<?php

namespace Battle;

use Battle;
use Helper\Comparsion;
use Helper\Conversion;

class Razmen
{
    private array $attackerStats;
    private array $targetStats;
    private int $uid1;
    private int $uid2;

    /**
     * @param Battle $battle
     * @param int    $id
     * @param array  $at
     */
    public function __construct(private readonly Battle $battle, private readonly int $id, private array $at)
    {
        $uid1 = $this->battle->atacks[$this->id]['uid1'];
        $uid2 = $this->battle->atacks[$this->id]['uid2'];
        $stats1 = $this->battle->stats[$this->battle->uids[$uid1]];
        $stats2 = $this->battle->stats[$this->battle->uids[$uid2]];
        if ($stats1['yhod'] > 0) {
            $uid1 = $this->battle->yhod_user($uid2, $uid1, $stats1['yhod']);
        } elseif ($stats2['yhod'] > 0) {
            $uid2 = $this->battle->yhod_user($uid1, $uid2, $stats2['yhod']);
        }
        $this->uid1 = $uid1;
        $this->uid2 = $uid2;
        $this->attackerStats = $this->battle->stats[$this->battle->uids[$uid1]];
        $this->targetStats = $this->battle->stats[$this->battle->uids[$uid2]];

        # Переменные - Моё почтение!
        # $this->stats[$this->uids[$this->yhod_user($this->atacks[$this->id]['uid2'], $this->atacks[$this->id]['uid1'], $this->stats[$this->uids[$this->atacks[$this->id]['uid1']]]['yhod'])]];
        # $this->battle->stats[$this->battle->uids[$this->battle->yhod_user($this->battle->atacks[$this->id]['uid2'], $this->battle->atacks[$this->id]['uid1'], $this->battle->stats[$this->battle->uids[$this->battle->atacks[$this->id]['uid1']]]['yhod'])]];

    }

    private function updateBattleStats(): void
    {
        $this->battle->stats[$this->battle->uids[$this->uid1]] = $this->attackerStats;
        $this->battle->stats[$this->battle->uids[$this->uid2]] = $this->targetStats;
    }

    /**
     * Расчет парирования Цели (uid2) от Атакующего (uid1)
     * @param int  $counterstrikecheck
     * @param bool $pat
     * @param int  $loopstart
     * @return void
     */
    public function parry(int $counterstrikecheck = 0, bool $pat = false, int $loopstart = 0): void
    {
        if ($pat) {
            $tempAt = $this->at;
            $this->at = $tempAt['p'];
        }

        if ($loopstart > 0) {
            $loopstart--;
        }


        if (is_array($this->at[1]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                if (
                    !empty($this->targetStats['no_pr1']) ||
                    $this->at[1]['atack'][$j][2] != $counterstrikecheck ||
                    $this->mfs(__FUNCTION__, [1 => $this->targetStats['m7'], 2 => $this->attackerStats['m7'],]) != 1 ||
                    $this->battle->atacks[$this->id]['out2'] != 0
                ) {
                    continue;
                }
                if (!empty($this->attackerStats['nopryh']) || $this->attackerStats['nopryh_act'] > 0) {
                    continue;
                }
                // Парировал
                $this->attackerStats['nopryh'] = (int)floor($this->attackerStats['nopryh']);
                $this->at[1]['atack'][$j][1] = 6;
                $this->attackerStats['nopryh']--;
                $this->attackerStats['nopryh_act']++;
            }
        }

        if (is_array($this->at[2]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                if (
                    !empty($this->attackerStats['no_pr1']) ||
                    $this->at[2]['atack'][$j][2] != $counterstrikecheck ||
                    $this->mfs(__FUNCTION__, [1 => $this->attackerStats['m7'], 2 => $this->targetStats['m7'],]) != 1 ||
                    $this->battle->atacks[$this->id]['out1'] != 0
                ) {
                    continue;
                }
                if (!empty($this->targetStats['nopryh']) || $this->targetStats['nopryh_act'] > 0) {
                    continue;
                }
                // Парировал
                $this->targetStats['nopryh'] = (int)floor($this->targetStats['nopryh']);
                $this->at[2]['atack'][$j][1] = 6;
                $this->targetStats['nopryh']--;
                $this->targetStats['nopryh_act']++;
            }
        }

        if (isset($tempAt)) {
            $tempAt['p'] = $this->at;
            $this->at = $tempAt;
        }

