let gearData = null;
let gearThreadActive = false;
let keepStatsUpdated = false;

function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

document.addEventListener('DOMContentLoaded', () => {
	    loadGearData();
	    sendToCSharp("OSType");
});

const delay = (ms) => new Promise(res => setTimeout(res, ms));

async function updateStatsPage() {
    while (keepStatsUpdated) {
        await fetchCemuBase();
        await delay(2000);
    }
}

async function loadGearData() {
    try {
        const response = await fetch('ids.json');
        gearData = await response.json();
        populateAbilities();
        syncGearDropdown();
    } catch (e) {
        console.error("Gear IDs failed to load. Check if ids.json exists.", e);
    }
}

function onCategoryChange() {
    syncGearDropdown();
    const grid = document.getElementById('gear-selection-grid');
    grid.innerHTML = '<p style="text-align: center; width: 100%; padding: 20px;">Fetching Gear...</p>';
    execute('FetchGear');
}

function syncGearDropdown() {
    if (!gearData) return;
    const cat = document.getElementById('gear-category').value;

    const key = (cat === "clothing") ? "clothes" : cat;
    const select = document.getElementById('gear-item');

    if (!select) return;
    select.innerHTML = '';

    if (gearData[key]) {
        for (const [id, name] of Object.entries(gearData[key])) {
            const opt = document.createElement('option');
            opt.value = id;
            opt.textContent = name;
            select.appendChild(opt);
        }
    }
}

function populateAbilities() {
    const selectors = ['ability-sub1', 'ability-sub2', 'ability-sub3'];
    selectors.forEach(id => {
        const select = document.getElementById(id);
        if (!select || !gearData.abilities) return;
        select.innerHTML = '';
        for (const [val, name] of Object.entries(gearData.abilities)) {
            const opt = document.createElement('option');
            opt.value = val;
            opt.textContent = name;
            select.appendChild(opt);
        }
    });
}

function populateEquipment() {
    const weapons = document.getElementById("weapon-sets");
    const headgear = document.getElementById("headgear-sets");
    const clothes = document.getElementById("clothes-sets");
    const shoes = document.getElementById("shoes-sets");

    weapons.innerHTML = '';
    for (const [val, name] of Object.entries(gearData.WeaponSetIds)) {
        const opt = document.createElement('option');
        opt.value = val;
        opt.textContent = name;
        weapons.appendChild(opt);
    }

    headgear.innerHTML = '';
    for (const [val, name] of Object.entries(gearData.headgear)) {
        const opt = document.createElement('option');
        opt.value = val;
        opt.textContent = name;
        headgear.appendChild(opt);
    }

    clothes.innerHTML = '';
    for (const [val, name] of Object.entries(gearData.clothes)) {
        const opt = document.createElement('option');
        opt.value = val;
        opt.textContent = name;
        clothes.appendChild(opt);
    }

    shoes.innerHTML = '';
    for (const [val, name] of Object.entries(gearData.shoes)) {
        const opt = document.createElement('option');
        opt.value = val;
        opt.textContent = name;
        shoes.appendChild(opt);
    }

    sendToCSharp("AllEquipment");
}

function warnUser() {
    if (!sessionStorage.getItem("warnShown")) {
        alert("DO NOT USE ANY OF THESE BEFORE THE TITLE SCREEN LOADED OR YOU WILL WIPE YOUR SAVE FILE YOU HAVE BEEN WARNED!!!");
        sessionStorage.setItem('warnShown', 'true');
    }
}

window.external.receiveMessage(message => {
    // console.log(message)
    if (message.startsWith("Cemu Base:")) {
        document.getElementById("cbase").innerHTML = message;
    } 

    if (message === "2") {
        alert("MacOS Build is Untested. Expect Issues!");
    }

    try {
        const data = JSON.parse(message);
        console.log("Parsed Data:", data);

        if (data.EquippedWepId !== undefined) {
            const weapons = document.getElementById("weapon-sets");
            const headgear = document.getElementById("headgear-sets");
            const clothes = document.getElementById("clothes-sets");
            const shoes = document.getElementById("shoes-sets");
            weapons.value = data.EquippedWepId;
            headgear.value = data.EquippedHeadgearId;
            clothes.value = data.EquippedClothesId;
            shoes.value = data.EquippedShoesId;
            return;
        }

        const container = document.getElementById("pid-display");

        if (data.Players) {
            container.innerHTML = `<p style="text-align: center; opacity: 0.5; margin-top: 20px;">Fetching data....</p>`;
            let html = `<div style="grid-column: span 2; color: var(--highlight); font-family: monospace; font-size: 14px; margin-bottom: 5px; border-bottom: 1px solid #222; padding-bottom: 5px;">SESSION: ${data.SessionID}</div>`;
            data.Players.forEach((p, i) => {
                html += `<div class="pid-card"><b>P${i}: ${p.Name}</b><br><small>PID: ${p.PID}</small><br><small>NNID: ${p.NNID}</small></div>`;
            });
            container.innerHTML = html || '<p style="text-align: center;">No players found.</p>';
        }

        else if (data.headgear || data.clothing || data.shoes || data.clothes) {
            renderGearGrid(data);
        }
    } catch (e) {
	    console.log(e.message);
    }
});

function renderGearGrid(fullData) {
    const category = document.getElementById('gear-category').value;
    const grid = document.getElementById('gear-selection-grid');
    grid.innerHTML = "";

    let items = fullData[category];
    if (!items && category === "clothing") items = fullData["clothes"];

    if (!items || items.length === 0) {
        grid.innerHTML = '<p style="text-align: center; width: 100%; padding: 20px;">No gear found in this category.</p>';
        return;
    }

