<?php

namespace App\Models;

use CodeIgniter\Model;

class LeadsModel extends Model
{
    protected $table            = 'leads';
    protected $primaryKey       = 'id';
    protected $allowedFields = [
        'id',
        'lead_type',
        'issuer',
        'client_type',
        'client_name',
        'client_short_name',
        'entity_type_id',
        'client_code',
        'cost_center',
        'pan',
        'gst',
        'branch_name',
        'branch_code',
        'contact_person_name',
        'contact_person_mobile',
        'contact_person_email',
        'client_id',
        'client_branch_id',
        'source_policy_id',
        'policy_type_id',
        'salse_person_id',
        'insurer_id',
        'insurer_branch_id',
        'tpa_id',
        'tpa_branch_id',
        'policy_start_date',
        'policy_end_date',
        'no_of_lives',
        'incurred_claims',
        'location',
        'proposed_insurer_id',
        'proposed_insurer_branch_id',
        'proposed_tpa_id',
        'proposed_tpa_branch_id',
        'proposel_data',
        'status',
        'notes',
        'created_at',
        'created_by',
        'updated_at',
        'updated_by',
        'is_active',
        'is_client_created',

        'renewal_emp_count',
        'renewal_dept_count',
        'renewal_no_of_lives',
        'incept_emp_count',
        'incept_dept_count',
        'incept_no_of_lives',
        'exp_emp_count',
        'exp_dept_count',
        'exp_no_of_lives',
        'file_name',

        'incurred_claims_date',
        'paid_claims',
        'outstanding_claims',
        'policy_run_days',
        'premium_at_inception',
        'premium_date',
        'earned_premium',
        'annualised_claims',
        'incurred_claims_ratio',
        'earned_claims_ratio',

        'placement_date',
        'utr_no',
        'premium_amount',
        'total_amount',
        'cd_amount',

        'total_si_at_incept',
        'total_si_at_renewal',
        'fin_years_claims',

        'lead_form_type',
        'custom_fields',

        'source_policy_start_date',
        'source_policy_end_date',

        'payment_date',
        'is_cd',

        'is_installment',
        'no_of_installment',
        'is_policy_created',
        'claim_history',
        
        'total_lives_at_incept',
        'premium_at_incept',
    ];


    // Callbacks
    protected $allowCallbacks       = true;
    protected $beforeInsert         = ["checkAndADDCreatedByValue"];
    protected $afterInsert          = [];
    protected $beforeUpdate         = ["checkAndUpdateUpdatedByValue"];
    protected $afterUpdate          = [];
    protected $beforeFind           = [];
    protected $afterFind            = [];
    protected $beforeDelete         = [];
    protected $afterDelete          = [];

    protected function checkAndADDCreatedByValue(array $data)
    {
        // Check if 'updated_by' value is null or empty
        if (empty($data['data']['created_by'])) {
            // Set 'updated_by' value to the current session user ID
            $data['data']['created_by'] = get_session_userid();
        }

        return $data;
    }

    protected function checkAndUpdateUpdatedByValue(array $data)
    {
        // Check if 'updated_by' value is null or empty
        if (empty($data['data']['updated_by'])) {
            // Set 'updated_by' value to the current session user ID
            $data['data']['updated_by'] = get_session_userid();
        }

        return $data;
    }

    public function getLeadDataForLising($where = null)
    {

        $data = $this->select('
                        leads.*,
                        kyc_entity_type.name as entity_type,
                        policy_type.policy_type,
                        user_profiles.first_name as salse_person_name,

                        (
                            SELECT COUNT(*) AS qcr_count
                            FROM rfq
                            WHERE type = 2
                            AND is_active = 1 and lead_id = leads.id
                        ) AS qcr_count, 

                        (
                            SELECT COUNT(*) AS rfq_count
                            FROM rfq
                            WHERE type = 1
                            AND is_active = 1 and lead_id = leads.id

                        ) AS rfq_count
                ')
            ->join('kyc_entity_type', 'leads.entity_type_id = kyc_entity_type.id', 'left')
            ->join('user_profiles', 'leads.salse_person_id = user_profiles.id', 'left')
            ->join('policy_type', 'leads.policy_type_id = policy_type.id', 'left')
            ->where('leads.is_active', 1);

        if (!empty($where)) {
            $data->where($where);
        }

        return $data->orderBy('leads.id', 'desc')->findAll();
    }

    public function getLeadForInsertClientList($type = null, $client_id = null)
    {
        $query =   $this->db->table('leads')
            ->select('leads.*, user_profiles.first_name as user_name')
            ->join('user_profiles', 'leads.created_by = user_profiles.id')
            ->where('leads.is_active', 1)
            ->where('leads.status', 'won')
            ->where("leads.proposel_data IS NOT NULL AND leads.proposel_data <> ''")
            ->where("(leads.is_client_created = '' OR leads.is_client_created IS NULL)")
            ->where("(leads.is_policy_created = '' OR leads.is_policy_created IS NULL)");


        if ($type) {
            $query->where('leads.lead_type', $type);
        }
        if ($client_id) {
            $query->where('leads.client_id', $client_id);
        }

        $result = $query->get()->getResultArray();
        return $result;
    }

    public function getDashData()
    {
        $statuses = $this->db->table('leads')
            ->select('status')
            ->where("is_active", 1)
            ->groupBy('status')
            ->get()
            ->getResultArray();
    
        $selectParts = [];
    
        foreach ($statuses as $status) {
            $s = $status['status'];
            $alias = strtolower(str_replace(' ', '_', $s));
    
            // Count alias
            $selectParts[] = "SUM(CASE WHEN status = '{$s}' THEN 1 ELSE 0 END) AS `{$alias}`";
    
            // IDs alias
            $selectParts[] = "GROUP_CONCAT(CASE WHEN status = '{$s}' THEN leads.id ELSE NULL END) AS `{$alias}_ids`";
        }
    
        $select = implode(", ", $selectParts);
    
        // Start query builder
        $builder = $this->db->table('leads');
    
        $builder->select($select);
    
        // Auditing subquery
        $subquery = "(SELECT pk, MAX(created_at) AS last_claim_status_change 
                      FROM auditing_history 
                      WHERE table_name = 'leads' AND field_name = 'status'
                      GROUP BY pk)";
    
        $builder->join("{$subquery} AS th", 'leads.id = th.pk', 'left');
    
        // Date filtering for last status change
        $dateLimit = 3;
        $dateThreshold = date('Y-m-d H:i:s', strtotime("-{$dateLimit} days"));
    
        $builder->groupStart()
            ->where('th.last_claim_status_change <=', $dateThreshold)
            ->orWhere('th.last_claim_status_change IS NULL')
            ->groupEnd();
    
        // Add only active
        $builder->where("leads.is_active", 1);
    
        $lead_data = $builder->get()->getResultArray();
    
        // Fallback for empty results
        if (empty($lead_data)) {
            $lead_data[0] = ['total' => 0];
            foreach ($statuses as $status) {
                $alias = strtolower(str_replace(' ', '_', $status['status']));
                $lead_data[0][$alias] = 0;
                $lead_data[0]["{$alias}_ids"] = '';
            }
        }
    
        // Calculate total
        $total = 0;
        foreach ($lead_data[0] as $key => $value) {
            if (!str_ends_with($key, '_ids') && $key != "won") {
                $total += (int) $value;
            }
        }
        $lead_data[0]['total'] = $total;
    
        // dd($lead_data[0]);
        return $lead_data[0];
    }
    
}