#!/usr/bin/env php
<?php

$gitName = run('git config user.name');
$authorName = ask('Author name', $gitName);

$gitEmail = run('git config user.email');
$authorEmail = ask('Author email', $gitEmail);

$usernameGuess = explode(':', run('git config remote.origin.url'))[1] ?? '';
if ($usernameGuess !== '') {
    $usernameGuess = dirname($usernameGuess);
    $usernameGuess = basename($usernameGuess);
}
$authorUsername = ask('Author username', $usernameGuess);

$vendorName = ask('Vendor name', $authorUsername);
$vendorSlug = slugify($vendorName);
$vendorNamespace = str_replace('-', '', ucwords($vendorName));
$vendorNamespace = ask('Vendor namespace', $vendorNamespace);

$currentDirectory = getcwd();
$folderName = basename($currentDirectory);

$packageName = ask('Package name', $folderName);
$packageSlug = slugify($packageName);
$packageSlugWithoutPrefix = removePrefix('filament-', $packageSlug);

$className = titleCase($packageName);
$className = ask('Class name', $className);
$variableName = lcfirst($className);
$description = ask('Package description', "This is my package $packageSlug");

$usePhpStan = confirm('Enable PhpStan?', true);
$usePint = confirm('Enable Pint?', true);
$useDependabot = confirm('Enable Dependabot?', true);
$useLaravelRay = confirm('Enable Ray?', true);
$useUpdateChangelogWorkflow = confirm('Use automatic changelog updater workflow?', true);

$isTheme = confirm('Is this a custom theme?');
$formsOnly = ! $isTheme && confirm('Is this for Forms only?');
$tablesOnly = ! ($isTheme || $formsOnly) && confirm('Is this for Tables only?');

writeln("\r");
writeln('------');
writeln("Author     : \e[0;36m$authorName ($authorUsername, $authorEmail)\e[0m");
writeln("Vendor     : \e[0;36m$vendorName ($vendorSlug)\e[0m");
writeln('Package    : ' . "\e[0;36m" . $packageSlug . ($description ? " <{$description}>" : '') . "\e[0m");
writeln("Namespace  : \e[0;36m$vendorNamespace\\$className\e[0m");
writeln("Class name : \e[0;36m$className\e[0m");
writeln('---');
writeln("\e[1;37mPackages & Utilities\e[0m");
writeln('Larastan/PhpStan  : ' . ($usePhpStan ? "\e[0;32mYes" : "\e[0;31mNo") . "\e[0m");
writeln('Pint              : ' . ($usePint ? "\e[0;32mYes" : "\e[0;31mNo") . "\e[0m");
writeln('Use Dependabot    : ' . ($useDependabot ? "\e[0;32mYes" : "\e[0;31mNo") . "\e[0m");
writeln('Use Ray           : ' . ($useLaravelRay ? "\e[0;32mYes" : "\e[0;31mNo") . "\e[0m");
writeln('Auto-Changelog    : ' . ($useUpdateChangelogWorkflow ? "\e[0;32mYes" : "\e[0;31mNo") . "\e[0m");
if ($formsOnly) {
    writeln("Filament/Forms    : \e[0;32mYes\e[0m");
} elseif ($tablesOnly) {
    writeln("Filament/Tables   : \e[0;32mYes\e[0m");
} else {
    writeln("Filament/Filament : \e[0;32mYes\e[0m");
}
writeln('------');
writeln("\r");
writeln('This script will replace the above values in all relevant files in the project directory.');
writeln("\r");

if (! confirm('Modify files?', true)) {
    exit(1);
}

if ($formsOnly) {
    safeUnlink(__DIR__ . '/src/SkeletonTheme.php');
    safeUnlink(__DIR__ . '/src/SkeletonPlugin.php');

    removeComposerDeps([
        'filament/filament',
        'filament/tables',
    ], 'require');
} elseif ($tablesOnly) {
    safeUnlink(__DIR__ . '/src/SkeletonTheme.php');
    safeUnlink(__DIR__ . '/src/SkeletonPlugin.php');

    removeComposerDeps([
        'filament/filament',
        'filament/forms',
    ], 'require');
} else {
    if ($isTheme) {
        safeUnlink(__DIR__ . '/src/SkeletonServiceProvider.php');
        safeUnlink(__DIR__ . '/src/SkeletonPlugin.php');
        safeUnlink(__DIR__ . '/src/Skeleton.php');
        removeDirectory(__DIR__ . '/bin');
        removeDirectory(__DIR__ . '/config');
        removeDirectory(__DIR__ . '/database');
        removeDirectory(__DIR__ . '/stubs');
        removeDirectory(__DIR__ . '/resources/js');
        removeDirectory(__DIR__ . '/resources/lang');
        removeDirectory(__DIR__ . '/resources/views');
        removeDirectory(__DIR__ . '/src/Commands');
        removeDirectory(__DIR__ . '/src/Facades');
        removeDirectory(__DIR__ . '/src/Testing');

        setupPackageJsonForTheme();

