<?php
namespace Sodino\Models;

/**
 * Rule Model
 */
class Rule {
    public $id;
    public $name;
    public $conditions;
    public $actions;
    public $priority;
    public $usage_limit;
    public $user_roles;
    public $start_date;
    public $end_date;
    public $enabled;
    public $condition_type;
    public $condition_value;
    public $action_type;
    public $action_value;
    public $created_at;
    public $updated_at;

    /**
     * Constructor
     */
    public function __construct($data = []) {
        $this->id = $data['id'] ?? null;
        $this->name = $data['name'] ?? '';
        $this->conditions = $this->parseJsonField($data['conditions'] ?? '[]');
        $this->actions = $this->parseJsonField($data['actions'] ?? '[]');
        $this->priority = isset($data['priority']) ? (int) $data['priority'] : 10;
        $this->usage_limit = isset($data['usage_limit']) ? (int) $data['usage_limit'] : 0;
        $this->user_roles = $this->parseRolesField($data['user_roles'] ?? '');
        $this->start_date = $data['start_date'] ?? null;
        $this->end_date = $data['end_date'] ?? null;
        $this->enabled = isset($data['enabled']) ? (int) $data['enabled'] : 1;
        $this->condition_type = $data['condition_type'] ?? '';
        $this->condition_value = $data['condition_value'] ?? '';
        $this->action_type = $data['action_type'] ?? '';
        $this->action_value = $data['action_value'] ?? '';
        $this->created_at = $data['created_at'] ?? null;
        $this->updated_at = $data['updated_at'] ?? null;

        if (empty($this->conditions) && !empty($this->condition_type)) {
            $this->conditions = [
                ['type' => $this->condition_type, 'value' => $this->condition_value],
            ];
        }

        if (empty($this->actions) && !empty($this->action_type)) {
            $this->actions = [
                ['type' => $this->action_type, 'value' => $this->action_value],
            ];
        }
    }

    private function parseJsonField($value) {
        if (is_array($value)) {
            return $value;
        }

        $decoded = json_decode($value, true);
        return is_array($decoded) ? $decoded : [];
    }

    private function parseRolesField($value) {
        if (is_array($value)) {
            return array_filter(array_map('trim', $value));
        }

        if (!is_string($value)) {
            return [];
        }

        return array_filter(array_map('trim', explode(',', $value)));
    }

    /**
     * Convert to array
     */
    public function toArray() {
        return [
            'id' => $this->id,
            'name' => $this->name,
            'conditions' => wp_json_encode($this->conditions),
            'actions' => wp_json_encode($this->actions),
            'priority' => $this->priority,
            'usage_limit' => $this->usage_limit,
            'user_roles' => is_array($this->user_roles) ? implode(',', $this->user_roles) : $this->user_roles,
            'start_date' => $this->start_date,
            'end_date' => $this->end_date,
            'enabled' => $this->enabled,
            'condition_type' => $this->condition_type,
            'condition_value' => $this->condition_value,
            'action_type' => $this->action_type,
            'action_value' => $this->action_value,
            'created_at' => $this->created_at,
            'updated_at' => $this->updated_at,
        ];
    }
}