import { reactive, ref } from 'vue'
import { Disconnect } from './Dragonroll';

const windows = ref([])

const defValues = {
    'test': {
        id: "example",
        title: "Example",
        close: true
    },
    'login': {
        id: 'login',
        title: 'Login',
    },
    'register': {
        id: 'register',
        title: 'Register',
    },
    'main_menu': {
        id: 'main_menu',
        title: "DragonRoll"
    },
    'edit_profile': {
        id: 'edit_profile',
        title: "Edit Profile",
        close: true
    },
    'account_settings': {
        id: 'account_settings',
        title: "Dragonroll settings",
        close: true
    },
    'campaign_list': {
        id: 'campaign_list',
        title: 'Campaigns',
        back: () => {
            ClearWindow('campaign_list');
            CreateWindow('main_menu');
        }
    },
    'new_campaign': {
        id: 'new_campaign',
        title: 'Create campaign',
        parent: 'campaign_list',
        close: true
    },
    'join_campaign': {
        id: 'join_campaign',
        title: 'Join campaign',
        parent: 'campaign_list',
        close: true
    },
    'campaign_preview': {
        id: 'campaign_preview',
        title: "Campaign Preview",
        back: () => {
            Disconnect();
            ClearWindow('campaign_preview');
            CreateWindow('campaign_list');
        }
    },
    'chat': {
        id: 'chat',
        title: 'Chat',
        close: true
    },
    'dice_menu': {
        id: 'dice_menu',
        title: 'Dice roll',
        close: true
    },
    'map_buttons': {
        id: 'map_buttons',
        title: '',
        close: true
    },
    'environment': {
        id: 'environment',
        title: 'Edit environment',
        close: true
    },
    'system_selector': {
        id: 'system-selector',
        title: "Select a game system",
        close: true
    },
    'map_window': {
        id: 'map_window',
        title: 'Maps',
        close: true
    },
    'combat_window': {
        id: 'combat_window',
        title: "Combat",
        close: true
    }
}

const reload = ref(0);

let ReloadRef = () => { return reload };
let Windows = () => { return windows };

let currentIndex = 10;

function SetupHandle(id, handle){

    // Update window info with handle info
    
    let win = GetWindowWithId(id);

    let currentWindowId = "window-wrapper-" + id;
    let currentWindowHandleId = "window-handle-" + id;
    
    let mouseDown = false;

    let currentWindow = document.getElementById(currentWindowId);
    let handler = document.getElementById(currentWindowHandleId);

    let offsetX = 0;
    let offsetY = 0;

    currentWindow.addEventListener("mousedown", (event) => {
        SetOnTop(id);
    });

    handler.addEventListener("mousedown", (event) => {
        mouseDown = true;

        let windowRect = currentWindow.getBoundingClientRect();
        offsetX = windowRect.left - event.clientX;
        offsetY = windowRect.top - event.clientY;
    })

    document.addEventListener("mousemove", (event) => {
        if(!mouseDown) return;

        if(event.clientX + offsetX < -currentWindow.getBoundingClientRect().width + 20) currentWindow.style.left = (-currentWindow.getBoundingClientRect().width + 20) + "px";
        else if(event.clientX + offsetX > window.innerWidth - 20) currentWindow.style.left = (window.innerWidth - 20) + "px";
        else currentWindow.style.left = (event.clientX + offsetX) + "px";

        if(event.clientY + offsetY < 0) currentWindow.style.top = (0) + "px";
        else if(event.clientY + offsetY > window.innerHeight - 20) currentWindow.style.top = (window.innerHeight - 20) + "px";
        else currentWindow.style.top = (event.clientY + offsetY) + "px";
    })

    document.addEventListener("mouseup", (event) => {
        mouseDown = false;
        // ummm suposo que no pots tancar mentres mous?
        SaveWindowPos({id, x: parseInt(currentWindow.style.left, 10), y: parseInt(currentWindow.style.top, 10)});
    });

    handle.value.setupHandle();
}

function SetSize(id, size){
    let currentWindowId = "window-wrapper-" + id;
    let currentWindow = document.getElementById(currentWindowId);

    currentWindow.style.width = size.x + "px";
    currentWindow.style.height = size.y + "px";
}

function SetPosition(id, pos){
    let currentWindowId = "window-wrapper-" + id;
    let currentWindow = document.getElementById(currentWindowId);

    if(pos == "center"){
        let x = window.innerWidth / 2;
        let y = window.innerHeight / 2;
    
        currentWindow.style.left = (x - currentWindow.getBoundingClientRect().width / 2) + "px";
        currentWindow.style.top  = (y - currentWindow.getBoundingClientRect().height / 2) + "px";
    
        return;
    }

    currentWindow.style.top = pos.y + "px";
    currentWindow.style.left = pos.x + "px";

    SaveWindowPos({id, x: pos.x, y: pos.y})
}

function GetPosition(id){
    let win = GetWindowWithId(id);
    return {x: win.x, y: win.y};
}

function ResetPosition(id, pos){
    let win = GetWindowWithId(id);
    let data = {x: win.x, y: win.y};

    if(data.x && data.y){
        SetPosition(id, data);
        return;
    }
    SetPosition(id, pos);
}


function CreateWindow(type, data = {}){
    let finalData = {...{type}, ...defValues[type], ...data}

    let contains = false;
    for (let i = 0; i < windows.value.length; i++) {
        if(windows.value[i].id == finalData.id){
            contains = true;
            break;
        }
    }
    if(!contains) {
        windows.value.push(finalData);
        // reload.value += 1;

        setTimeout(() => SetOnTop(finalData.id), 0);
    }
}

function CreateChildWindow(parentId, type, data = {}){
    let finalData = {...{type}, ...defValues[type], ...data}

    let parent = GetWindowWithId(parentId);
    if(parent.children) parent.children.push(finalData.id);
    else parent.children = [finalData.id];
    CreateWindow(type, data);
}

function ClearAll(){
    Object.keys(windows).forEach((key) => {
        windows.value = [];
    });
}

function ClearWindows(data){
    for (let i = 0; i < windows.value.length; i++) {
        ClearWindow(windows.value[i].id);
    }
    // reload.value += 1;
}

function ClearWindow(id){
    let win = GetWindowWithId(id);
    if(!win) return;
    if(win.children) for(let i = 0; i < win.children.length; i++) ClearWindow(win.children[i]);
    windows.value = windows.value.filter((e) => {return e.id !== id});
    // reload.value += 1;
}

function GetWindowWithId(id){
    for(let i = 0; i < windows.value.length; i++){
        if(windows.value[i].id == id){
            return windows.value[i];
        }
    }
}

function SaveWindowPos(data){
    let win = GetWindowWithId(data.id);
    if(win === undefined) return;
    win.x = data.x;
    win.y = data.y;
}

function SetOnTop(id){
    let currentWindowId = "window-wrapper-" + id;
    let currentWindow = document.getElementById(currentWindowId);

    currentIndex += 1;
    currentWindow.style.zIndex = currentIndex;
}

export {
    SetupHandle,
    SetSize,
    SetPosition,
    ResetPosition,
    Windows,
    ReloadRef,
    ClearWindows,
    CreateWindow,
    CreateChildWindow,
    GetWindowWithId,
    SaveWindowPos,
    GetPosition,
    ClearWindow,
    ClearAll
}