        $this->updateBattleStats();
    }

    /**
     * Расчет блока щитом Цели (uid2) от Атакующего (uid1)
     * @param int  $counterstrikecheck
     * @param bool $pat
     * @return void
     */
    public function blockByShield(int $counterstrikecheck = 0, bool $pat = false): void
    {
        if ($pat) {
            $tempAt = $this->at;
            $this->at = $tempAt['p'];
        }

        //m8 блок щитом, m18 абсолютный блок щитом
        if ($this->targetStats['shield1'] > 0) {
            for ($j = 0; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                if (
                    $this->at[1]['atack'][$j][2] != $counterstrikecheck ||
                    $this->battle->atacks[$this->id]['out2'] != 0 ||
                    $this->mfs(__FUNCTION__, $this->targetStats['m8'] / 2 + $this->targetStats['m18']) != 1
                ) {
                    continue;
                }
                $this->at[1]['atack'][$j][1] = 7;
            }
        }

        if ($this->attackerStats['shield1'] > 0) {
            for ($j = 0; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                if (
                    $this->at[2]['atack'][$j][2] != $counterstrikecheck ||
                    $this->battle->atacks[$this->id]['out1'] != 0 ||
                    $this->mfs(__FUNCTION__, $this->attackerStats['m8'] / 2 + $this->attackerStats['m18']) != 1
                ) {
                    continue;
                }
                $this->at[2]['atack'][$j][1] = 7;
            }
        }

        if (isset($tempAt)) {
            $tempAt['p'] = $this->at;
            $this->at = $tempAt;
        }

        $this->updateBattleStats();
    }

    /**
     * Расчет крита Атакующего (uid1) по Цели (uid2)
     * @param bool $pat
     * @param int  $loopstart
     * @return void
     */
    public function criticalDamage(bool $pat = false, int $loopstart = 0): void
    {
        if ($pat) {
            $tempAt = $this->at;
            $this->at = $tempAt['p'];
        }

        if ($loopstart > 0) {
            $loopstart--;
        }

        $checkhand = false;

        if (is_array($this->at[1]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                [$data, $checkhand] = $this->getDataArrayByHand($checkhand, $this->attackerStats);

                if ($this->mfs(__FUNCTION__, ['mf' => $this->attackerStats['m1'] + $data['sv_m1'], 'amf' => $this->attackerStats['m14'], 'smf' => $this->targetStats['m2']]) != 1) {
                    continue;
                }
                $this->at[1]['atack'][$j][1] = match (true) {
                    $this->at[1]['atack'][$j][1] == 3 => 4, //в блок
                    !in_array($this->at[1]['atack'][$j][1], [2, 6, 7, 8]) => 5, //обычный крит
                    default => 1 // а ты что такое?
                };
            }
        }

        if (is_array($this->at[2]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                [$data, $checkhand] = $this->getDataArrayByHand($checkhand, $this->targetStats);

                if ($this->mfs(__FUNCTION__, ['mf' => $this->targetStats['m1'] + $data['sv_m1'], 'amf' => $this->targetStats['m14'], 'smf' => $this->attackerStats['m2']]) != 1) {
                    continue;
                }
                $this->at[2]['atack'][$j][1] = match (true) {
                    $this->at[2]['atack'][$j][1] == 3 => 4, //в блок
                    !in_array($this->at[2]['atack'][$j][1], [2, 6, 7, 8]) => 5, //обычный крит
                    default => 1 // а ты что такое?
                };
            }
        }

        if (isset($tempAt)) {
            $tempAt['p'] = $this->at;
            $this->at = $tempAt;
        }

