<?php

namespace App\Models;

use CodeIgniter\Model;
use Config\BdsConfig;

class BdsPlacementModel extends Model
{
    protected $table            = 'bds_installment_payment_details';
    protected $primaryKey       = 'id';
    protected $allowedFields    = [
        'id',
        'pt_id',
        'lead_id',
        'installment_amount',
        'payment_date',
        'utr_no',
        'created_at',
        'created_by',
        'updated_at',
        'updated_by',
        'is_active'
    ];

    // 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 getClientInstallmentDetails()
    {
        // 1. Fetch common data ONCE (Heads, Admins, Business Team)
        // This saves hundreds of redundant queries
        $heads = $this->db->table('user_profiles')
            ->select('email')->where(['role' => 5, 'is_active' => 1])
            ->get()->getResultArray();

        $admins = $this->db->table('user_profiles')
            ->select('email')->where(['role' => 1, 'is_active' => 1])
            ->get()->getResultArray();

        $businessTeam = $this->db->table("user_teams ut")
            ->select("up.email")
            ->join('user_profiles up', 'up.id = ut.user_id AND up.is_active = 1')
            ->where(["ut.team_id" => 7, "ut.is_active" => 1])
            ->get()->getResultArray();

        // 2. Main Query
        $builder = $this->db->table("bds_installment_payment_details bipd")
            ->select("bipd.*, ct.client_name, ct.short_name, cb.branch_name, leads.salse_person_id, cp.policy_no")
            ->join("policy_transaction pt", "pt.id = bipd.pt_id")
            ->join("clients ct", "ct.id = pt.client_id")
            ->join("client_branch cb", "cb.id = pt.client_branch_id")
            ->join("leads", "leads.id = bipd.lead_id")
            ->join("client_policy cp", "cp.id = pt.client_policy_id")
            ->where("bipd.is_active", 1)
            ->where("bipd.payment_date", date('Y-m-d', strtotime('+15 days')));

        $data = $builder->get()->getResultArray();

        // Loop through to extract sales person details
        // 3. Simple Loop for Sales Person (Since it relies on a JSON ID)
        foreach ($data as &$row) {
            $sales_person_ids = json_decode($row['salse_person_id'], true);
            $sales_person_id = $sales_person_ids[0] ?? null;

            if ($sales_person_id) {
                $user = $this->db->table('user_profiles')
                    ->select('email') // or whatever field
                    ->where('id', (int)$sales_person_id) // Cast to int for extra safety
                    ->get()
                    ->getRowArray();

                $row['sales_person'] = $user['email'] ?? 'N/A';
            } else {
                $row['sales_person'] = 'Not Assigned';
            }

            // Assign the pre-fetched data
            $row['heads'] = $heads;
            $row['admins'] = $admins;
            $row['buisness_team'] = $businessTeam;
        }


        return $data;
    }

    private function addBusinessDays(int $days, ?string $fromDate = null): string
    {
        $date = new \DateTime($fromDate ?? 'today');
        $added = 0;

        while ($added < $days) {
            $date->modify('+1 day');
            if ((int) $date->format('N') < 6) {
                $added++;
            }
        }

        return $date->format('Y-m-d');
    }

    public function getLeadInstallmentDetails()
    {
        /** @var BdsConfig $config */
        $config = config(BdsConfig::class);

        if (!$config->shouldFetchInstallmentRemindersToday()) {
            return [];
        }

        // $heads = $this->db->table('user_profiles')
        //     ->select('email')->where(['role' => 5, 'is_active' => 1])
        //     ->get()->getResultArray();

        // $admins = $this->db->table('user_profiles')
        //     ->select('email')->where(['role' => 1, 'is_active' => 1])
        //     ->get()->getResultArray();

        // $businessTeam = $this->db->table("user_teams ut")
        //     ->select("up.email")
        //     ->join('user_profiles up', 'up.id = ut.user_id AND up.is_active = 1')
        //     ->where(["ut.team_id" => 7, "ut.is_active" => 1])
        //     ->get()->getResultArray();

        $builder = $this->db->table("lead_installment_payment_details lipd")
            ->select("
                lipd.*, 
                COALESCE(ct.client_name, leads.client_name) as client_name, 
                COALESCE(ct.short_name, leads.client_short_name) as short_name, 
                COALESCE(cb.branch_name, leads.branch_name) as branch_name, 
                leads.salse_person_id, 
                leads.contact_person_email,
                leads.contact_person_name,
                leads.contact_person_mobile,
                COALESCE(cp.policy_no, cp_src.policy_no) as policy_no,
                COALESCE(cp.policy_start_date, cp_src.policy_start_date) as policy_start_date,
                COALESCE(cp.policy_end_date, cp_src.policy_end_date) as policy_end_date,
                COALESCE(ins.name, ins_src.name) as insurer_name,
                COALESCE(pt.policy_type, pt_src.policy_type) as policy_type,
                leads.acm_id, 
                leads.is_policy_created
            ")
            ->join("leads", "leads.id = lipd.lead_id")
            ->join("clients ct", "ct.id = leads.client_id", "left")
            ->join("client_branch cb", "cb.id = leads.client_branch_id", "left")
            ->join("client_policy cp", "cp.id = leads.is_policy_created", "left")
            ->join("client_policy cp_src", "cp_src.id = leads.source_policy_id", "left")
            ->join("insurers ins", "ins.id = cp.insurer_id", "left")
            ->join("insurers ins_src", "ins_src.id = cp_src.insurer_id", "left")
            ->join("policy_type pt", "pt.id = cp.policy_type_id", "left")
            ->join("policy_type pt_src", "pt_src.id = cp_src.policy_type_id", "left")
            ->where("lipd.is_active", 1)
            ->groupStart()
                ->where('lipd.utr_no IS NULL')
                ->orWhere('lipd.utr_no', '')
            ->groupEnd();

