/*
 * Author: eRazeri and esteldunedain
 * Detach an item from a unit
 *
 * Arguments:
 * 0: vehicle that it will be detached from (player or vehicle) <OBJECT>
 * 1: unit doing the detaching (player) <OBJECT>
 *
 * Return Value:
 * Nothing
 *
 * Example:
 * [car, bob] call ace_attach_fnc_detach
 *
 * Public: No
 */
#include "script_component.hpp"

params ["_attachToVehicle","_unit"],
TRACE_2("params",_attachToVehicle,_unit);

private ["_attachedList", "_itemDisplayName", "_attachedObject", "_attachedIndex", "_itemName", "_minDistance", "_isChemlight"];

_attachedList = _attachToVehicle getVariable [QGVAR(attached), []];

_attachedObject = objNull;
_attachedIndex = -1;
_itemName = "";

//Find closest attached object
_minDistance = 1000;

{
    _x params ["_xObject", "_xItemName"];

    if (((getPos _unit) distance2d (getPos _xObject)) < _minDistance) then {
        _minDistance = ((getPos _unit) distance2d (getPos _xObject));
        _attachedObject = _xObject;
        _itemName = _xItemName;
        _attachedIndex = _forEachIndex;
    };
} forEach _attachedList;

// Check if unit has an attached item
if (isNull _attachedObject || {_itemName == ""}) exitWith {ERROR("Could not find attached object")};

// Check if item is a chemlight
_isChemlight = _attachedObject isKindOf "Chemlight_base";

// Exit if can't add the item
if (!(_unit canAdd _itemName) && {!_isChemlight}) exitWith {
    [localize LSTRING(Inventory_Full)] call EFUNC(common,displayTextStructured);
};

// Add item to inventory (unless it's a chemlight)
if (!_isChemlight) then {
    _unit addItem _itemName;
};

if (toLower _itemName in ["b_ir_grenade", "o_ir_grenade", "i_ir_grenade"]) then {
    // Hack for dealing with X_IR_Grenade effect not dissapearing on deleteVehicle
    detach _attachedObject;
    _attachedObject setPos ((getPos _unit) vectorAdd [0, 0, -1000]);
    // Delete attached item after 0.5 seconds
    [{deleteVehicle (_this select 0)}, [_attachedObject], 2] call CBA_fnc_waitAndExecute;
} else {
    //handle any objects that may be attached to the object
    {
        detach _x;
        deleteVehicle _x;
    } forEach (attachedObjects _attachedObject);
    
    // Delete attached item
    detach _attachedObject;
    deleteVehicle _attachedObject;
};

// Reset unit variables
_attachedList deleteAt _attachedIndex;
_attachToVehicle setVariable [QGVAR(attached), _attachedList, true];

// Display message
_itemDisplayName = getText (configFile >> "CfgWeapons" >> _itemName >> "displayName");
if (_itemDisplayName == "") then {
    _itemDisplayName = getText (configFile >> "CfgMagazines" >> _itemName >> "displayName");
};

[format [localize LSTRING(Item_Detached), _itemDisplayName]] call EFUNC(common,displayTextStructured);