<?php

declare(strict_types=1);

use Illuminate\Support\Facades\Event;
use Stancl\Tenancy\Tests\Etc\Tenant;
use Stancl\Tenancy\Events\TenancyEnded;
use Stancl\Tenancy\Events\TenancyInitialized;
use Stancl\Tenancy\Listeners\BootstrapTenancy;
use Stancl\Tenancy\Listeners\RevertToCentralContext;
use Stancl\Tenancy\Bootstrappers\LogTenancyBootstrapper;
use Stancl\Tenancy\Bootstrappers\FilesystemTenancyBootstrapper;

beforeEach(function () {
    config([
        'tenancy.bootstrappers' => [
            // FilesystemTenancyBootstrapper needed for storage path channels (added in tests that check the storage path channel logic)
            LogTenancyBootstrapper::class,
        ],
    ]);

    // Reset static properties
    LogTenancyBootstrapper::$channelOverrides = [];
    LogTenancyBootstrapper::$storagePathChannels = ['single', 'daily'];

    Event::listen(TenancyInitialized::class, BootstrapTenancy::class);
    Event::listen(TenancyEnded::class, RevertToCentralContext::class);
});

afterEach(function () {
    LogTenancyBootstrapper::$channelOverrides = [];
    LogTenancyBootstrapper::$storagePathChannels = ['single', 'daily'];
});

test('storage path channels get tenant-specific paths by default', function () {
    // Note that for LogTenancyBootstrapper to change the paths correctly,
    // the bootstrapper MUST run after FilesystemTenancyBootstrapper.
    config([
        'tenancy.bootstrappers' => [
            FilesystemTenancyBootstrapper::class,
            LogTenancyBootstrapper::class,
        ],
    ]);

    $tenant = Tenant::create();

    // Storage path channels are 'single' and 'daily' by default.
    // This can be customized via LogTenancyBootstrapper::$storagePathChannels.
    foreach (LogTenancyBootstrapper::$storagePathChannels as $channel) {
        config(['logging.default' => $channel]);

        $originalPath = config("logging.channels.{$channel}.path");

        tenancy()->initialize($tenant);

        // Path should now point to the log in the tenant's storage directory
        $tenantLogPath = "storage/tenant{$tenant->id}/logs/laravel.log";
        expect(config("logging.channels.{$channel}.path"))
            ->not()->toBe($originalPath)
            ->toEndWith($tenantLogPath);

        tenancy()->end();

        // Path should be reverted
        expect(config("logging.channels.{$channel}.path"))->toBe($originalPath);
    }
});

test('all channels included in the log stack get processed', function () {
    config([
        'tenancy.bootstrappers' => [
            FilesystemTenancyBootstrapper::class,
            LogTenancyBootstrapper::class,
        ],
        'logging.default' => 'stack',
        'logging.channels.stack' => [
            'driver' => 'stack',
            'channels' => ['single', 'daily'],
        ],
    ]);

    $originalSinglePath = config('logging.channels.single.path');
    $originalDailyPath = config('logging.channels.daily.path');

    $tenant = Tenant::create();

    tenancy()->initialize($tenant);

    // Both channels in the stack should be updated
    expect(config('logging.channels.single.path'))->not()->toBe($originalSinglePath);
    expect(config('logging.channels.daily.path'))->not()->toBe($originalDailyPath);

    tenancy()->end();

    expect(config('logging.channels.single.path'))->toBe($originalSinglePath);
    expect(config('logging.channels.daily.path'))->toBe($originalDailyPath);
});

test('channel overrides work correctly with both arrays and closures', function () {
    config([
        'logging.default' => 'stack',
        'logging.channels.stack.channels' => ['slack', 'single'],
        'logging.channels.slack' => [
            'url' => $originalSlackUrl = 'default-webhook',
            'username' => 'Default',
        ],
    ]);

    $originalSinglePath = config('logging.channels.single.path');

    $tenant = Tenant::create(['id' => 'tenant1', 'webhookUrl' => 'tenant-webhook']);

    // Test both array mapping and closure-based overrides
    LogTenancyBootstrapper::$channelOverrides = [
        'slack' => ['url' => 'webhookUrl'], // slack.url will be mapped to $tenant->webhookUrl
        'single' => function ($config, $tenant) {
            $config->set('logging.channels.single.path', storage_path("logs/override-{$tenant->id}.log"));
        },
    ];

    tenancy()->initialize($tenant);

    // Array mapping overrides work
    expect(config('logging.channels.slack.url'))->toBe($tenant->webhookUrl);
    expect(config('logging.channels.slack.username'))->toBe('Default'); // Default username, remains default unless overridden

