<?php

require_once 'TestRunner.php';

class WorkflowManager
{
    private $testRunner;
    private $campaignData = [];

    public function __construct($testRunner)
    {
        $this->testRunner = $testRunner;
    }

    public function getCampaignFolders()
    {
        $requests = $this->testRunner->getAvailableRequests();
        
        // Find the "Retrieve Localized Campaign Folders" request
        foreach ($requests as $index => $request) {
            if (strpos(strtolower($request['name']), 'localized campaign') !== false) {
                $result = $this->testRunner->runSingleTest($request, $index);
                
                if ($result['status'] === 'PASS') {
                    $responseData = json_decode($result['response']['body'], true);
                    
                    // Handle the actual API response structure
                    if (isset($responseData['search_result_resource']['search_result']['asset_list'])) {
                        $this->campaignData = ['items' => $responseData['search_result_resource']['search_result']['asset_list']];
                    } else {
                        $this->campaignData = $responseData;
                    }
                    
                    return $result;
                }
                break;
            }
        }
        
        return null;
    }

    public function getActionableCampaigns()
    {
        if (empty($this->campaignData) || !isset($this->campaignData['items'])) {
            return [];
        }

        $actionable = [];
        
        foreach ($this->campaignData['items'] as $campaign) {
            if ($this->shouldProcessCampaign($campaign)) {
                $actionable[] = [
                    'id' => $campaign['asset_id'] ?? $campaign['id'] ?? 'Unknown',
                    'name' => $this->getCampaignMetadata($campaign, 'FERRERO.FIELD.CAMPAIGN_NAME') ?? 'Unnamed',
                    'campaign_id' => $this->getCampaignMetadata($campaign, 'FERRERO.FIELD.CAMPAIGN ID'),
                    'campaign_name' => $this->getCampaignMetadata($campaign, 'FERRERO.FIELD.CAMPAIGN NAME'),
                    'campaign_type' => $this->getCampaignMetadata($campaign, 'FERRERO.FIELD.CAMPAIGN TYPE'),
                    'folder_data' => $campaign
                ];
            }
        }

        return $actionable;
    }

    private function shouldProcessCampaign($campaign)
    {
        // Define your criteria for campaigns that need processing
        $campaignType = $this->getCampaignMetadata($campaign, 'FERRERO.FIELD.CAMPAIGN TYPE');
        
        // Example criteria - adjust based on your business rules
        $actionableTypes = ['ACTIVE', 'PENDING', 'IN_PROGRESS', 'READY_FOR_SCALING'];
        
        if (in_array($campaignType, $actionableTypes)) {
            return true;
        }

        // Additional criteria can be added here
        // - Modified in last X days
        // - Missing certain metadata
        // - Specific naming patterns
        
        return false;
    }

    private function getCampaignMetadata($campaign, $fieldName)
    {
        // Use the same metadata extraction logic as ResponseFormatter
        return $this->getMetadataValue($campaign, $fieldName);
    }
    
    private function getMetadataValue($asset, $fieldId)
    {
        if (!isset($asset['metadata']['metadata_element_list'])) {
            return null;
        }
        
        foreach ($asset['metadata']['metadata_element_list'] as $category) {
            if (!isset($category['metadata_element_list'])) {
                continue;
            }
            
            foreach ($category['metadata_element_list'] as $element) {
                if ($element['id'] === $fieldId && isset($element['value']['value']['value'])) {
                    return $element['value']['value']['value'];
                }
                
                // Handle tabular fields (like brand, market)
                if (isset($element['metadata_element_list'])) {
                    foreach ($element['metadata_element_list'] as $tableField) {
                        if ($tableField['id'] === $fieldId && isset($tableField['value']['value']['value'])) {
                            return $tableField['value']['value']['value'];
                        }
                        
                        // Handle domain values
                        if ($tableField['id'] === $fieldId && isset($tableField['value']['value']['field_value']['value'])) {
                            return $tableField['value']['value']['display_value'] ?? $tableField['value']['value']['field_value']['value'];
                        }
                    }
                }
            }
        }
        
        return null;
    }

    public function processCampaign($campaignId)
    {
        $workflow = [];
        
        // Step 1: Get Master Asset and Final Asset folders
        $folderResult = $this->getMasterAndFinalAssetFolders($campaignId);
        $workflow['folders'] = $folderResult;
        
        if ($folderResult['status'] === 'PASS') {
            $folders = json_decode($folderResult['response']['body'], true);
            
            foreach ($folders['items'] ?? [] as $folder) {
                $folderName = strtolower($folder['name'] ?? '');
                
