<?php

namespace App\Api\Plugins;

use App\Models\ApiProvider;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;

class RunwareAi implements ApiPluginInterface
{
    use LoggablePlugin;

    protected $apiProvider;

    public function __construct(ApiProvider $apiProvider)
    {
        $this->apiProvider = $apiProvider;
        $this->logInfo('RunwareAi plugin initialized.', ['provider_name' => $apiProvider->name]);
    }

    public function getIdentifier(): string
    {
        return 'runwareai';
    }

    public function getName(): string
    {
        return 'RunwareAI';
    }

    public function isEnabled(): bool
    {
        return $this->apiProvider->enabled;
    }

    public function enable(): bool
    {
        $this->apiProvider->enabled = true;
        $result = $this->apiProvider->save();
        if ($result) {
            $this->logInfo('RunwareAi plugin enabled.', ['provider_name' => $this->apiProvider->name]);
        } else {
            $this->logError('Failed to enable RunwareAi plugin.', ['provider_name' => $this->apiProvider->name]);
        }
        return $result;
    }

    public function disable(): bool
    {
        $this->apiProvider->enabled = false;
        $result = $this->apiProvider->save();
        if ($result) {
            $this->logInfo('RunwareAi plugin disabled.', ['provider_name' => $this->apiProvider->name]);
        } else {
            $this->logError('Failed to disable RunwareAi plugin.', ['provider_name' => $this->apiProvider->name]);
        }
        return $result;
    }

    public function getStatus(string $imageUUID): array
    {
        $this->logDebug('Getting status for image.', ['image_uuid' => $imageUUID]);
        // Implement RunwareAI specific status check
        return ['status' => 'unknown'];
    }

    public function getProgress(string $imageUUID): array
    {
        $this->logDebug('Getting progress for image.', ['image_uuid' => $imageUUID]);
        // Implement RunwareAI specific progress check
        return ['progress' => 0];
    }

    public function processImageStyleChange(string $imagePath, string $prompt, string $modelId, ?string $parameters = null): array
    {
        // Step 1: Upload the original image
        $uploadResult = $this->upload($imagePath);

        if (!isset($uploadResult['data'][0]['imageUUID'])) {
            throw new \Exception('Image upload to AI service failed or returned no UUID.');
        }
        $seedImageUUID = $uploadResult['data'][0]['imageUUID'];

        // Step 2: Request style change using the uploaded image's UUID
        $result = $this->styleChangeRequest($prompt, $seedImageUUID, $modelId, $parameters);

        if (!isset($result['base64Data'])) {
            throw new \Exception('AI service did not return base64 image data.');
        }

        return $result;
    }

    private function upload(string $imagePath): array
    {
        $this->logInfo('Attempting to upload image to RunwareAI.', ['image_path' => $imagePath]);
        if (!$this->apiProvider->api_url || !$this->apiProvider->token) {
            $this->logError('RunwareAI API URL or Token not configured for upload.', ['provider_name' => $this->apiProvider->name]);
            throw new \Exception('RunwareAI API URL or Token not configured.');
        }

        $apiUrl = rtrim($this->apiProvider->api_url, '/');
        $token = $this->apiProvider->token;
        $taskUUID = (string) Str::uuid();

        $imageData = 'data:image/png;base64,' . base64_encode(file_get_contents($imagePath));

        try {
            $response = Http::withHeaders([
                'Authorization' => 'Bearer ' . $token,
                'Accept' => 'application/json',
                'Content-Type' => 'application/json',
            ])->post($apiUrl, [
                [
                    'taskType' => 'imageUpload',
                    'taskUUID' => $taskUUID,
                    'image' => $imageData,
                ]
            ]);

            $response->throw();
            $this->logInfo('Image uploaded successfully to RunwareAI.', ['task_uuid' => $taskUUID, 'response' => $response->json()]);
            return $response->json();
        } catch (\Exception $e) {
            $this->logError('Image upload to RunwareAI failed.', ['error' => $e->getMessage(), 'image_path' => $imagePath]);
            throw $e;
        }
    }

    private function styleChangeRequest(string $prompt, string $seedImageUUID, string $modelId, ?string $parameters = null): array
    {
        $this->logInfo('Attempting style change request to RunwareAI.', ['prompt' => $prompt, 'seed_image_uuid' => $seedImageUUID]);
        if (!$this->apiProvider->api_url || !$this->apiProvider->token) {
            $this->logError('RunwareAI API URL or Token not configured for style change.', ['provider_name' => $this->apiProvider->name]);
            throw new \Exception('RunwareAI API URL or Token not configured.');
        }

        $apiUrl = rtrim($this->apiProvider->api_url, '/');
        $token = $this->apiProvider->token;
        $taskUUID = (string) Str::uuid();

        $data = [
            'taskType' => 'imageInference',
            'taskUUID' => $taskUUID,
            'positivePrompt' => $prompt,
            'seedImage' => $seedImageUUID,
            'outputType' => 'base64Data',
            'model' => $modelId,
        ];

        $decodedParameters = json_decode($parameters, true) ?? [];
        foreach ($decodedParameters as $key => $value) {
            $data[$key] = $value;
        }

        try {
            $response = Http::withHeaders([
                'Authorization' => 'Bearer ' . $token,
                'Accept' => 'application/json',
            ])->post($apiUrl, [
                $data
            ]);

            $response->throw();
            $responseData = $response->json();

            if (!isset($responseData['data'][0]['imageBase64Data'])) {
                throw new \Exception('AI service did not return base64 image data.');
            }

            $base64Image = $responseData['data'][0]['imageBase64Data'];

            $this->logInfo('Style change request successful to RunwareAI.', ['task_uuid' => $taskUUID, 'response' => $responseData]);
            return ['base64Data' => $base64Image];
        } catch (\Exception $e) {
            $errorData = [];
            /*if ($e instanceof \Illuminate\Http\Client\RequestException && $e->response) {
                $errorData['response_body'] = $e->response->body();
                $errorData['response_status'] = $e->response->status();
            }*/
            $this->logError('Style change request to RunwareAI failed.', ['error' => $e->getMessage(), 'task_uuid' => $taskUUID] + $errorData);
            throw $e;
        }
    }
}