        $targetPaymentDate = $this->addBusinessDays($config->installmentReminderBusinessDays);

        if ($config->installmentReminderFetchOverduePendingUtr) {
            $builder->groupStart()
                ->where('lipd.payment_date', $targetPaymentDate)
                ->orWhere('lipd.payment_date <', date('Y-m-d'))
                ->groupEnd();
        } else {
            $builder->where('lipd.payment_date', $targetPaymentDate);
        }

        $data = $builder->get()->getResultArray();

        foreach ($data as &$row) {
            $sales_person_ids = json_decode($row['salse_person_id'], true);
            $sales_person_id = $sales_person_ids[0] ?? null;
            $acm_id = $row['acm_id'] ?? null;

            if ($acm_id) {
                $acm_user = $this->db->table('user_profiles')
                    ->select('email, first_name, last_name')
                    ->where('id', (int) $acm_id)
                    ->get()
                    ->getRowArray();

                $row['acm_email'] = $acm_user['email'] ?? 'N/A';
                $row['acm_name'] = trim(
                    ($acm_user['first_name'] ?? '') . ' ' . ($acm_user['last_name'] ?? '')
                ) ?: 'Not Assigned';
            } else {
                $row['acm_email'] = 'N/A';
                $row['acm_name'] = 'Not Assigned';
            }

            if ($sales_person_id) {
                $user = $this->db->table('user_profiles')
                    ->select('email, first_name, last_name')
                    ->where('id', (int) $sales_person_id)
                    ->get()
                    ->getRowArray();

                $row['sales_person'] = $user['email'] ?? 'N/A';
                $row['sales_person_name'] = trim(
                    ($user['first_name'] ?? '') . ' ' . ($user['last_name'] ?? '')
                ) ?: 'Not Assigned';
            } else {
                $row['sales_person'] = 'Not Assigned';
                $row['sales_person_name'] = 'Not Assigned';
            }

            // $row['heads'] = $heads;
            // $row['admins'] = $admins;
            // $row['buisness_team'] = $businessTeam;
        }

        return $data;
    }

    public function getClientInstallmentDetails_olds()
    {

        $builder = $this->db->table("bds_installment_payment_details bipd")
            ->select("bipd.*, ct.client_name,ct.short_name, cb.branch_name, leads.salse_person_id,cp.policy_no")
            ->join("policy_transaction pt", "pt.id = bipd.pt_id")
            ->join("clients ct", "ct.id = pt.client_id")
            ->join("client_branch cb", "cb.id = pt.client_branch_id")
            ->join("leads", "leads.id = bipd.lead_id")
            ->join("client_policy cp","cp.id = pt.client_policy_id")
            ->where("bipd.is_active", 1)
            ->where("bipd.payment_date", date('Y-m-d', strtotime('+15 days')));

        $data = $builder->get()->getResultArray();

        // Loop through to extract sales person details
        foreach ($data as &$row) {
            $sales_person_ids = json_decode($row['salse_person_id'], true);
            $sales_person_id = $sales_person_ids[0] ?? null;

            if ($sales_person_id) {
                $user = $this->db->table('user_profiles')
                    ->select('email') // or whatever field
                    ->where('id', $sales_person_id)
                    ->get()
                    ->getRowArray();

                $row['sales_person'] = $user['email'] ?? 'N/A';
            } else {
                $row['sales_person'] = 'Not Assigned';
            }

            $head = $this->db->table('user_profiles')
            ->select('email') // or whatever field
            ->where('role', 5)
            ->where('is_active',1)
            ->get()
            ->getResultArray();
            

            $row['heads'] = $head;

            $admin = $this->db->table('user_profiles')
                    ->select('email')
                    ->where("is_active",1)
                    ->where("role",1)
                    ->get()
                    ->getResultArray();

            $row['admins'] = $admin;

            $buisenessTeam = $this->db->table("user_teams ut")
                        ->select("up.email")
                        ->join('user_profiles up','up.id = ut.user_id and up.is_active = 1')
                        ->where("ut.team_id",7)
                        ->where("ut.is_active",1)
                        ->get()
                        ->getResultArray();

            $row['buisness_team'] = $buisenessTeam;


        }


        return $data;
    }
}