#include "..\script_component.hpp"

/*
 * File: fnc_initContextService.sqf
 * Author: IDSolutions
 * Date: 2026-03-27
 * Public: No
 *
 * Description:
 * Initializes the garage context service for local garage context and nearby state.
 *
 * Arguments:
 * None
 *
 * Return Value:
 * Garage context service object [HASHMAP OBJECT]
 *
 * Example:
 * call forge_client_garage_fnc_initContextService;
 */

#pragma hemtt ignore_variables ["_self"]
GVAR(GarageContextServiceBaseClass) = compileFinal createHashMapFromArray [
    ["#type", "GarageContextServiceBaseClass"],
    ["#create", compileFinal { _self set ["lastContext", createHashMap]; }],
    ["#delete", compileFinal { _self set ["lastContext", createHashMap]; }],
    ["createDefaultContext", compileFinal {
        createHashMapFromArray [
            ["name", "Vehicle Garage"],
            ["anchorPosition", getPosATL player],
            ["sourceObject", objNull],
            ["spawnHeading", getDir player],
            ["spawnPosition", player getPos [8, getDir player]],
            ["spawnRadius", 6],
            ["nearbyRadius", 30]
        ]
    }],
    ["scanEntryValues", compileFinal {
        params [["_values", [], [[]]], ["_state", createHashMap, [createHashMap]]];
        {
            if (_x isEqualType "" && { (_state getOrDefault ["name", "Vehicle Garage"]) isEqualTo "Vehicle Garage" }) then { _state set ["name", _x]; };
            if (_x isEqualType "") then {
                private _resolvedObject = _state getOrDefault ["sourceObject", objNull];
                if (isNull _resolvedObject) then {
                    private _namedObject = missionNamespace getVariable [_x, objNull];
                    if (!isNull _namedObject) then { _state set ["sourceObject", _namedObject]; };
                };
                if ((_state getOrDefault ["anchorPosition", []]) isEqualTo [] && { _x in allMapMarkers }) then { _state set ["anchorPosition", markerPos _x]; };
                continue;
            };
            if (_x isEqualType objNull && { isNull (_state getOrDefault ["sourceObject", objNull]) }) then {
                _state set ["sourceObject", _x];
                if ((_state getOrDefault ["anchorPosition", []]) isEqualTo []) then { _state set ["anchorPosition", getPosATL _x]; };
                continue;
            };
            if (_x isEqualType 0 && { (_state getOrDefault ["spawnHeading", -1]) < 0 }) then { _state set ["spawnHeading", _x]; continue; };
            if (_x isEqualType [] && { count _x > 0 }) then {
                if ({ _x isEqualType 0 } count _x >= 2 && { ((_state getOrDefault ["offset", []]) isEqualTo []) || ((_state getOrDefault ["anchorPosition", []]) isEqualTo []) }) then {
                    if ((_state getOrDefault ["anchorPosition", []]) isEqualTo []) then { _state set ["anchorPosition", _x]; } else { _state set ["offset", _x]; };
                    continue;
                };
                _self call ["scanEntryValues", [_x, _state]];
            };
        } forEach _values;
        _state
    }],
    ["resolveEntry", compileFinal {
        params [["_entry", [], [[]]]];
        private _state = createHashMapFromArray [["name", "Vehicle Garage"], ["anchorPosition", []], ["sourceObject", objNull], ["offset", []], ["spawnHeading", -1]];
        _self call ["scanEntryValues", [_entry, _state]];
        private _anchorPosition = _state getOrDefault ["anchorPosition", []];
        private _offset = _state getOrDefault ["offset", []];
        private _spawnPosition = if (_anchorPosition isEqualTo []) then { [] } else { if (_offset isEqualTo []) then { _anchorPosition } else { _anchorPosition vectorAdd _offset } };
        createHashMapFromArray [["name", _state getOrDefault ["name", "Vehicle Garage"]], ["anchorPosition", _anchorPosition], ["sourceObject", _state getOrDefault ["sourceObject", objNull]], ["spawnHeading", _state getOrDefault ["spawnHeading", -1]], ["spawnPosition", _spawnPosition]]
    }],
    ["resolveContext", compileFinal {
        private _context = _self call ["createDefaultContext", []];
        private _locations = (missionConfigFile >> "FORGE_CfgGarages" >> "locations") call BFUNC(getCfgData);
        if !(_locations isEqualType []) exitWith { _self set ["lastContext", _context]; _context };

