<?php
/**
 * File for the team creation action.
 *
 * Implements an action function to be called from the {@see Controller}.
 *
 * @author Iñigo Valentin <i@inigovalentin.com>
 * @license https://www.gnu.org/licenses/gpl-3.0.en.html GNU General Public License V3
 * @package SWDB
 */

require_once(PATH::ACTION . "Action.php");

/**
 * Executes the optimization action.
 *
 * Reads the POST parameters looking for the following KEYS:
 *  player: The player ID.
 *  unit: The unit ID.
 *  tuning: 1: All +12; 2: Even +15, odd + 12; 3: All +15.
 *  options: JSON with rune sets.
 *
 * @category Action
 */
class Optimize_Options_Action extends Action{
    
    /**
     * Executes the action.
     */
    function execute(){

        // Increase max execution time.
        set_time_limit(60);
    
        $runes = [];
    
        $response = null;
    
        $player = filter_input(INPUT_POST, 'player');
        if ($player == null){
            $this->code = 400;
            $this->message = "POST parameter 'player' not specified or invalid.";
            return;
        }
    
        $unit_id = filter_input(INPUT_POST, 'unit');
        if ($unit_id == null){
            $this->code = 400;
            $this->message = "POST parameter 'unit' not specified or invalid.";
            return;
        }
        $unit = new Unit($unit_id, true, $player);
        $base_stats = $unit->get_base_stats();
        $building_stats = $unit->get_building_stats();
        $artifact_stats = $unit->get_artifact_stats();
        //$total_stats = $unit->get_stats();
    
        $tuning = filter_input(INPUT_POST, 'tuning');
        if ($tuning == null){
            $this->code = 400;
            $this->message = "POST parameter 'tuning' not specified or invalid.";
            return;
        }
    
        $options = json_decode(filter_input(INPUT_POST, 'options'), true);
        if ($options == null){
            $this->code = 400;
            $this->message = "POST parameter 'options' not specified or invalid.";
            return;
        }
        foreach ($options as $option){
            $set = [
                "runes" => [],
                "stats" => [
                    "atk" => $base_stats["atk"],
                    "def" => $base_stats["def"],
                    "hp"  => $base_stats["hp"],
                    "spd" => $base_stats["spd"],
                    "crr" => $base_stats["crr"],
                    "crd" => $base_stats["crd"],
                    "acc" => $base_stats["acc"],
                    "res" => $base_stats["res"],
                    "ehp" => $base_stats["ehp"],
                    "dmg" => $base_stats["dmg"]
                ]
            ];
            foreach ($option["runes"] as $rune_option){
                $rune = new Rune($rune_option["ID"]);
                $r = [
                    "id" => $rune_option["ID"],
                    "html" => HTML::rune_table($rune)
                ];
    
