<?php

namespace App\Models;

use CodeIgniter\Model;

class ClaimReportModel extends Model
{
    protected $table            = 'claim_report';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';
    protected $useSoftDeletes   = false;
    protected $protectFields    = true;
    protected $useTimestamps    = true;
    protected $createdField     = 'created_at';
    protected $updatedField     = 'updated_at';

    protected $allowedFields = [
        'tpa_id',
        'client_id',
        'client_policy_id',
        'file_id',
        'ticket_id',
        'source_table',
        'source_row_id',
        'claim_number',
        'emp_code',
        'tpa_no',
        'emp_id',
        'insured_emp_id',
        'claim_amount',
        'approved_amount',
        'incurred_amount',
        'si_amt',
        'tpa_claim_status',
        'claim_status_id',
        'tpa_claim_type',
        'tpa_ailments',
        'doa',
        'dod',
        'date_of_intimat',
        'settled_date',
        'approved_date',
        'claim_dump_date',
        'hospital_name',
        'hospital_city',
        'hospital_state',
        'hospital_pin_code',
        'hospital_address',
        'gender',
        'age',
        'relation',
        'is_active',
        'created_at',
        'updated_at',
    ];

    /**
     * Push ticket_master fields into matching claim_report row(s).
     * Match by ticket_id first; fallback to (client_policy_id, claim_number).
     * Never creates new claim_report rows — only updates existing ones.
     * Failures are swallowed so ticket updates are never blocked.
     */
    public function syncFromTicketId(int $ticketId): bool
    {
        if ($ticketId <= 0) {
            return true;
        }

        try {
            if (!$this->db->tableExists('claim_report')) {
                return true;
            }

            $ticket = $this->db->table('ticket_master')
                ->where('id', $ticketId)
                ->get()
                ->getRowArray();

            if (empty($ticket)) {
                return true;
            }

            $update = $this->mapTicketToClaimReport($ticket);
            if ($update === []) {
                return true;
            }

            $exists = $this->db->table('claim_report')
                ->where('ticket_id', $ticketId)
                ->countAllResults() > 0;

            if ($exists) {
                $this->db->table('claim_report')
                    ->where('ticket_id', $ticketId)
                    ->update($update);

                return true;
            }

            // Fallback: match by unique key when ticket_id not set on claim_report yet
            $claimNumber    = trim((string) ($ticket['claim_number'] ?? ''));
            $clientPolicyId = (int) ($ticket['client_policy_id'] ?? 0);
            if ($claimNumber === '' || $clientPolicyId <= 0) {
                return true;
            }

            $this->db->table('claim_report')
                ->where('client_policy_id', $clientPolicyId)
                ->where('claim_number', $claimNumber)
                ->update($update);

            return true;
        } catch (\Throwable $e) {
            log_message('error', 'claim_report syncFromTicketId failed for ticket {id}: {msg}', [
                'id'  => $ticketId,
                'msg' => $e->getMessage(),
            ]);

            return false;
        }
    }

    /**
     * Sync multiple ticket IDs (e.g. after updateBatch).
     *
     * @param list<int|string> $ticketIds
     */
    public function syncFromTicketIds(array $ticketIds): void
    {
        $ids = array_values(array_unique(array_filter(array_map('intval', $ticketIds))));
        foreach ($ids as $id) {
            $this->syncFromTicketId($id);
        }
    }

    /**
     * @param array<string, mixed> $ticket
     * @return array<string, mixed>
     */
    protected function mapTicketToClaimReport(array $ticket): array
    {
        $now = date('Y-m-d H:i:s');

        $relation = $ticket['relation'] ?? null;
        if ($relation === null || $relation === '') {
            $relation = $ticket['relationship'] ?? null;
        }

        $approved = $ticket['approved_amount'] ?? null;
        $claimed  = $ticket['claim_amount'] ?? null;
        $incurred = $ticket['incurred_amount'] ?? null;
        if ($incurred === null || $incurred === '') {
            $incurred = $approved !== null && $approved !== '' ? $approved : $claimed;
        }

        $map = [
            'tpa_id'            => $ticket['tpa_id'] ?? null,
            'client_id'         => $ticket['client_id'] ?? null,
            'client_policy_id'  => $ticket['client_policy_id'] ?? null,
            'file_id'           => $ticket['file_id'] ?? null,
            'ticket_id'         => $ticket['id'] ?? null,
            'claim_number'      => isset($ticket['claim_number']) ? trim((string) $ticket['claim_number']) : null,
            'emp_code'          => $ticket['emp_code'] ?? null,
            'tpa_no'            => $ticket['tpa_no'] ?? null,
            'emp_id'            => $ticket['emp_id'] ?? null,
            'insured_emp_id'    => $ticket['insured_emp_id'] ?? null,
            'claim_amount'      => $claimed,
            'approved_amount'   => $approved,
            'incurred_amount'   => $incurred,
            'si_amt'            => $ticket['si_amt'] ?? null,
            'tpa_claim_status'  => $ticket['tpa_claim_status'] ?? null,
            'claim_status_id'   => $ticket['claim_status_id'] ?? null,
            'tpa_claim_type'    => $ticket['tpa_claim_type'] ?? null,
            'tpa_ailments'      => $ticket['tpa_ailments'] ?? null,
            'doa'               => $ticket['doa'] ?? null,
            'dod'               => $ticket['dod'] ?? null,
            'date_of_intimat'   => $ticket['date_of_intimat'] ?? null,
            'settled_date'      => $ticket['settled_date'] ?? null,
            'approved_date'     => $ticket['approved_date'] ?? null,
            'claim_dump_date'   => $ticket['claim_dump_date'] ?? null,
            'hospital_name'     => $ticket['hospital_name'] ?? null,
            'hospital_city'     => $ticket['hospital_city'] ?? null,
            'hospital_state'    => $ticket['hospital_state'] ?? null,
            'hospital_pin_code' => $ticket['hospital_pin_code'] ?? null,
            'hospital_address'  => $ticket['hospital_address'] ?? null,
            'relation'          => $relation,
            'is_active'         => isset($ticket['is_active']) ? (int) $ticket['is_active'] : 1,
            'updated_at'        => $now,
        ];

        // Do not overwrite claim_number with empty string
        if ($map['claim_number'] === '') {
            unset($map['claim_number']);
        }

        // Keep source_table / source_row_id as-is (provenance from dump sync)

        return $map;
    }
}