            Field::class => $this->assertFieldMatches($expected, $actual),
            Subquery::class => $this->assertSubqueryMatches($expected, $actual),
            default => throw new \InvalidArgumentException(sprintf(
                'Unexpected node type: %s',
                get_class($expected)
            ))
        };
    }


    private function assertWordMatches(Word $expected, Word $actual): void
    {
        $message = $this->formatAssertMessage($expected, $actual);  // Using your implementation
        $this->assertEquals($expected->getValue(), $actual->getValue(), $message);
    }

    private function assertFieldMatches(Field $expected, Field $actual): void
    {
        $message = sprintf(
            "\nExpected field: %s\nActual field: %s",
            $this->formatNode($expected),
            $this->formatNode($actual)
        );
        $this->assertEquals($expected->getOperator(), $actual->getOperator(), $message);
        $this->assertEquals($expected->getValue(), $actual->getValue(), $message);
    }

    private function assertSubqueryMatches(Subquery $expected, Subquery $actual): void
    {
        $this->assertNodesMatch($expected->getNodes(), $actual->getNodes());
    }

    private function formatAssertMessage(Node $expected, Node $actual): string
    {
        return sprintf(
            "\nExpected: %s\nActual: %s",
            $this->formatNode($expected),
            $this->formatNode($actual)
        );
    }

    private function formatNode(Node $node): string
    {
        return sprintf(
            '%s(%s)',
            basename(str_replace('\\', '/', get_class($node))),
            $node->__toString()
        );
    }


    private function formatNodes(array $nodes): string
    {
        return '[' . implode(', ', array_map(
            fn(Node $node) => $this->formatNode($node),
            $nodes
        )) . ']';
    }
}