    // Closure overrides work
    expect(config('logging.channels.single.path'))->toEndWith('storage/logs/override-tenant1.log');

    tenancy()->end();

    // After tenancy ends, the original config should be restored
    expect(config('logging.channels.slack.url'))->toBe($originalSlackUrl);
    expect(config('logging.channels.single.path'))->toBe($originalSinglePath);

    // Test that we can also change array mappings to different properties
    $tenant->update(['slackUrl' => 'tenant-slack']);

    LogTenancyBootstrapper::$channelOverrides = [
        'slack' => ['url' => 'slackUrl'],
    ];

    tenancy()->initialize($tenant);
    expect(config('logging.channels.slack.url'))->toBe($tenant->slackUrl);
    expect(config('logging.channels.slack.username'))->toBe('Default'); // Still remains default since we only override url

    tenancy()->end();

    expect(config('logging.channels.slack.url'))->toBe($originalSlackUrl);
    expect(config('logging.channels.slack.username'))->toBe('Default');
});

test('channel config keys remains unchanged if the specified tenant override property is not set', function() {
    config(['logging.default' => 'slack']);
    config(['logging.channels.slack.username' => 'Default username']);

    LogTenancyBootstrapper::$channelOverrides = [
        'slack' => ['username' => 'nonExistentProperty'], // $tenant->nonExistentProperty
    ];

    tenancy()->initialize(Tenant::create());

    // The username should remain unchanged since the tenant property is not set
    expect(config('logging.channels.slack.username'))->toBe('Default username');
});

test('channel overrides take precedence over the default storage path channel updating logic', function () {
    config(['logging.default' => 'single']);

    $tenant = Tenant::create(['id' => 'tenant1']);

    LogTenancyBootstrapper::$channelOverrides = [
        'single' => function ($config, $tenant) {
            $config->set('logging.channels.single.path', storage_path("logs/override-{$tenant->id}.log"));
        },
    ];

    tenancy()->initialize($tenant);

    // Should use override, not the default storage path updating behavior
    expect(config('logging.channels.single.path'))->toEndWith('storage/logs/override-tenant1.log');
});

test('channels are forgotten and re-resolved during bootstrap and revert', function () {
    config([
        'tenancy.bootstrappers' => [
            FilesystemTenancyBootstrapper::class,
            LogTenancyBootstrapper::class,
        ],
        'logging.default' => 'single'
    ]);

    $logManager = app('log');
    $originalChannel = $logManager->channel('single');
    $originalSinglePath = config('logging.channels.single.path');

    $tenant = Tenant::create();

    tenancy()->initialize($tenant);

    // After bootstrap, the channel should be a new instance with the updated config
    $tenantChannel = $logManager->channel('single');
    $tenantSingleChannelPath = $tenantChannel->getLogger()->getHandlers()[0]->getUrl();

    expect($tenantChannel)->not()->toBe($originalChannel);
    expect($tenantSingleChannelPath)
        ->not()->toBe($originalSinglePath)
        ->toEndWith("storage/tenant{$tenant->id}/logs/laravel.log");

    tenancy()->end();

    // After revert, the channel should get re-resolved with the original config
    $currentChannel = $logManager->channel('single');
    $currentChannelPath = $currentChannel->getLogger()->getHandlers()[0]->getUrl();

    expect($currentChannel)->not()->toBe($tenantChannel);
    expect($currentChannelPath)->toBe($originalSinglePath);
});

// Test real usage
test('logs are written to tenant-specific files and do not leak between contexts', function () {
    config([
        'tenancy.bootstrappers' => [
            FilesystemTenancyBootstrapper::class,
            LogTenancyBootstrapper::class,
        ],
        'logging.default' => 'single',
    ]);

    $centralLogPath = storage_path('logs/laravel.log');

    logger('central');

    expect(file_get_contents($centralLogPath))->toContain('central');

    [$tenant1, $tenant2] = [Tenant::create(['id' => 'tenant1']), Tenant::create(['id' => 'tenant2'])];

    tenancy()->runForMultiple([$tenant1, $tenant2], function (Tenant $tenant) use ($centralLogPath) {
        logger($tenant->id);

        $tenantLogPath = storage_path('logs/laravel.log');

        // The log gets saved to the tenant's storage directory (default behavior)
        expect($tenantLogPath)
            ->not()->toBe($centralLogPath)
            ->toEndWith("storage/tenant{$tenant->id}/logs/laravel.log");

        expect(file_get_contents($tenantLogPath))
            ->toContain($tenant->id)
            ->not()->toContain('central');
    });