    } else {
        safeUnlink(__DIR__ . '/src/SkeletonTheme.php');
    }

    removeComposerDeps([
        'filament/forms',
        'filament/tables',
    ], 'require');
}

$files = (str_starts_with(strtoupper(PHP_OS), 'WIN') ? replaceForWindows() : replaceForAllOtherOSes());

foreach ($files as $file) {
    replaceInFile($file, [
        ':author_name' => $authorName,
        ':author_username' => $authorUsername,
        'author@domain.com' => $authorEmail,
        ':vendor_name' => $vendorName,
        ':vendor_slug' => $vendorSlug,
        'VendorName' => $vendorNamespace,
        ':package_name' => $packageName,
        ':package_slug' => $packageSlug,
        ':package_slug_without_prefix' => $packageSlugWithoutPrefix,
        'Skeleton' => $className,
        'skeleton' => $packageSlug,
        'migration_table_name' => titleSnake($packageSlug),
        'variable' => $variableName,
        ':package_description' => $description,
    ]);

    match (true) {
        str_contains($file, determineSeparator('src/Skeleton.php')) => rename($file, determineSeparator('./src/' . $className . '.php')),
        str_contains($file, determineSeparator('src/SkeletonServiceProvider.php')) => rename($file, determineSeparator('./src/' . $className . 'ServiceProvider.php')),
        str_contains($file, determineSeparator('src/SkeletonTheme.php')) => rename($file, determineSeparator('./src/' . $className . 'Theme.php')),
        str_contains($file, determineSeparator('src/SkeletonPlugin.php')) => rename($file, determineSeparator('./src/' . $className . 'Plugin.php')),
        str_contains($file, determineSeparator('src/Facades/Skeleton.php')) => rename($file, determineSeparator('./src/Facades/' . $className . '.php')),
        str_contains($file, determineSeparator('src/Commands/SkeletonCommand.php')) => rename($file, determineSeparator('./src/Commands/' . $className . 'Command.php')),
        str_contains($file, determineSeparator('src/Testing/TestsSkeleton.php')) => rename($file, determineSeparator('./src/Testing/Tests' . $className . '.php')),
        str_contains($file, determineSeparator('database/migrations/create_skeleton_table.php.stub')) => rename($file, determineSeparator('./database/migrations/create_' . titleSnake($packageSlugWithoutPrefix) . '_table.php.stub')),
        str_contains($file, determineSeparator('config/skeleton.php')) => rename($file, determineSeparator('./config/' . $packageSlugWithoutPrefix . '.php')),
        str_contains($file, determineSeparator('resources/lang/en/skeleton.php')) => rename($file, determineSeparator('./resources/lang/en/' . $packageSlugWithoutPrefix . '.php')),
        str_contains($file, 'README.md') => removeTag($file, 'delete'),
        default => [],
    };
}

if (! $useDependabot) {
    safeUnlink(__DIR__ . '/.github/dependabot.yml');
    safeUnlink(__DIR__ . '/.github/workflows/dependabot-auto-merge.yml');
}

if (! $useLaravelRay) {
    removeComposerDeps(['spatie/laravel-ray'], 'require-dev');
}

if (! $usePhpStan) {
    safeUnlink(__DIR__ . '/phpstan.neon.dist');
    safeUnlink(__DIR__ . '/phpstan-baseline.neon');
    safeUnlink(__DIR__ . '/.github/workflows/phpstan.yml');

    removeComposerDeps([
        'phpstan/extension-installer',
        'phpstan/phpstan-deprecation-rules',
        'phpstan/phpstan-phpunit',
        'nunomaduro/larastan',
    ], 'require-dev');

    removeComposerDeps(['analyse'], 'scripts');
}

if (! $usePint) {
    safeUnlink(__DIR__ . '/.github/workflows/fix-php-code-style-issues.yml');
    safeUnlink(__DIR__ . '/pint.json');