                // Step 2: Process Master Asset folder
                if (strpos($folderName, 'master') !== false) {
                    $assetsResult = $this->getAssetsFromFolder($folder['id']);
                    $workflow['master_assets'] = $assetsResult;
                }
                
                // Step 3: Process Final Asset folder  
                if (strpos($folderName, 'final') !== false) {
                    $assetsResult = $this->getAssetsFromFolder($folder['id']);
                    $workflow['final_assets'] = $assetsResult;
                }
            }
        }

        return $workflow;
    }

    private function getMasterAndFinalAssetFolders($campaignId)
    {
        $requests = $this->testRunner->getAvailableRequests();
        
        foreach ($requests as $index => $request) {
            $name = strtolower($request['name']);
            if (strpos($name, 'master asset folder') !== false && strpos($name, 'final asset') !== false) {
                // Modify request to use specific campaign ID
                $modifiedRequest = $request;
                if (isset($modifiedRequest['request']['url'])) {
                    if (is_array($modifiedRequest['request']['url'])) {
                        $url = $modifiedRequest['request']['url']['raw'];
                    } else {
                        $url = $modifiedRequest['request']['url'];
                    }
                    
                    // Replace placeholder ID with actual campaign ID
                    $url = str_replace(':id', $campaignId, $url);
                    $url = str_replace('6930c59abea5bd4259b67f7647f65cd01d36278d', $campaignId, $url);
                    
                    if (is_array($modifiedRequest['request']['url'])) {
                        $modifiedRequest['request']['url']['raw'] = $url;
                    } else {
                        $modifiedRequest['request']['url'] = $url;
                    }
                }
                
                return $this->testRunner->runSingleTest($modifiedRequest, $index);
            }
        }
        
        return ['status' => 'ERROR', 'message' => 'Master/Final Asset folder request not found'];
    }

    private function getAssetsFromFolder($folderId)
    {
        $requests = $this->testRunner->getAvailableRequests();
        
        foreach ($requests as $index => $request) {
            $name = strtolower($request['name']);
            if (strpos($name, 'all assets from') !== false) {
                // Modify request to use specific folder ID
                $modifiedRequest = $request;
                if (isset($modifiedRequest['request']['url'])) {
                    if (is_array($modifiedRequest['request']['url'])) {
                        $url = $modifiedRequest['request']['url']['raw'];
                    } else {
                        $url = $modifiedRequest['request']['url'];
                    }
                    
                    // Replace placeholder ID with actual folder ID
                    $url = str_replace(':id', $folderId, $url);
                    $url = preg_replace('/folders\/[^\/]+\//', "folders/{$folderId}/", $url);
                    
                    if (is_array($modifiedRequest['request']['url'])) {
                        $modifiedRequest['request']['url']['raw'] = $url;
                    } else {
                        $modifiedRequest['request']['url'] = $url;
                    }
                }
                
                return $this->testRunner->runSingleTest($modifiedRequest, $index);
            }
        }
        
        return ['status' => 'ERROR', 'message' => 'Assets request not found'];
    }

    public function generateWorkflowReport($campaigns)
    {
        $report = "<div class='workflow-report'>";
        $report .= "<h2>Content Scaling Workflow Report</h2>";
        $report .= "<p>Generated: " . date('Y-m-d H:i:s') . "</p>";
        
        if (empty($campaigns)) {
            $report .= "<p>No campaigns require action at this time.</p>";
        } else {
            $report .= "<p><strong>" . count($campaigns) . " campaigns</strong> identified for content scaling:</p>";
            
            foreach ($campaigns as $index => $campaign) {
                $report .= "<div class='campaign-summary' style='border: 1px solid #ddd; margin: 10px 0; padding: 15px; border-radius: 4px;'>";
                $report .= "<h4>" . ($index + 1) . ". " . htmlspecialchars($campaign['campaign_name'] ?? $campaign['name']) . "</h4>";
                $report .= "<p><strong>Campaign ID:</strong> " . htmlspecialchars($campaign['campaign_id'] ?? 'N/A') . "</p>";
                $report .= "<p><strong>Type:</strong> " . htmlspecialchars($campaign['campaign_type'] ?? 'N/A') . "</p>";
                $report .= "<p><strong>Folder ID:</strong> " . htmlspecialchars($campaign['id']) . "</p>";
                $report .= "</div>";
            }
        }
        
        $report .= "</div>";
        return $report;
    }
}