<?php

declare(strict_types=1);

namespace App\Framework\Display\Formatters;

use App\Framework\Display\Formatters\CsvFormatter;
use App\Framework\Display\Formatters\JsonFormatter;
use App\Framework\Display\Formatters\XmlFormatter;
use App\Framework\Display\Formatters\YamlFormatter;
use App\Framework\Display\ValueObjects\DisplayOptions;
use App\Framework\Display\ValueObjects\OutputFormat;
use App\Framework\Filesystem\ValueObjects\FilePath;

/**
 * Auto-detecting formatter that automatically selects the appropriate formatter
 * based on the input data type.
 *
 * This is the main entry point for the Display module. It automatically detects
 * the type of input data and routes it to the appropriate formatter:
 * - Arrays → ArrayFormatter
 * - Objects → ObjectFormatter
 * - JSON strings → JsonFormatter
 * - YAML strings → YamlFormatter
 * - XML strings → XmlFormatter
 * - CSV strings → CsvFormatter
 * - Class names → ClassFormatter
 * - Directory paths → FilesystemFormatter
 * - Scalars → Scalar formatting
 *
 * @example
 * $formatter = new AutoFormatter();
 * echo $formatter->formatForConsole($data);
 */
final readonly class AutoFormatter
{
    public function __construct(
        private ArrayFormatter $arrayFormatter = new ArrayFormatter(),
        private ObjectFormatter $objectFormatter = new ObjectFormatter(),
        private ClassFormatter $classFormatter = new ClassFormatter(),
        private FilesystemFormatter $filesystemFormatter = new FilesystemFormatter(),
        private JsonFormatter $jsonFormatter = new JsonFormatter(),
        private YamlFormatter $yamlFormatter = new YamlFormatter(),
        private XmlFormatter $xmlFormatter = new XmlFormatter(),
        private CsvFormatter $csvFormatter = new CsvFormatter(),
        private CodeFormatter $codeFormatter = new CodeFormatter(),
    ) {
    }

    /**
     * Format data with specified options and output format.
     *
     * @param mixed $value The data to format (array, object, string, etc.)
     * @param DisplayOptions $options Display configuration options
     * @param OutputFormat $format Output format (CONSOLE or HTML)
     * @return string Formatted output string
     */
    public function format(mixed $value, DisplayOptions $options, OutputFormat $format): string
    {
        return match (true) {
            is_array($value) => $this->formatArray($value, $options, $format),
            is_object($value) => $this->formatObject($value, $options, $format),
            is_string($value) && $this->isJsonString($value) => $this->formatJsonString($value, $options, $format),
            is_string($value) && $this->isYamlString($value) => $this->formatYamlString($value, $options, $format),
            is_string($value) && $this->isXmlString($value) => $this->formatXmlString($value, $options, $format),
            is_string($value) && $this->isCsvString($value) => $this->formatCsvString($value, $options, $format),
            is_string($value) && CodeFormatter::isPhpCode($value) => $this->formatCode($value, $options, $format),
            is_string($value) && class_exists($value) => $this->formatClass($value, $options, $format),
            is_string($value) && (is_dir($value) || ($value instanceof FilePath && is_dir($value->toString()))) => $this->formatDirectory($value, $options, $format),
            $value instanceof FilePath => $this->formatDirectory($value, $options, $format),
            default => $this->formatScalar($value, $options, $format),
        };
    }

    /**
     * Format data for console output with default options.
     *
     * @param mixed $value The data to format
     * @param DisplayOptions|null $options Optional display options (defaults to DisplayOptions::default())
     * @return string Formatted console output with ANSI colors
     */
    public function formatForConsole(mixed $value, ?DisplayOptions $options = null): string
    {
        $options ??= DisplayOptions::default();

        return $this->format($value, $options, OutputFormat::CONSOLE);
    }

    /**
     * Format data for HTML output with default options.
     *
     * @param mixed $value The data to format
     * @param DisplayOptions|null $options Optional display options (defaults to DisplayOptions::default())
     * @return string Formatted HTML output with semantic HTML/CSS classes
     */
    public function formatForHtml(mixed $value, ?DisplayOptions $options = null): string
    {
        $options ??= DisplayOptions::default();

