#include "..\script_component.hpp"

/*
 * File: fnc_initSessionService.sqf
 * Author: IDSolutions
 * Date: 2026-03-14
 * Public: No
 *
 * Description:
 * Initializes the typed garage session service responsible for resolving the
 * active garage context and building the browser hydrate payload.
 */

#pragma hemtt ignore_variables ["_self"]

GVAR(GarageSessionServiceBaseClass) = compileFinal createHashMapFromArray [
    ["#type", "GarageSessionServiceBaseClass"],
    ["#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", []]
    }],
    ["buildPayload", compileFinal {
        private _context = _self call ["getContext", []];
        private _garageMap = if (isNil QGVAR(GarageClass)) then {
            createHashMap
        } else {
            GVAR(GarageClass) call ["getGarageState", []]
        };

        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 _storedVehicles = [];
        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;

        {
            _storedVehicles pushBack (
                GVAR(GarageCatalogService) call ["buildStoredVehicle", [_x, _y]]
            );
        } forEach _garageMap;

        private _storedVehiclePairs = _storedVehicles apply {
            [toLowerANSI (_x getOrDefault ["displayName", ""]), _x]
        };
        _storedVehiclePairs sort true;
        _storedVehicles = _storedVehiclePairs apply { _x param [1, createHashMap] };

        {
            if (isNull _x) then {
                continue;
            };

            private _builtVehicle = GVAR(GarageCatalogService) 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"]],
                ["capacityUsed", count _storedVehicles],
                ["capacityMax", 5],
                ["nearbyCount", count _nearbyVehicles],
                ["spawnBlocked", _spawnBlocked],
                ["spawnStatus", ["Ready", "Blocked"] select _spawnBlocked]
            ]],
            ["garage", createHashMapFromArray [
                ["vehicles", _storedVehicles]
            ]],
            ["nearby", createHashMapFromArray [
                ["vehicles", _nearbyVehicles]
            ]]
        ]
    }]
];

GVAR(GarageSessionService) = createHashMapObject [GVAR(GarageSessionServiceBaseClass)];
GVAR(GarageSessionService)