    const idLookupKey = (category === "clothing") ? "clothes" : category;

    items.forEach((item, index) => {
        const isEmpty = (item.GearID === 4294967295 || item.GearID === -1);

        let gearName = "Unknown Item";
        if (isEmpty) {
            gearName = "Empty Slot (+)";
        } else if (gearData && gearData[idLookupKey] && gearData[idLookupKey][item.GearID]) {
            gearName = gearData[idLookupKey][item.GearID];
        } else {
            gearName = `ID: ${item.GearID}`;
        }

        const card = document.createElement('div');
        card.className = 'pid-card';
        card.style.cursor = 'pointer';

        if (isEmpty) {
            card.style.borderLeft = '4px dashed #444';
            card.style.opacity = '0.7';
        }

        card.innerHTML = `<b>${gearName}</b><br><small>Slot: ${index}</small>`;

        card.onclick = () => {
            document.querySelectorAll('.pid-card').forEach(c => {
                c.style.borderColor = 'var(--border)';
                c.style.background = 'transparent';
            });
            card.style.borderColor = 'var(--highlight)';
            card.style.background = 'rgba(3, 218, 198, 0.05)';

            syncGearDropdown();
            document.getElementById('gear-slot-idx').value = index;

            if (!isEmpty) {
                document.getElementById('gear-item').value = item.GearID;

                document.getElementById('ability-sub1').value = (item.Slot1 === 4294967295) ? 0 : item.Slot1;
                document.getElementById('ability-sub2').value = (item.Slot2 === 4294967295) ? 0 : item.Slot2;
                document.getElementById('ability-sub3').value = (item.Slot3 === 4294967295) ? 0 : item.Slot3;
            } else {
                document.getElementById('gear-item').selectedIndex = 0;
                document.getElementById('ability-sub1').value = 0;
                document.getElementById('ability-sub2').value = 0;
                document.getElementById('ability-sub3').value = 0;
            }
        };

        grid.appendChild(card);
    });
}

function applyGearChange() {
    const category = document.getElementById('gear-category').value;
    const slot = document.getElementById('gear-slot-idx').value;
    const id = document.getElementById('gear-item').value;
    const s1 = document.getElementById('ability-sub1').value;
    const s2 = document.getElementById('ability-sub2').value;
    const s3 = document.getElementById('ability-sub3').value;

    sendToCSharp("WriteToGearQueue", [slot, category, id, s1, s2, s3]);
}

function toggleGearThread() {
    gearThreadActive = !gearThreadActive;
    const btn = document.getElementById('gear-thread-btn');
    btn.textContent = gearThreadActive ? "Stop Queue" : "Write Queue";
    btn.style.background = gearThreadActive ? "var(--highlight)" : "#333";
    sendToCSharp("WriteGearQueue");
}

function sendToCSharp(action, settings = []) {
    if (window.external && window.external.sendMessage) {
        window.external.sendMessage(JSON.stringify({ action: action, settings: settings }));
    }
}

function openTab(evt, tabName) {
    const content = document.getElementsByClassName("tab-content");
    for (let i = 0; i < content.length; i++) {
        content[i].classList.remove("active");
        content[i].style.display = "none";
    }
    const links = document.getElementsByClassName("tab-link");
    for (let i = 0; i < links.length; i++) links[i].classList.remove("active");

    document.getElementById(tabName).style.display = "block";
    document.getElementById(tabName).classList.add("active");
    evt.currentTarget.classList.add("active");
    if (tabName === 'Tab6') {
        keepStatsUpdated = true;
        updateStatsPage();
    } else if (tabName == 'Tab8') {
        warnUser()
    } else if (tabName == 'Tab9') {
        warnUser()
        populateEquipment()
    } else {
        keepStatsUpdated = false;
    }
}

function namechange() { sendToCSharp("namechange", [document.getElementById("name-input").value]); }
function sessionid() { sendToCSharp("sessionid", [document.getElementById("session-input").value]); }
function faceimgtga() { sendToCSharp("faceimgtga", [document.getElementById("format-select").value]); }
function GenderChange() { sendToCSharp("ChangeGender", [document.getElementById("gender-select").value]); }
function Level() { sendToCSharp("ChangeLevel", [document.getElementById("level-input").value]); }
function Cash() { sendToCSharp("ChangeCash", [document.getElementById("cash-input").value]); }
function SeaSnails() { sendToCSharp("ChangeSeaSnails", [document.getElementById("snails-input").value]); }
function execute(cheat) { sendToCSharp(cheat); }
function fetchCemuBase() { sendToCSharp("cbase"); }
function fetchPids() { sendToCSharp("sessiondata"); }
function changeHeadgear() { sendToCSharp("HeadgearChange", [document.getElementById("headgear-sets").value]); }
function changeHeadgearApply() { sendToCSharp("HeadgearChangeApply", [document.getElementById("headgear-sets").value]); }
function changeClothes() { sendToCSharp("ClothesChange", [document.getElementById("clothes-sets").value]); }
function changeClothesApply() { sendToCSharp("ClothesChangeApply", [document.getElementById("clothes-sets").value]); }
function changeShoes() { sendToCSharp("ShoesChange", [document.getElementById("shoes-sets").value]); }
function changeShoesApply() { sendToCSharp("ShoesChangeApply", [document.getElementById("shoes-sets").value]); }
function changeWeapon() { sendToCSharp("WepChange", [document.getElementById("weapon-sets").value]); }
function changeWeaponApply() { sendToCSharp("WepChangeApply", [document.getElementById("weapon-sets").value]); }