        return $this->format($value, $options, OutputFormat::HTML);
    }

    private function formatArray(array $value, DisplayOptions $options, OutputFormat $format): string
    {
        // Check if array contains objects - could use ObjectFormatter for items
        $hasObjects = false;
        foreach ($value as $item) {
            if (is_object($item)) {
                $hasObjects = true;
                break;
            }
        }

        return $this->arrayFormatter->format($value, $options, $format);
    }

    private function formatObject(object $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->objectFormatter->format($value, $options, $format);
    }

    private function formatJsonString(string $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->jsonFormatter->format($value, $options, $format);
    }

    private function formatYamlString(string $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->yamlFormatter->format($value, $options, $format);
    }

    private function formatXmlString(string $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->xmlFormatter->format($value, $options, $format);
    }

    private function formatCsvString(string $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->csvFormatter->format($value, $options, $format);
    }

    private function formatCode(string $value, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->codeFormatter->format($value, $options, $format);
    }

    private function formatClass(string $className, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->classFormatter->format($className, $options, $format);
    }

    private function formatDirectory(string|FilePath $path, DisplayOptions $options, OutputFormat $format): string
    {
        return $this->filesystemFormatter->format($path, $options, $format);
    }

    private function formatScalar(mixed $value, DisplayOptions $options, OutputFormat $format): string
    {
        $formatted = match (true) {
            is_string($value) => $format === OutputFormat::HTML
                ? '<span class="display-string">' . htmlspecialchars($value) . '</span>'
                : "\033[32m\"{$value}\"\033[0m",
            is_int($value) => $format === OutputFormat::HTML
                ? '<span class="display-number">' . $value . '</span>'
                : "\033[94m{$value}\033[0m",
            is_float($value) => $format === OutputFormat::HTML
                ? '<span class="display-number">' . $value . '</span>'
                : "\033[94m{$value}\033[0m",
            is_bool($value) => $format === OutputFormat::HTML
                ? '<span class="display-boolean">' . ($value ? 'true' : 'false') . '</span>'
                : "\033[95m" . ($value ? 'true' : 'false') . "\033[0m",
            is_null($value) => $format === OutputFormat::HTML
                ? '<span class="display-null">null</span>'
                : "\033[90mnull\033[0m",
            default => $format === OutputFormat::HTML
                ? '<span class="display-type">' . htmlspecialchars(get_debug_type($value)) . '</span>'
                : get_debug_type($value),
        };

        return $formatted;
    }

    private function isJsonString(string $value): bool
    {
        if (empty($value)) {
            return false;
        }

        $trimmed = trim($value);
        if (! ($trimmed[0] === '{' || $trimmed[0] === '[')) {
            return false;
        }

        return json_validate($value);
    }

    private function isYamlString(string $value): bool
    {
        if (empty($value)) {
            return false;
        }

        $trimmed = trim($value);

        // Basic YAML detection: starts with key: or has --- or ...
        // More sophisticated detection would require a YAML parser
        return preg_match('/^(\s*[a-zA-Z_][a-zA-Z0-9_]*\s*:|\s*---|\s*\.\.\.)/', $trimmed) === 1;
    }

    private function isXmlString(string $value): bool
    {
        if (empty($value)) {
            return false;
        }

        $trimmed = trim($value);

        // Basic XML detection: starts with < or <?xml
        return str_starts_with($trimmed, '<') || str_starts_with($trimmed, '<?xml');
    }

    private function isCsvString(string $value): bool
    {
        if (empty($value)) {
            return false;
        }

        $lines = explode("\n", $value);
        if (count($lines) < 2) {
            return false;
        }

        // Check if the first line contains common CSV separators
        $firstLine = $lines[0];
        $separators = [',', ';', "\t"];

        foreach ($separators as $separator) {
            $parts = explode($separator, $firstLine);
            if (count($parts) >= 2) {
                // Check if second line has same number of parts
                if (isset($lines[1])) {
                    $secondParts = explode($separator, $lines[1]);
                    if (count($secondParts) >= 2 && abs(count($parts) - count($secondParts)) <= 1) {
                        return true;
                    }
                }
            }
        }

        return false;
    }
}