<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;

class NotificationCheckRepairRate extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'notifications:check-daily-repair-rate';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Check if daily repair rate exceeds 12% AND overall repair rate exceeds 5%';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $startTime = microtime(true);
        $commandName = $this->signature;
        
        // Log command start
        logNotificationStart($commandName);
        
        $this->info('Checking daily repair rate...');
        
        $notificationCode = 'notification_daily_repair_rate_high';
        
        try {
            // Skip if checked recently (within 5 minutes)
            if (!shouldCheckNotification($notificationCode)) {
                $this->info('Skipping: Last notification sent less than 5 minutes ago.');
                logNotificationSkip($commandName, 'Last notification sent less than 5 minutes ago');
                return 0;
            }
        
        $today = Carbon::today()->toDateString();
        $lastCheck = getLastCheckTimestamp($notificationCode);
        
        // If not first run, check if new repairs/welds since last check
        if ($lastCheck !== null) {
            $newRepairs = DB::table('repair_logs')
                ->whereDate('repair_date', $today)
                ->where('created_at', '>', $lastCheck)
                ->count();
            
            $newWelds = DB::table('weld_logs')
                ->whereDate('welding_date', $today)
                ->where('created_at', '>', $lastCheck)
                ->count();
            
            if ($newRepairs == 0 && $newWelds == 0) {
                $this->info('No new repairs or welds since last check. Skipping.');
                $duration = microtime(true) - $startTime;
                logNotificationSkip($commandName, 'No new repairs or welds since last check');
                return 0;
            }
        }
        
        // Count today's repairs
        $repairCount = DB::table('repair_logs')
            ->whereDate('repair_date', $today)
            ->count();
        
        // Count today's welds
        $weldCount = DB::table('weld_logs')
            ->whereDate('welding_date', $today)
            ->count();
        
        if ($weldCount == 0) {
            $this->info("No welding records for today. Skipping repair rate check.");
            $duration = microtime(true) - $startTime;
            logNotificationSkip($commandName, 'No welding records for today');
            return 0;
        }
        
        $repairRate = ($repairCount / $weldCount) * 100;
        $threshold = 12;
        
        $this->info("Today's stats: {$repairCount} repairs / {$weldCount} welds = " . number_format($repairRate, 2) . "%");
        
        if ($repairRate > $threshold) {
            // Check for duplicate (same day already notified)
            if ($lastCheck !== null && $lastCheck->isToday()) {
                $this->info('Skipping: Already notified for today.');
                $duration = microtime(true) - $startTime;
                logNotificationSkip($commandName, 'Already notified for today');
                return 0;
            }
            
            $title = 'Daily Repair Rate Exceeds 12%';
            $message = sprintf(
                'Daily repair rate is %.2f%% (%d repairs out of %d welds), which exceeds the %d%% threshold. QC team attention required.',
                $repairRate,
                $repairCount,
                $weldCount,
                $threshold
            );
            
            $filterParams = [
                'table' => 'repair_logs',
                'conditions' => [
                    'repair_date' => $today
                ]
            ];
            
            $sentCount = sendNotification($notificationCode, $message, null, $title, $filterParams);
            
            $duration = microtime(true) - $startTime;
            logNotificationComplete($commandName, $sentCount, 1, 1, $duration);
            
            $this->warn("⚠️  HIGH REPAIR RATE: Notification sent to QC teams.");
            
            // Check overall (project-wide) repair rate
            $this->checkOverallRepairRate();
            
            return 0;
        }
        
        $this->info("✓ Daily repair rate is within acceptable limits.");
        
        // Check overall (project-wide) repair rate
        $this->checkOverallRepairRate();
        
        $duration = microtime(true) - $startTime;
        logNotificationComplete($commandName, 0, 0, 0, $duration);
        
        return 0;
        
        } catch (\Exception $e) {
            $duration = microtime(true) - $startTime;
            logNotificationError($commandName, $e->getMessage(), [
                'file' => $e->getFile(),
                'line' => $e->getLine(),
                'duration' => $duration,
            ]);
            
            $this->error("Error: " . $e->getMessage());
            return 1;
        }
    }
    
    /**
     * Check overall repair rate for entire project
     */
    private function checkOverallRepairRate()
    {
        $this->info('Checking overall project repair rate...');
        
        $notificationCode = 'notification_overall_repair_rate_high';
        
        // Skip if checked recently (within 5 minutes)
        if (!shouldCheckNotification($notificationCode)) {
            $this->info('Skipping overall rate: Last notification sent less than 5 minutes ago.');
            return;
        }
        
        $lastCheck = getLastCheckTimestamp($notificationCode);
        
        // If not first run, check if new repairs/welds since last check
        if ($lastCheck !== null) {
            $newRepairs = DB::table('repair_logs')
                ->where('created_at', '>', $lastCheck)
                ->count();
            
            $newWelds = DB::table('weld_logs')
                ->whereNotNull('welding_date')
                ->where('welding_date', '!=', '')
                ->where('welding_date', '!=', '0000-00-00')
                ->where('created_at', '>', $lastCheck)
                ->count();
            
            if ($newRepairs == 0 && $newWelds == 0) {
                $this->info('No new repairs or welds since last check. Skipping overall rate.');
                return;
            }
        }
        
        // Count total repairs (all time)
        $totalRepairs = DB::table('repair_logs')->count();
        
        // Count total welds (all time)
        $totalWelds = DB::table('weld_logs')
            ->whereNotNull('welding_date')
            ->where('welding_date', '!=', '')
            ->where('welding_date', '!=', '0000-00-00')
            ->count();
        
        if ($totalWelds == 0) {
            $this->info("No welding records found. Skipping overall repair rate check.");
            return;
        }
        
        $overallRepairRate = ($totalRepairs / $totalWelds) * 100;
        $threshold = 5;
        
        $this->info("Overall stats: {$totalRepairs} repairs / {$totalWelds} welds = " . number_format($overallRepairRate, 2) . "%");
        
        if ($overallRepairRate > $threshold) {
            // Check for duplicate
            if ($lastCheck !== null && isNotificationDuplicate($notificationCode, ['table' => 'repair_logs', 'conditions' => []])) {
                $this->info('Skipping: Already notified for overall rate.');
                return;
            }
            
            $title = 'Overall Repair Rate Exceeds 5%';
            $message = sprintf(
                'Overall project repair rate is %.2f%% (%d repairs out of %d welds), which exceeds the %d%% threshold. Quality improvement measures recommended.',
                $overallRepairRate,
                $totalRepairs,
                $totalWelds,
                $threshold
            );
            
            $filterParams = [
                'table' => 'repair_logs',
                'conditions' => []
            ];
            
            sendNotification($notificationCode, $message, null, $title, $filterParams);
            
            $this->warn("⚠️  HIGH OVERALL REPAIR RATE: Notification sent.");
        } else {
            $this->info("✓ Overall repair rate is within acceptable limits.");
        }
    }
}