    removeComposerDeps([
        'laravel/pint',
    ], 'require-dev');

    removeComposerDeps(['format'], 'scripts');
}

if (! $useUpdateChangelogWorkflow) {
    safeUnlink(__DIR__ . '/.github/workflows/update-changelog.yml');
}

confirm('Execute `composer install`?') && run('composer install');

if (confirm('Let this script delete itself?', true)) {
    unlink(__FILE__);
}

function ask(string $question, string $default = ''): string
{
    $def = $default ? "\e[0;33m ($default)" : '';
    $answer = readline("\e[0;32m" . $question . $def . ": \e[0m");

    if (! $answer) {
        return $default;
    }

    return $answer;
}

function confirm(string $question, bool $default = false): bool
{
    $answer = ask($question, ($default ? 'Y/n' : 'y/N'));

    if (strtolower($answer) === 'y/n') {
        return $default;
    }

    return strtolower($answer) === 'y';
}

function writeln(string $line): void
{
    echo $line . PHP_EOL;
}

function run(string $command): string
{
    return trim((string) shell_exec($command));
}

function slugify(string $subject): string
{
    return strtolower(trim(preg_replace('/[^A-Za-z0-9-]+/', '-', $subject), '-'));
}

function titleCase(string $subject): string
{
    return str_replace(' ', '', ucwords(str_replace(['-', '_'], ' ', $subject)));
}

function titleSnake(string $subject, string $replace = '_'): string
{
    return str_replace(['-', '_'], $replace, $subject);
}

function replaceInFile(string $file, array $replacements): void
{
    $contents = file_get_contents($file);

    file_put_contents(
        $file,
        str_replace(
            array_keys($replacements),
            array_values($replacements),
            $contents
        )
    );
}

function removePrefix(string $prefix, string $content): string
{
    if (str_starts_with($content, $prefix)) {
        return substr($content, strlen($prefix));
    }

    return $content;
}

function removeComposerDeps(array $names, string $location): void
{
    $data = json_decode(file_get_contents(__DIR__ . '/composer.json'), true);

    foreach ($data[$location] as $name => $version) {
        if (in_array($name, $names, true)) {
            unset($data[$location][$name]);
        }
    }

    file_put_contents(__DIR__ . '/composer.json', json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
}

function removeNpmDeps(array $names, string $location): void
{
    $data = json_decode(file_get_contents(__DIR__ . '/package.json'), true);

    foreach ($data[$location] as $name => $version) {
        if (in_array($name, $names, true)) {
            unset($data[$location][$name]);
        }
    }

    file_put_contents(__DIR__ . '/package.json', json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES |
        JSON_UNESCAPED_UNICODE));
}

function removeTag(string $file, string $tag): void
{
    $contents = file_get_contents($file);

    file_put_contents(
        $file,
        preg_replace('/<!--' . $tag . '-->.*<!--\/' . $tag . '-->/s', '', $contents) ?: $contents
    );
}

function setupPackageJsonForTheme(): void
{
    removeNpmDeps([
        'purge',
        'dev',
        'dev:scripts',
        'build',
        'build:scripts',
    ], 'scripts');

    removeNpmDeps([
        '@awcodes/filament-plugin-purge',
        'esbuild',
        'npm-run-all',
        'prettier',
        'prettier-plugin-tailwindcss',
    ], 'devDependencies');

    replaceInFile(__DIR__ . '/package.json', [
        'dev:styles' => 'dev',
        'build:styles' => 'build',
    ]);
}

function safeUnlink(string $filename): void
{
    if (file_exists($filename) && is_file($filename)) {
        unlink($filename);
    }
}

function determineSeparator(string $path): string
{
    return str_replace('/', DIRECTORY_SEPARATOR, $path);
}

function replaceForWindows(): array
{
    return preg_split('/\\r\\n|\\r|\\n/', run('dir /S /B * | findstr /v /i .git\ | findstr /v /i vendor | findstr /v /i ' . basename(__FILE__) . ' | findstr /r /i /M /F:/ ":author :vendor :package VendorName skeleton migration_table_name vendor_name vendor_slug author@domain.com"'));
}

function replaceForAllOtherOSes(): array
{
    return explode(PHP_EOL, run('grep -E -r -l -i ":author|:vendor|:package|VendorName|skeleton|migration_table_name|vendor_name|vendor_slug|author@domain.com" --exclude-dir=vendor ./* ./.github/* | grep -v ' . basename(__FILE__)));
}

function removeDirectory($dir): void
{
    if (is_dir($dir)) {
        $objects = scandir($dir);
        foreach ($objects as $object) {
            if ($object != '.' && $object != '..') {
                if (filetype($dir . '/' . $object) == 'dir') {
                    removeDirectory($dir . '/' . $object);
                } else {
                    unlink($dir . '/' . $object);
                }
            }
        }