        $this->updateBattleStats();
    }

    /**
     * Расчет уворота Цели (uid2) от Атакующего (uid1)
     * @param int  $counterstrikecheck
     * @param bool $pat
     * @param int  $loopstart
     * @return void
     */
    public function evasion(int $counterstrikecheck = 0, bool $pat = false, int $loopstart = 0): void
    {
        if ($pat) {
            $tempAt = $this->at;
            $this->at = $tempAt['p'];
        }

        if ($loopstart > 0) {
            $loopstart--;
        }

        $checkhand = false;

        if (is_array($this->at[1]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                [$data, $checkhand] = $this->getDataArrayByHand($checkhand, $this->attackerStats);

                if (
                    $this->at[1]['atack'][$j][2] != $counterstrikecheck ||
                    $this->battle->atacks[$this->id]['out2'] != 0 ||
                    $this->mfs(
                        __FUNCTION__,
                        [
                            'mf' => $this->targetStats['m4'],
                            'amf' => $this->targetStats['m15'],
                            'smf' => $this->attackerStats['m5'] + $data['sv_m5'],
                            'asmf' => $this->attackerStats['m21'],
                        ]
                    ) != 1
                ) {
                    continue;
                }
                $this->attackerStats['nopryh'] = (int)floor($this->attackerStats['nopryh']);
                if (!isset($this->attackerStats['nopryh']) || $this->attackerStats['nopryh'] < 1) {
                    $this->at[1]['atack'][$j][1] = 2;
                } else {
                    $this->attackerStats['nopryh']--;
                    $this->attackerStats['nopryh_act']++;
                }
            }
        }

        if (is_array($this->at[2]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                [$data, $checkhand] = $this->getDataArrayByHand($checkhand, $this->targetStats);

                if (
                    $this->at[2]['atack'][$j][2] != $counterstrikecheck ||
                    $this->battle->atacks[$this->id]['out1'] != 0 ||
                    $this->mfs(
                        __FUNCTION__,
                        [
                            'mf' => $this->attackerStats['m4'],
                            'amf' => $this->attackerStats['m15'],
                            'smf' => $this->targetStats['m5'] + $data['sv_m5'],
                            'asmf' => $this->targetStats['m21'],
                        ]
                    ) != 1
                ) {
                    continue;
                }
                $this->targetStats['nopryh'] = (int)floor($this->targetStats['nopryh']);
                if (!isset($this->targetStats['nopryh']) || $this->targetStats['nopryh'] < 1) {
                    $this->at[2]['atack'][$j][1] = 2;
                } else {
                    $this->targetStats['nopryh']--;
                    $this->targetStats['nopryh_act']++;
                }
            }
        }

        if (isset($tempAt)) {
            $tempAt['p'] = $this->at;
            $this->at = $tempAt;
        }

        $this->updateBattleStats();
    }

    /**
     * Расчет контрудара Цели (uid2) по Атакующему (uid1)
     * @param int $counterstrikecheck
     * @return void
     */
    public function counterstrike(int $counterstrikecheck = 0): void //terrorists win!
    {
        if (is_array($this->at[1]['atack'])) {
            for ($j = 0; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                if (
                    $this->at[1]['atack'][$j][1] != 2 ||
                    $this->at[1]['atack'][$j][2] != $counterstrikecheck ||
                    $this->mfs(__FUNCTION__, ['a' => $this->targetStats['m6'], 'b' => $this->attackerStats['m6']]) != 1
                ) {
                    continue;
                }
                $this->at[1]['atack'][$j][1] = 8;
                $rand = mt_rand(1, 5);
                if ($this->battle->testRazmenblock1($this->id, $this->uid2, $this->uid1)) {
                    $this->at[2]['atack'][] = [$rand, 3, 0, 1];
                } else {
                    $this->at[2]['atack'][] = [$rand, 1, 0, 1]; // 3 , 0 , 1
                }

                $this->counterstrikehit(count($this->at[2]['atack']));
            }
        }

        if (is_array($this->at[2]['atack'])) {
            for ($j = 0; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                if (
                    $this->at[2]['atack'][$j][1] != 2 ||
                    $this->at[2]['atack'][$j][2] != $counterstrikecheck ||
                    $this->mfs(__FUNCTION__, ['a' => $this->attackerStats['m6'], 'b' => $this->targetStats['m6']]) != 1
                ) {
                    continue;
                }
                $this->at[2]['atack'][$j][1] = 8;
                $rand = mt_rand(1, 5);
                if ($this->battle->testRazmenblock1($this->id, $this->uid1, $this->uid2)) {
                    $this->at[1]['atack'][] = [$rand, 3, 0, 1];
                } else {
                    $this->at[1]['atack'][] = [$rand, 1, 0, 1]; // 3 , 0 , 1
                }

