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<?php namespace App\Services\AiWebsite\HotelManagement; use App\Models\User\HotelBooking\Coupon; use App\Services\MasterAiGenerator; use Carbon\Carbon; class RoomCouponService { protected $ai; protected $isDeleteOldRecords; public function __construct(MasterAiGenerator $ai) { $this->ai = $ai; $this->isDeleteOldRecords = $this->ai->isDeleteOldRecords(); } /** * Generate multiple room coupons for current user. / public function generate() { // Delete old records if ($this->isDeleteOldRecords) { $userId = $this->ai->getUserId(); Coupon::where('user_id', $userId)->delete(); } $definitions = $this->getCouponDefinitions(); $serial = 1; foreach ($definitions as $def) { $codeRaw = $this->ai->generateText($def['code_prompt']); $nameRaw = $this->ai->generateText($def['name_prompt']); $code = $this->extractCode($codeRaw); $name = $this->extractCleanText($nameRaw); if (Coupon::where('user_id', $this->ai->getUserId())->where('code', $code)->exists()) { $code .= strtoupper(rand(10, 99)); } $start = Carbon::now()->addDays($def['start_offset_days'])->format('Y-m-d'); $end = Carbon::now()->addDays($def['end_offset_days'])->format('Y-m-d'); Coupon::create([ 'user_id' => $this->ai->getUserId(), 'name' => $name, 'code' => $code, 'type' => $def['type'], 'value' => $def['value'], 'start_date' => $start, 'end_date' => $end, 'rooms' => $def['rooms'] ? json_encode($def['rooms']) : null, 'serial_number' => $serial, ]); $serial++; } } private function getCouponDefinitions(): array { $businessName = $this->ai->getBusinessName(); $baseContext = "{$businessName} is a hotel or accommodation business. Generate guest‑friendly, clear coupon info."; return [ [ 'name_prompt' => "You must return ONLY 3-6 words. No formatting, no explanation. Generate a hotel coupon name for early bird bookings. Examples: Early Bird Room Discount, Book Early Save More, Advance Booking Offer Output: Just the name text, nothing else. Context: {$baseContext}", 'code_prompt' => "You must return ONLY ONE coupon code of 6-10 characters, uppercase letters and numbers, no spaces. Examples: EARLY20, ADVANCE15, BOOKAHEAD10 Output: Just the code, nothing else.", 'type' => 'fixed', 'value' => 15, 'start_offset_days' => 0, 'end_offset_days' => 60, 'rooms' => null, ], [ 'name_prompt' => "You must return ONLY 3-6 words. No formatting, no explanation. Generate a hotel coupon name for weekend stays. Examples: Weekend Getaway Deal, Stay More Save More, Weekend Special Offer Output: Just the name text, nothing else. Context: {$baseContext}", 'code_prompt' => "You must return ONLY ONE coupon code of 6-10 characters, uppercase letters and numbers, no spaces. Examples: WEEKEND20, GETAWAY15, STAYFRI Output: Just the code, nothing else.", 'type' => 'percentage', 'value' => 20, 'start_offset_days' => 0, 'end_offset_days' => 45, 'rooms' => null, ], [ 'name_prompt' => "You must return ONLY 3-6 words. No formatting, no explanation. Generate a hotel coupon name for long stays with a free night. Examples: Stay 3 Nights Pay 2, Long Stay Free Night, Extended Stay Reward Output: Just the name text, nothing else. Context: {$baseContext}", 'code_prompt' => "You must return ONLY ONE coupon code of 6-10 characters, uppercase letters and numbers, no spaces. Examples: STAY3PAY2, LONGSTAY, FREEDAY Output: Just the code, nothing else.", 'type' => 'night_free', 'value' => 5, 'start_offset_days' => 0, 'end_offset_days' => 90, 'rooms' => null, ], ]; } private function extractCode(string $text): string { $text = strtoupper(trim($text)); // remove spaces and non A-Z0-9 $text = preg_replace('/[^A-Z0-9]/', '', $text); if (strlen($text) > 10) { $text = substr($text, 0, 10); } if ($text === '') { $text = 'ROOM' . rand(1000, 9999); } return $text; } private function extractCleanText(string $text): string { $text = preg_replace('/^(Here are\|Here is\|Sure\|Certainly)./i', '', $text); $text = preg_replace('/[*_#`~\[\]"<>]/', '', $text); $text = preg_replace('/\s+/', ' ', $text); return trim($text); } }

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