/// <reference path="Classes/Things/Person.ts" />
/// <reference path="Classes/Things/MapNote.ts" />
/// <reference path="Classes/Things/Humanoid/Humanoid.ts" />

/// <reference path="Classes/Rulebook.ts" />
/// <reference path="Classes/Rule.ts" />
/// <reference path="Classes/Save/StoredVariable.ts" />
/// <reference path="PlayBegins.ts" />
module WorldState {
    var worldTurn : number = 0;
    var playerTurn : number = 0;
    export var player : Humanoid = new Humanoid({isMale : false});

    player.description = Humanoid.getPlayerDescription;

    var memoryRooms = new StoredVariable<Array<string>>({
        id : "Remembered Rooms",
        value : []
    });

    let allRememberedRooms : Array<Room> = [];

    let rememberedRoomsForIntelligence = 2;
    let rememberedRoomsForSurvival = 1;

    export var RememberingRoomRulebook : Rulebook<Room> = new Rulebook("Remembering Room something");

    export function isTurnWaiting () {
        return worldTurn < playerTurn;
    }

    export function incrementWorldTurn () {
        worldTurn++;
    }

    export function incrementPlayerTurn () {
        playerTurn++;
    }

    export function getCurrentTurn () {
        return playerTurn;
    }

    export function setCurrentTurn (turn : number) {
        playerTurn = turn;
        worldTurn = turn;
    }

    export let RememberingRoomInList = RememberingRoomRulebook.createAndAddRule({
        name : "Is room listed in remembered rooms?",
        firstPriority : Rule.PRIORITY_LOWEST,
        priority : Rule.PRIORITY_LOW,
        code : runner => {
            if (allRememberedRooms.includes(runner.noun)) {
                return true;
            }
        }
    });

    export let RememberingRoomInMap = RememberingRoomRulebook.createAndAddRule({
        name : "Is room shown on a map?",
        firstPriority : Rule.PRIORITY_LOWEST,
        priority : Rule.PRIORITY_LOWEST,
        code : runner => {
            let maps = <Array<MapNote>> Thing.CarryRelation.getRightType(player, MapNote);
            for (let i = 0; i < maps.length; i++) {
                if (maps[i].contains(runner.noun)) {
                    return true;
                }
            }
        }
    });

    export function isPlayer (thing : any) {
        return player === thing;
    }

    export async function isRoomRemembered (room : Room) : Promise<boolean> {
        if (room == WorldState.player.getRoom()) return true;
        let result = await RememberingRoomRulebook.execute({noun : room});
        return result == true; // can return "undefined"
    }

    export function getRememberedRooms () {
        let roomNames = [];
        allRememberedRooms.forEach(room => {
            roomNames.push(room.getName());
        });
        return roomNames;
    }

    export function getRememberedRoomsAsRooms () : Array<Room> {
        return [...allRememberedRooms];
    }

    export function getMaximumRememberedRooms () {
        let intRooms = player.getStat(Attributes.Intelligence) * rememberedRoomsForIntelligence;
        let skillRooms = player.getSkill(Skills.Survival) * rememberedRoomsForSurvival;
        return intRooms + skillRooms;
    }

    export function truncateRooms () {
        while (allRememberedRooms.length > getMaximumRememberedRooms()){
            allRememberedRooms.pop();
        }
    }

    export function rememberRoom (...rooms : Array<Room>) {
        rooms.forEach((value) => {
            if (value instanceof Room) {
                let idx = allRememberedRooms.indexOf(value);
                if (idx == -1) {
                    allRememberedRooms.unshift(value);
                } else {
                    allRememberedRooms.splice(idx, 1);
                    allRememberedRooms.unshift(value);
                }
                value.visited = true;
            }
        });
        truncateRooms();
    }

    export function saveState () {
        let things = {
            carried: [],
            worn: [],
            wielded: []
        };

        return {
            Things : things
        };
    }

    export let CorrectRememberedRoomsRule = PlayBegins.rulebook.createAndAddRule({
        name : "Correct remembered rooms",
        firstPriority : Rule.PRIORITY_LOWEST,
        priority : Rule.PRIORITY_MEDIUM,
        code : () => {
            if (memoryRooms.value.length > 0 && allRememberedRooms.length == 0) { // loading a save
                memoryRooms.value.forEach(roomName => {
                    let room = Room.getRoom(roomName);
                    allRememberedRooms.push(room); // Already ordered
                });
                truncateRooms();
            }
            if (!isRoomRemembered(WorldState.player.getRoom())) {
                rememberRoom(WorldState.player.getRoom());
            }
            let cleanRoomNames = [];
            allRememberedRooms.forEach(room => {
                if (!room.fodder) {
                    cleanRoomNames.push(room.getName());
                }
            });
            memoryRooms.value = cleanRoomNames;


            // let allRooms = rememberedRooms.value;
            // let currentRoom = WorldState.player.getRoom();
            // if (allRooms.length == 0) {
            //     rememberedRooms.value = [currentRoom.getName()];
            //     return;
            // }
            // let newRooms = [];
            //
            // let tentativeFodder = [];
            // function recursivelyAddRooms (room : Room) {
            //     if (room instanceof RoomRandom) {
            //         if (room.fodder && !tentativeFodder.includes(room)) {
            //             tentativeFodder.push(room);
            //             room.connections.forEach((newRoom) => {
            //                 recursivelyAddRooms(newRoom);
            //             });
            //         } else if (allRooms.indexOf(room.getName()) != -1 && newRooms.indexOf(room.getName()) == -1) {
            //             tentativeFodder.forEach(fodder => {
            //                 rememberedFodder.push(fodder);
            //             });
            //             tentativeFodder = [];
            //             newRooms.push(room.getName());
            //             room.connections.forEach((newRoom) => {
            //                 recursivelyAddRooms(newRoom);
            //             });
            //         }
            //     }
            // }
            //
            // recursivelyAddRooms(currentRoom);
            // rememberedRooms.value = newRooms;
        }
    })
}