        private _nearestEntry = [];
        private _nearestDistance = 1e10;
        {
            private _entry = _self call ["resolveEntry", [_x]];
            private _anchorPosition = _entry getOrDefault ["anchorPosition", []];
            if (_anchorPosition isEqualTo []) then { continue; };
            private _distance = player distance2D _anchorPosition;
            if (_distance < _nearestDistance) then { _nearestDistance = _distance; _nearestEntry = _entry; };
        } forEach _locations;

        if (_nearestEntry isEqualTo []) exitWith { _self set ["lastContext", _context]; _context };

        private _anchorPosition = _nearestEntry getOrDefault ["anchorPosition", []];
        private _garageObject = _nearestEntry getOrDefault ["sourceObject", objNull];
        private _garageName = _nearestEntry getOrDefault ["name", "Vehicle Garage"];
        private _spawnHeading = _nearestEntry getOrDefault ["spawnHeading", getDir player];
        if (_spawnHeading < 0) then { _spawnHeading = if (!isNull _garageObject) then { getDir _garageObject } else { getDir player }; };

        private _spawnPosition = _nearestEntry getOrDefault ["spawnPosition", []];
        if (_spawnPosition isEqualTo []) then { _spawnPosition = if (_anchorPosition isEqualTo []) then { player getPos [8, _spawnHeading] } else { _anchorPosition }; };

        _context set ["name", _garageName];
        _context set ["anchorPosition", _anchorPosition];
        _context set ["sourceObject", _garageObject];
        _context set ["spawnHeading", _spawnHeading];
        _context set ["spawnPosition", _spawnPosition];
        _self set ["lastContext", _context];
        _context
    }],
    ["getContext", compileFinal { _self call ["resolveContext", []] }],
    ["buildNearbyState", compileFinal {
        private _context = _self call ["getContext", []];
        private _anchorPosition = _context getOrDefault ["anchorPosition", []];
        private _spawnPosition = _context getOrDefault ["spawnPosition", getPosATL player];
        private _spawnRadius = _context getOrDefault ["spawnRadius", 6];
        private _nearbyRadius = _context getOrDefault ["nearbyRadius", 30];
        private _nearbyOrigin = [_anchorPosition, _spawnPosition] select (_anchorPosition isEqualTo []);
        private _nearbyVehicles = [];
        private _nearbyEntities = [];
        private _candidateVehicles = [];
        { _candidateVehicles pushBackUnique _x; } forEach (_nearbyOrigin nearEntities [["Car", "Tank", "Air", "Ship"], _nearbyRadius]);
        { _candidateVehicles pushBackUnique _x; } forEach ((getPosATL player) nearEntities [["Car", "Tank", "Air", "Ship"], _nearbyRadius]);
        { _candidateVehicles pushBackUnique _x; } forEach (nearestObjects [_nearbyOrigin, ["AllVehicles"], _nearbyRadius]);
        { _candidateVehicles pushBackUnique _x; } forEach (nearestObjects [getPosATL player, ["AllVehicles"], _nearbyRadius]);
        {
            if (isNull _x) then { continue; };
            if (_x isKindOf "CAManBase") then { continue; };
            if !(_x isKindOf "Car" || _x isKindOf "Tank" || _x isKindOf "Air" || _x isKindOf "Ship") then { continue; };
            _nearbyEntities pushBackUnique _x;
        } forEach _candidateVehicles;
        {
            if (isNull _x) then { continue; };
            private _builtVehicle = GVAR(GarageHelperService) call ["buildNearbyVehicle", [_x, _nearbyOrigin]];
            if (_builtVehicle isEqualTo createHashMap) then { continue; };
            _nearbyVehicles pushBack _builtVehicle;
        } forEach _nearbyEntities;
        private _nearbyVehiclePairs = _nearbyVehicles apply { [_x getOrDefault ["distance", 0], _x] };
        _nearbyVehiclePairs sort true;
        _nearbyVehicles = _nearbyVehiclePairs apply { _x param [1, createHashMap] };
        private _spawnBlocked = ((_spawnPosition nearEntities [["Car", "Tank", "Air", "Ship"], _spawnRadius]) + (nearestObjects [_spawnPosition, ["Car", "Tank", "Air", "Ship"], _spawnRadius])) isNotEqualTo [];
        createHashMapFromArray [["session", createHashMapFromArray [["garageName", _context getOrDefault ["name", "Vehicle Garage"]], ["nearbyCount", count _nearbyVehicles], ["spawnBlocked", _spawnBlocked], ["spawnStatus", ["Ready", "Blocked"] select _spawnBlocked]]], ["nearby", createHashMapFromArray [["vehicles", _nearbyVehicles]]]]
    }]
];

GVAR(GarageContextService) = createHashMapObject [GVAR(GarageContextServiceBaseClass)];
GVAR(GarageContextService)