        $sequences = array_filter($sequences, function ($val) {
            return $val !== null;
        });

        if (empty($sequences)) {
            return $text;
        }

        return $this->escSequence(implode(';', $sequences)) . $text . $this->escSequence(self::RESET_STYLE);
    }

    /**
     * @param  bool  $forceStyle
     */
    public function setForceStyle($forceStyle)
    {
        $this->forceStyle = (bool) $forceStyle;
    }

    /**
     * @return bool
     */
    public function isStyleForced()
    {
        return $this->forceStyle;
    }

    /**
     * @throws InvalidStyleException
     * @throws \InvalidArgumentException
     */
    public function setThemes(array $themes)
    {
        $this->themes = [];
        foreach ($themes as $name => $styles) {
            $this->addTheme($name, $styles);
        }
    }

    /**
     * @param  string  $name
     * @param  array|string  $styles
     *
     * @throws \InvalidArgumentException
     * @throws InvalidStyleException
     */
    public function addTheme($name, $styles)
    {
        if (is_string($styles)) {
            $styles = [$styles];
        }
        if (! is_array($styles)) {
            throw new \InvalidArgumentException('Style must be string or array.');
        }

        foreach ($styles as $style) {
            if (! $this->isValidStyle($style)) {
                throw new InvalidStyleException($style);
            }
        }

        $this->themes[$name] = $styles;
    }

    /**
     * @return array
     */
    public function getThemes()
    {
        return $this->themes;
    }

    /**
     * @param  string  $name
     * @return bool
     */
    public function hasTheme($name)
    {
        return isset($this->themes[$name]);
    }

    /**
     * @param  string  $name
     */
    public function removeTheme($name)
    {
        unset($this->themes[$name]);
    }

    /**
     * @codeCoverageIgnore
     *
     * @return bool
     */
    public function isSupported()
    {
        if (DIRECTORY_SEPARATOR === '\\') {
            // phpcs:ignore Generic.PHP.NoSilencedErrors,PHPCompatibility.FunctionUse.NewFunctions.sapi_windows_vt100_supportFound
            if (function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT)) {
                return true;
            } elseif (getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON') {
                return true;
            }

            return false;
        } else {
            // phpcs:ignore Generic.PHP.NoSilencedErrors
            return function_exists('posix_isatty') && @posix_isatty(STDOUT);
        }
    }

    /**
     * @codeCoverageIgnore
     *
     * @return bool
     */
    public function are256ColorsSupported()
    {
        if (DIRECTORY_SEPARATOR === '\\') {
            // phpcs:ignore Generic.PHP.NoSilencedErrors,PHPCompatibility.FunctionUse.NewFunctions.sapi_windows_vt100_supportFound
            return function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT);
        } else {
            return strpos(getenv('TERM'), '256color') !== false;
        }
    }

    /**
     * @return array
     */
    public function getPossibleStyles()
    {
        return array_keys($this->styles);
    }

    /**
     * @param  string  $name
     * @return string[]
     */
    private function themeSequence($name)
    {
        $sequences = [];
        foreach ($this->themes[$name] as $style) {
            $sequences[] = $this->styleSequence($style);
        }

        return $sequences;
    }

    /**
     * @param  string  $style
     * @return string
     */
    private function styleSequence($style)
    {
        if (array_key_exists($style, $this->styles)) {
            return $this->styles[$style];
        }

        if (! $this->are256ColorsSupported()) {
            return null;
        }

        preg_match(self::COLOR256_REGEXP, $style, $matches);

        $type = $matches[1] === 'bg_' ? self::BACKGROUND : self::FOREGROUND;
        $value = $matches[2];

        return "$type;5;$value";
    }

    /**
     * @param  string  $style
     * @return bool
     */
    private function isValidStyle($style)
    {
        return array_key_exists($style, $this->styles) || preg_match(self::COLOR256_REGEXP, $style);
    }

    /**
     * @param  string|int  $value
     * @return string
     */
    private function escSequence($value)
    {
        return "\033[{$value}m";
    }
}