<?php

namespace App\Livewire\Project\Shared;

use App\Actions\Shared\CloneVolumeDataWithSourceStopped;
use App\Actions\Shared\MigrateResourceToDestination;
use App\Jobs\VolumeCloneJob;
use App\Models\Application;
use App\Models\Environment;
use App\Models\Project;
use App\Models\Server;
use App\Models\StandaloneClickhouse;
use App\Models\StandaloneDocker;
use App\Models\StandaloneDragonfly;
use App\Models\StandaloneKeydb;
use App\Models\StandaloneMariadb;
use App\Models\StandaloneMongodb;
use App\Models\StandaloneMysql;
use App\Models\StandalonePostgresql;
use App\Models\StandaloneRedis;
use App\Models\StandaloneSqlite;
use App\Models\SwarmDocker;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Validation\ValidationException;
use Livewire\Component;
use RuntimeException;

class ResourceOperations extends Component
{
    use AuthorizesRequests;

    public $resource;

    public $projectUuid;

    public $environmentUuid;

    public $projects;

    public $servers;

    public $buildServers;

    public bool $cloneVolumeData = false;

    public bool $migrateVolumeData = true;

    public function mount()
    {
        $parameters = get_route_parameters();
        $this->projectUuid = data_get($parameters, 'project_uuid');
        $this->environmentUuid = data_get($parameters, 'environment_uuid');
        $teamId = $this->resourceTeamId();
        $this->projects = Project::query()->where('team_id', $teamId)->orderByRaw('LOWER(name)')->get();
        $servers = Server::query()->where('team_id', $teamId)->get();
        $this->servers = $servers->reject(fn ($server) => $server->isBuildServer());
        $this->buildServers = $servers->filter(fn ($server) => $server->isBuildServer());
    }

    public function toggleVolumeCloning(bool $value)
    {
        $this->cloneVolumeData = $value;
    }

    public function toggleVolumeMigration(bool $value): void
    {
        $this->migrateVolumeData = $value;
    }

    public function cloneTo($destination_uuid, $environment_id = null)
    {
        try {
            $this->authorize('update', $this->resource);
            if ($this->cloneVolumeData) {
                $this->authorize(CloneVolumeDataWithSourceStopped::sourceAbility($this->resource), $this->resource);
            }

            $new_environment = $this->resource->environment;
            if ($environment_id !== null) {
                $new_environment = $this->findResourceTeamEnvironment($environment_id);
                if (! $new_environment) {
                    return $this->addError('environment_id', 'Environment not found.');
                }
            }

            $new_destination = $this->findResourceTeamDestination($destination_uuid);
            if (! $new_destination) {
                return $this->addError('destination_id', 'Destination not found.');
            }
            $uuid = new_public_id();
            $server = $new_destination->server;
            if (! $server->canHostResources()) {
                return $this->addError('destination_id', 'The selected server cannot host resources.');
            }
            auditLog('ui.resource.clone_started', [
                'team_id' => $this->resource->team()?->id,
                'resource_uuid' => $this->resource->uuid,
                'resource_name' => $this->resource->name,
                'resource_type' => class_basename($this->resource),
                'destination_uuid' => $new_destination->uuid,
                'environment_id' => $new_environment->id,
            ]);

            if ($this->resource->getMorphClass() === Application::class) {
                $new_resource = clone_application($this->resource, $new_destination, [
                    'uuid' => $uuid,
                    'environment_id' => $new_environment->id,
                ], $this->cloneVolumeData);

                $route = route('project.application.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'application_uuid' => $new_resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            } elseif (
                $this->resource->getMorphClass() === StandalonePostgresql::class ||
                $this->resource->getMorphClass() === StandaloneMongodb::class ||
                $this->resource->getMorphClass() === StandaloneMysql::class ||
                $this->resource->getMorphClass() === StandaloneMariadb::class ||
                $this->resource->getMorphClass() === StandaloneRedis::class ||
                $this->resource->getMorphClass() === StandaloneKeydb::class ||
                $this->resource->getMorphClass() === StandaloneDragonfly::class ||
                $this->resource->getMorphClass() === StandaloneClickhouse::class ||
                $this->resource->getMorphClass() === StandaloneSqlite::class
            ) {
                $uuid = new_public_id();
                $new_resource = $this->resource->replicate([
                    'id',
                    'created_at',
                    'updated_at',
                ])->fill([
                    'uuid' => $uuid,
                    'name' => clone_resource_name($this->resource->name, $uuid),
                    'status' => 'exited',
                    'started_at' => null,
                    'environment_id' => $new_environment->id,
                    'destination_id' => $new_destination->id,
                    'destination_type' => $new_destination->getMorphClass(),
                ]);
                $new_resource->save();