                $this->counterstrikehit(count($this->at[1]['atack']));
            }
        }

        $this->updateBattleStats();
    }

    /**
     * Рассчёт урона.
     * @param bool $pat
     * @param int  $loopstart
     * @return void
     */
    public function damage(bool $pat = false, int $loopstart = 0): void
    {
        $yhod = [1 => 0, 0];
        if ($this->battle->stats[$this->battle->uids[$this->uid1]]['yhod'] > 0) {
            $yhod = [1 => 1, 0];
        } elseif ($this->battle->stats[$this->battle->uids[$this->uid2]]['yhod'] > 0) {
            $yhod = [1 => 0, 1];
        }

        if ($pat) {
            $tempAt = $this->at;
            $this->at = $tempAt['p'];
        }

        if ($loopstart > 0) {
            $loopstart--;
        }

        $checkhand = false;

        if (is_array($this->at[1]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[1]['atack']) && $j < 8; $j++) {
                [$data, $checkhand, $wp, $witm] = $this->getDataArrayByHand($checkhand, $this->attackerStats);
                $this->at[1]['atack'][$j]['wt'] = $witm['type'];
                $this->at[1]['atack'][$j]['yhod'] = $yhod[1];

                if (
                    !isset($this->at[1]['atack'][$j]['yron']) &&
                    in_array($this->at[1]['atack'][$j][1], [1, 4, 5])
                ) {
                    $type = 'yron';
                } else {
                    $type = 'block';
                }

                $this->at[1]['atack'][$j][$type] = $this->battle->yronGetrazmen($this->uid2, $this->uid1, $witm);
                if ($this->at[1]['atack'][$j][1] == 4) {
                    $this->at[1]['atack'][$j][$type]['y_old'] = $this->at[1]['atack'][$j][$type]['y'];
                    $this->at[1]['atack'][$j][$type]['y'] = (int)round($this->at[1]['atack'][$j][$type]['k'] / 2);
                } elseif ($this->at[1]['atack'][$j][1] == 5) {
                    $this->at[1]['atack'][$j][$type]['y_old'] = $this->at[1]['atack'][$j][$type]['y'];
                    $this->at[1]['atack'][$j][$type]['y'] = $this->at[1]['atack'][$j][$type]['k'];
                }
                $this->at[1]['atack'][$j][$type]['2h'] = $data['2h'];
                $this->at[1]['atack'][$j][$type]['w'] = $wp;
                if ($this->at[1]['atack'][$j][$type]['y'] > 0) {
                    $this->at[1]['atack'][$j][$type]['r'] = '-' . $this->at[1]['atack'][$j][$type]['y'];
                } else {
                    $this->at[1]['atack'][$j][$type]['r'] = '--';
                }
            }
        }

        if (is_array($this->at[2]['atack'])) {
            for ($j = $loopstart; $j < count($this->at[2]['atack']) && $j < 8; $j++) {
                [$data, $checkhand, $wp, $witm] = $this->getDataArrayByHand($checkhand, $this->targetStats);
                $this->at[2]['atack'][$j]['wt'] = $witm['type'];
                $this->at[2]['atack'][$j]['yhod'] = $yhod[1];

                if (
                    !isset($this->at[2]['atack'][$j]['yron']) &&
                    in_array($this->at[2]['atack'][$j][1], [1, 4, 5])
                ) {
                    $type = 'yron';
                } else {
                    $type = 'block';
                }

                $this->at[2]['atack'][$j][$type] = $this->battle->yronGetrazmen($this->uid1, $this->uid2, $witm);
                if ($this->at[2]['atack'][$j][1] == 4) {
                    $this->at[2]['atack'][$j][$type]['y_old'] = $this->at[2]['atack'][$j][$type]['y'];
                    $this->at[2]['atack'][$j][$type]['y'] = (int)round($this->at[2]['atack'][$j][$type]['k'] / 2);
                } elseif ($this->at[2]['atack'][$j][1] == 5) {
                    $this->at[2]['atack'][$j][$type]['y_old'] = $this->at[2]['atack'][$j][$type]['y'];
                    $this->at[2]['atack'][$j][$type]['y'] = $this->at[2]['atack'][$j][$type]['k'];
                }
                $this->at[2]['atack'][$j][$type]['2h'] = $data['2h'];
                $this->at[2]['atack'][$j][$type]['w'] = $wp;
                if ($this->at[2]['atack'][$j][$type]['y'] > 0) {
                    $this->at[2]['atack'][$j][$type]['r'] = '-' . $this->at[2]['atack'][$j][$type]['y'];
                } else {
                    $this->at[2]['atack'][$j][$type]['r'] = '--';
                }
            }
        }

        if (isset($tempAt)) {
            $tempAt['p'] = $this->at;
            $this->at = $tempAt;
        }
        $this->updateBattleStats();
    }