    // Tenant log messages didn't leak into central log
    expect(file_get_contents($centralLogPath))
        ->toContain('central')
        ->not()->toContain('tenant1')
        ->not()->toContain('tenant2');

    // Tenant log messages didn't leak to logs of other tenants
    tenancy()->initialize($tenant1);

    expect(file_get_contents(storage_path('logs/laravel.log')))
        ->toContain('tenant1')
        ->not()->toContain('central')
        ->not()->toContain('tenant2');

    tenancy()->initialize($tenant2);

    expect(file_get_contents(storage_path('logs/laravel.log')))
        ->toContain('tenant2')
        ->not()->toContain('central')
        ->not()->toContain('tenant1');

    // Overriding the channels also works
    // Channel overrides also override the default behavior for the storage path-based channels
    $tenant = Tenant::create(['id' => 'override-tenant']);

    LogTenancyBootstrapper::$channelOverrides = [
        'single' => function ($config, $tenant) {
            // The tenant log path will be set to storage/tenantoverride-tenant/logs/custom-override-tenant.log
            $config->set('logging.channels.single.path', storage_path("logs/custom-{$tenant->id}.log"));
        },
    ];

    // Tenant context log (should use custom path due to override)
    tenancy()->initialize($tenant);

    logger('tenant-override');

    expect(file_get_contents(storage_path('logs/custom-override-tenant.log')))->toContain('tenant-override');
});

test('stack logs are written to all configured channels with tenant-specific paths', function () {
    config([
        'tenancy.bootstrappers' => [
            FilesystemTenancyBootstrapper::class,
            LogTenancyBootstrapper::class,
        ],
        'logging.default' => 'stack',
        'logging.channels.stack' => [
            'driver' => 'stack',
            'channels' => ['single', 'daily'],
        ],
    ]);

    $tenant = Tenant::create(['id' => 'stack-tenant']);
    $today = now()->format('Y-m-d');

    // Central context stack log
    logger('central');
    $centralSingleLogPath = storage_path('logs/laravel.log');
    $centralDailyLogPath = storage_path("logs/laravel-{$today}.log");

    expect(file_get_contents($centralSingleLogPath))->toContain('central');
    expect(file_get_contents($centralDailyLogPath))->toContain('central');

    // Tenant context stack log
    tenancy()->initialize($tenant);
    logger('tenant');
    $tenantSingleLogPath = storage_path('logs/laravel.log');
    $tenantDailyLogPath = storage_path("logs/laravel-{$today}.log");

    expect(file_get_contents($tenantSingleLogPath))->toContain('tenant');
    expect(file_get_contents($tenantDailyLogPath))->toContain('tenant');

    // Verify tenant logs don't contain central messages
    expect(file_get_contents($tenantSingleLogPath))->not()->toContain('central');
    expect(file_get_contents($tenantDailyLogPath))->not()->toContain('central');

    tenancy()->end();

    // Verify central logs still only contain the central messages
    expect(file_get_contents($centralSingleLogPath))
        ->toContain('central')
        ->not()->toContain('tenant');

    expect(file_get_contents($centralDailyLogPath))
        ->toContain('central')
        ->not()->toContain('tenant');
});

test('slack channel uses correct webhook urls', function () {
    config([
        'logging.default' => 'slack',
        'logging.channels.slack.url' => 'central-webhook',
        'logging.channels.slack.level' => 'debug', // Set level to debug to keep the tests simple, since the default level here is 'critical'
    ]);

    $tenant1 = Tenant::create(['id' => 'tenant1', 'slackUrl' => 'tenant1-webhook']);
    $tenant2 = Tenant::create(['id' => 'tenant2', 'slackUrl' => 'tenant2-webhook']);

    LogTenancyBootstrapper::$channelOverrides = [
        'slack' => ['url' => 'slackUrl'],
    ];

    // Test central context - should attempt to use central webhook
    // Because the Slack channel uses cURL to send messages, we cannot use Http::fake() here.
    // Instead, we catch the exception and check the error message which contains the actual webhook URL.
    try {
        logger('central');
    } catch (Exception $e) {
        expect($e->getMessage())->toContain('central-webhook');
    }

    // Slack channel should attempt to use the tenant-specific webhooks
    tenancy()->runForMultiple([$tenant1, $tenant2], function (Tenant $tenant) {
        try {
            logger($tenant->id);
        } catch (Exception $e) {
            expect($e->getMessage())->toContain($tenant->slackUrl);
        }
    });

    // Central context, central webhook should be used again
    try {
        logger('central');
    } catch (Exception $e) {
        expect($e->getMessage())->toContain('central-webhook');
    }
});