                $tags = $this->resource->tags;
                foreach ($tags as $tag) {
                    $new_resource->tags()->attach($tag->id);
                }

                $new_resource->persistentStorages()->delete();
                $pendingVolumeClones = [];
                $persistentVolumes = $this->resource->persistentStorages()->get();
                foreach ($persistentVolumes as $volume) {
                    $originalName = $volume->name;
                    $newName = '';

                    if (str_starts_with($originalName, 'postgres-data-')) {
                        $newName = 'postgres-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'mysql-data-')) {
                        $newName = 'mysql-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'redis-data-')) {
                        $newName = 'redis-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'clickhouse-data-')) {
                        $newName = 'clickhouse-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'mariadb-data-')) {
                        $newName = 'mariadb-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'mongodb-data-')) {
                        $newName = 'mongodb-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'keydb-data-')) {
                        $newName = 'keydb-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'dragonfly-data-')) {
                        $newName = 'dragonfly-data-'.$new_resource->uuid;
                    } elseif (str_starts_with($originalName, 'sqlite-data-')) {
                        $newName = 'sqlite-data-'.$new_resource->uuid;
                    } else {
                        if (str_starts_with($volume->name, $this->resource->uuid)) {
                            $newName = str($volume->name)->replace($this->resource->uuid, $new_resource->uuid);
                        } else {
                            $newName = $new_resource->uuid.'-'.$volume->name;
                        }
                    }

                    $newPersistentVolume = $volume->replicate([
                        'id',
                        'created_at',
                        'updated_at',
                        'uuid',
                    ])->fill([
                        'name' => $newName,
                        'resource_id' => $new_resource->id,
                    ]);
                    $newPersistentVolume->save();

                    if ($this->cloneVolumeData) {
                        $pendingVolumeClones[] = new VolumeCloneJob(
                            $volume->name,
                            $newPersistentVolume->name,
                            $this->resource->destination->server,
                            $new_resource->destination->server,
                            $newPersistentVolume,
                        );
                    }
                }

                CloneVolumeDataWithSourceStopped::run($this->resource, $pendingVolumeClones);

                $fileStorages = $this->resource->fileStorages()->get();
                foreach ($fileStorages as $storage) {
                    $newStorage = $storage->replicate([
                        'id',
                        'created_at',
                        'updated_at',
                    ])->fill([
                        'resource_id' => $new_resource->id,
                    ]);
                    $newStorage->save();
                }

                $scheduledBackups = $this->resource->scheduledBackups()->get();
                foreach ($scheduledBackups as $backup) {
                    $uuid = new_public_id();
                    $newBackup = $backup->replicate([
                        'id',
                        'created_at',
                        'updated_at',
                    ])->fill([
                        'uuid' => $uuid,
                        'database_id' => $new_resource->id,
                        'database_type' => $new_resource->getMorphClass(),
                        'team_id' => $this->resourceTeamId(),
                    ]);
                    $newBackup->save();
                    $backup->copyS3StoragesTo($newBackup);
                }

                $environmentVaribles = $this->resource->environment_variables()->get();
                foreach ($environmentVaribles as $environmentVarible) {
                    $payload = [
                        'resourceable_id' => $new_resource->id,
                        'resourceable_type' => $new_resource->getMorphClass(),
                    ];
                    $newEnvironmentVariable = $environmentVarible->replicate([
                        'id',
                        'created_at',
                        'updated_at',
                    ])->fill($payload);
                    $newEnvironmentVariable->save();
                }

                $this->resource->cloneSecretManagerLinkTo($new_resource);

                $route = route('project.database.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'database_uuid' => $new_resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            } elseif ($this->resource->type() === 'service') {
                $new_resource = clone_service($this->resource, $new_destination, [
                    'environment_id' => $new_environment->id,
                ], $this->cloneVolumeData);