    /**
     * Возвращает массив:
     *
     * 0 => data предмета в зависимости от руки в которой тот находится,
     *
     * 1 => флажок проверки руки,
     *
     * 2 => число слота руки(?!),
     *
     * 3 => массив параметров предмета для Battle::class->yronGetrazmen()
     * @param bool  $check
     * @param array $stats
     * @return array{array,bool,int,array}
     */
    private function getDataArrayByHand(bool $check, array $stats): array
    {
        if (!$check && isset($stats['wp3id'])) { //Левая рука
            $wp = 3;
            $check = true;
        } else { //Правая рука
            if (isset($stats['wp14id']) && $stats['items'][$stats['wp14id']]['type'] != 13) {
                $wp = 14;
            } else {
                $wp = 3;
            }
            $check = false;
        }
        $witm = $stats['items'][$stats["wp{$wp}id"]];
        return [Conversion::dataStringToArray($witm['data']), $check, $wp, $witm];
    }


    private function mfs(int|string $type, array|int $mf): int
    {
        if (is_array($mf)) {
            $mf = array_map(fn($a) => max($a, 0), $mf);
        }
        $rval = 0;
        if ($type == 'criticalDamage') {
            //Крит
            if ($mf['mf'] > $mf['smf']) {
                $rval = 100 - floor(((($mf['smf']) / ($mf['mf'] + 1)) * 100));
            }

            $rval = Comparsion::minimax($rval, 0, 75);

            if ($mf['amf'] > 0) {
                $mf['amf'] = min(100, $mf['amf']);

                if (($mf['amf'] * 100) >= mt_rand(1, 10000)) {
                    $rval = 100;
                }
            }
        } elseif ($type == 'evasion') {
            if ($mf['mf'] > $mf['smf']) {
                $rval = 100 - floor(((($mf['smf']) / ($mf['mf'] + 1)) * 100)); //2.5
            }

            $rval = Comparsion::minimax($rval, 0, 75);

            if ($mf['asmf'] > 0) {
                $mf['asmf'] = min(100, $mf['asmf']);

                if ($mf['asmf'] >= mt_rand(1, 100)) {
                    $rval = 0;
                }
            }
            if ($mf['amf'] >= 0) {
                $mf['amf'] = min(100, $mf['amf']);

                if ($mf['amf'] >= mt_rand(1, 100)) {
                    $rval = 100;
                }
            }
        } elseif ($type == 'parry') {
            $mf[1] = max($mf[1], 1);
            $mf[2] = max($mf[2], 1);
            $rval = $mf[1] - $mf[2] / 2;
            $rval = Comparsion::minimax($rval, 1, 75);

        } elseif ($type == 4) {
            $mf = round($mf * 0.6);
            $mf = Comparsion::minimax($mf, 0, 100);
            $rval = min($mf, 100); //пробой брони
        } elseif ($type == 'blockByShield') {
            $mf = max($mf, 0);
            $rval = min($mf, 85); //блок щитом
        } elseif ($type == 'counterstrike') {
            //Контрудар
            if ($mf['a'] > 0) {
                if ($mf['b'] > 0) {
                    $rval = round($mf['a'] - ($mf['b'] / 2));
                } else {
                    $rval = $mf['a'];
                }
            }
            $rval = Comparsion::minimax($rval, 0, 75);
        }
        return Helper::getChanse($rval) ? 1 : 0;
    }

    /**
     * Повторный просчёт всего для успешного контрудара.
     * @param int $loopstart
     * @return void
     */
    private function counterstrikehit(int $loopstart): void
    {
        $this->evasion(1, true, $loopstart);
        $this->parry(1, true, $loopstart);
        $this->blockByShield(1, true);
        $this->criticalDamage(true, $loopstart);
        $this->damage(true, $loopstart);
    }

    public function getAt(): array
    {
        return $this->at;
    }
}