                // Calculate stat increment
                // TODO: Main stat at level!
                $stat_ids = [
                    $rune->get_main_stat()->get_stat(),
                    ($rune->get_innate_stat() != null ? $rune->get_innate_stat()->get_stat() : null),
                    (sizeof($rune->get_substats()) > 0 ? $rune->get_substats()[0]->get_stat() : null),
                    (sizeof($rune->get_substats()) > 1 ? $rune->get_substats()[1]->get_stat() : null),
                    (sizeof($rune->get_substats()) > 2 ? $rune->get_substats()[2]->get_stat() : null),
                    (sizeof($rune->get_substats()) > 3 ? $rune->get_substats()[3]->get_stat() : null)
                ];
                $main_value = $rune->get_main_stat()->get_value();
                switch ($tuning){
                    case 1: // All +12
                        if ($rune->get_level() < 12){
                            $main_value = $rune->get_main_stat_at_level(12);
                        }
                        break;
                    case 2: // Even +15, Odd + 12
                        if ($rune->get_level() < 15 && $rune->get_slot() % 2 == 0){
                            $main_value = $rune->get_main_stat_at_level(15);
                        }
                        elseif ($rune->get_level() < 12 && $rune->get_slot() % 2 != 0){
                            $main_value = $rune->get_main_stat_at_level(12);
                        }
                        break;
                    case 3: // All +15
                        if ($rune->get_level() < 15){
                            $main_value = $rune->get_main_stat_at_level(15);
                        }
                        break;
                }
                $stat_values = [
                    $main_value,
                    ($stat_ids[1] != null ? $rune->get_innate_stat()->get_value() : 0),
                    ($stat_ids[2] != null ? $rune->get_substats()[0]->get_value() : 0),
                    ($stat_ids[3] != null ? $rune->get_substats()[1]->get_value() : 0),
                    ($stat_ids[4] != null ? $rune->get_substats()[2]->get_value() : 0),
                    ($stat_ids[5] != null ? $rune->get_substats()[3]->get_value() : 0)
                ];
                for ($i = 0; $i < 6; $i ++){
                    switch ($stat_ids[$i]){
                        case RUNE_STAT_ID::ATK:
                            $set["stats"]["atk"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::ATK_P:
                            $set["stats"]["atk"] += ceil($base_stats["atk"] * $stat_values[$i] / 100);
                            break;
                        case RUNE_STAT_ID::DEF:
                            $set["stats"]["def"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::DEF_P:
                            $set["stats"]["def"] += ceil($base_stats["def"] * $stat_values[$i] / 100);
                            break;
                        case RUNE_STAT_ID::HP:
                            $set["stats"]["hp"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::HP_P:
                            $set["stats"]["hp"] += ceil($base_stats["hp"] * $stat_values[$i] / 100);
                            break;
                        case RUNE_STAT_ID::SPD:
                            $set["stats"]["spd"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::CRR:
                            $set["stats"]["crr"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::CRD:
                            $set["stats"]["crd"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::ACC:
                            $set["stats"]["acc"] += $stat_values[$i];
                            break;
                        case RUNE_STAT_ID::RES:
                            $set["stats"]["res"] += $stat_values[$i];
                            break;
                    }
                }
    
                // Calculate EHP and DMG
                $set["stats"]["ehp"] = ceil(((($set["stats"]["def"] * 3.5) + 1140) * $set["stats"]["hp"]) / 1000);
                $atk = $set["stats"]["atk"];
                $crr = $set["stats"]["crr"];
                if ($crr > 100){
                    $crr = 100;
                }
                $crd = $set["stats"]["crd"];
                $edmg = ceil(($atk * (100 - $crr) / 100) + (($atk + ($atk * $crd / 100)) * $crr / 100));
                $set["stats"]["dmg"] = $edmg;
                //error_log("attack before extras: " . $set["stats"]["atk"]);
                
                // Add artifacts and buildings
                $set["stats"]["atk"] += ($building_stats["atk"] + $artifact_stats["atk"]);
                $set["stats"]["def"] += ($building_stats["def"] + $artifact_stats["def"]);
                $set["stats"]["hp"]  += ($building_stats["hp"]  + $artifact_stats["hp"]);
                $set["stats"]["spd"] += ($building_stats["spd"] + $artifact_stats["spd"]);
                $set["stats"]["crr"] += ($building_stats["crr"] + $artifact_stats["crr"]);
                $set["stats"]["crd"] += ($building_stats["crd"] + $artifact_stats["crd"]);
                $set["stats"]["acc"] += ($building_stats["acc"] + $artifact_stats["acc"]);
                $set["stats"]["res"] += ($building_stats["res"] + $artifact_stats["res"]);
                $set["stats"]["ehp"] += ($building_stats["ehp"] + $artifact_stats["ehp"]);
                $set["stats"]["dmg"] += ($building_stats["dmg"] + $artifact_stats["dmg"]);
                //error_log("attack after extras: " . $set["stats"]["atk"]);
                // Add to the array
                array_push($set["runes"], $r);
    
            }
            array_push($runes, $set);
        }
    
        // Send back the response
        $response = json_encode($runes);
        if ($response == null){
            $this->code = 204;
            $this->message = "No combinations found.";
        }
        else{
            $this->code = 200;
            $this->message = "OK.";
            $this->output = $response;
        }
        return;
    }
}