                $route = route('project.service.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'service_uuid' => $new_resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            }
        } catch (\Throwable $e) {
            return handleError($e, $this);
        }
    }

    public function moveTo($environment_id)
    {
        try {
            $this->authorize('update', $this->resource);
            $new_environment = $this->findResourceTeamEnvironment($environment_id);
            if (! $new_environment) {
                return $this->addError('environment_id', 'Environment not found.');
            }
            $this->resource->fill([
                'environment_id' => $new_environment->id,
            ])->save();
            if ($this->resource->type() === 'application') {
                $route = route('project.application.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'application_uuid' => $this->resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            } elseif (str($this->resource->type())->startsWith('standalone-')) {
                $route = route('project.database.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'database_uuid' => $this->resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            } elseif ($this->resource->type() === 'service') {
                $route = route('project.service.configuration', [
                    'project_uuid' => $new_environment->project->uuid,
                    'environment_uuid' => $new_environment->uuid,
                    'service_uuid' => $this->resource->uuid,
                ]).'#resource-operations';

                return redirect()->to($route);
            }
        } catch (\Throwable $e) {
            return handleError($e, $this);
        }
    }

    public function migrateTo(string $destination_uuid)
    {
        try {
            $this->authorize('update', $this->resource);

            $new_destination = $this->findResourceTeamDestination($destination_uuid);
            if (! $new_destination) {
                return $this->dispatch('error', 'Destination not found.');
            }

            $result = MigrateResourceToDestination::run(
                $this->resource,
                $new_destination,
                $this->migrateVolumeData,
            );

            $this->dispatch('success', $result['message']);

            $this->resource->loadMissing('environment.project');
            $projectUuid = $this->projectUuid ?? $this->resource->environment?->project?->uuid;
            $environmentUuid = $this->environmentUuid ?? $this->resource->environment?->uuid;

            if (! $projectUuid || ! $environmentUuid) {
                return null;
            }

            if ($this->resource->type() === 'application') {
                $route = route('project.application.configuration', [
                    'project_uuid' => $projectUuid,
                    'environment_uuid' => $environmentUuid,
                    'application_uuid' => $this->resource->uuid,
                ]).'#resource-operations';
            } elseif (str($this->resource->type())->startsWith('standalone-')) {
                $route = route('project.database.configuration', [
                    'project_uuid' => $projectUuid,
                    'environment_uuid' => $environmentUuid,
                    'database_uuid' => $this->resource->uuid,
                ]).'#resource-operations';
            } elseif ($this->resource->type() === 'service') {
                $route = route('project.service.configuration', [
                    'project_uuid' => $projectUuid,
                    'environment_uuid' => $environmentUuid,
                    'service_uuid' => $this->resource->uuid,
                ]).'#resource-operations';
            } else {
                return null;
            }

            return redirect()->to($route);
        } catch (ValidationException $e) {
            $message = collect($e->errors())->flatten()->first() ?? $e->getMessage();

            return $this->dispatch('error', $message);
        } catch (\Throwable $e) {
            return handleError($e, $this);
        }
    }

    private function resourceTeamId(): int
    {
        return $this->resource->team()?->id ?? throw new RuntimeException('The resource has no team.');
    }

    /** Cloning and moving stay inside the resource team; the session team can differ after a team switch. */
    private function findResourceTeamEnvironment(int|string|null $environmentId): ?Environment
    {
        return Environment::query()
            ->whereRelation('project', 'team_id', $this->resourceTeamId())
            ->find($environmentId);
    }

    private function findResourceTeamDestination(?string $uuid): StandaloneDocker|SwarmDocker|null
    {
        if (blank($uuid)) {
            return null;
        }

        $teamId = $this->resourceTeamId();
        $destination = StandaloneDocker::query()->whereRelation('server', 'team_id', $teamId)->where('uuid', $uuid)->first()
            ?? SwarmDocker::query()->whereRelation('server', 'team_id', $teamId)->where('uuid', $uuid)->first();

        return $destination?->server?->canHostResources() ? $destination : null;
    }

    public function render()
    {
        return view('livewire.project.shared.resource-operations');
    }
}