import { exec, spawn, toast } from './assets/kernelsu.js';
import { basePath, loadingIndicator, hideFloatingBtn, appsWithExclamation, appsWithQuestion, applyRippleEffect } from './main.js';

const appTemplate = document.getElementById('app-template').content;
const modeOverlay = document.querySelector('.mode-overlay');
export const appListContainer = document.getElementById('apps-list');
export const updateCard = document.getElementById('update-card');

let targetList = [];

// Fetch and render applist
export async function fetchAppList() {
    // fetch target list
    await exec('cat /data/adb/tricky_store/target.txt')
        .then(({ errno, stdout }) => {
            if (errno === 0) {
                targetList = processTargetList(stdout);
            } else {
                toast("Failed to read target.txt!");
            }
        });

    // Fetch cached applist
    const response = await fetch('applist.json');
    const appList = await response.json();
    const appNameMap = appList.reduce((map, app) => {
        map[app.package_name] = app.app_name;
        return map;
    }, {});

    // Get installed packages
    let appEntries = [], installedPackages = [];
    const output = spawn('sh', [`${basePath}/common/get_extra.sh`, '--applist']);
    output.stdout.on('data', (data) => {
        if (data.trim() === "") return;
        installedPackages.push(data);
    });
    output.on('exit', async () => {
        // Create appEntries array contain { appName, packageName }
        appEntries = await Promise.all(installedPackages.map(async (packageName) => {
            if (appNameMap[packageName]) {
                return {
                    appName: appNameMap[packageName],
                    packageName
                };
            }
            return new Promise((resolve) => {
                const output = spawn('sh', [`${basePath}/common/get_extra.sh`, '--appname', packageName],
                                { env: { PATH: `$PATH:${basePath}/common:/data/data/com.termux/files/usr/bin` } });
                output.stdout.on('data', (data) => {
                    resolve({
                        appName: data,
                        packageName
                    });
                });
            });
        }));
        renderAppList(appEntries);
    });
}

/**
 * Render processed app list to the UI
 * @param {Array} data - Array of objects containing appName and packageName
 * @returns {void}
 */
function renderAppList(data) {
    // Sort
    const sortedApps = data.sort((a, b) => {
        const aChecked = targetList.includes(a.packageName);
        const bChecked = targetList.includes(b.packageName);
        if (aChecked !== bChecked) {
            return aChecked ? -1 : 1;
        }
        return (a.appName || "").localeCompare(b.appName || "");
    });

    // Render
    appListContainer.innerHTML = "";
    sortedApps.forEach(({ appName, packageName }) => {
        const appElement = document.importNode(appTemplate, true);
        const contentElement = appElement.querySelector(".content");
        contentElement.setAttribute("data-package", packageName);
    
        // Set unique names for radio button groups
        const radioButtons = appElement.querySelectorAll('input[type="radio"]');
        radioButtons.forEach((radio) => {
            radio.name = `mode-radio-${packageName}`;
        });
    
        // Preselect the radio button based on the package name
        const generateRadio = appElement.querySelector('#generate-mode');
        const hackRadio = appElement.querySelector('#hack-mode');
        const normalRadio = appElement.querySelector('#normal-mode');
    
        if (appsWithExclamation.includes(packageName)) {
            generateRadio.checked = true;
        } else if (appsWithQuestion.includes(packageName)) {
            hackRadio.checked = true;
        } else {
            normalRadio.checked = true;
        }
    
        const nameElement = appElement.querySelector(".name");
        nameElement.innerHTML = `
            <div class="app-info">
                <div class="app-name"><strong>${appName}</strong></div>
                <div class="package-name">${packageName}</div>
            </div>
        `;
        const checkbox = appElement.querySelector(".checkbox");
        checkbox.checked = targetList.includes(packageName);
        appListContainer.appendChild(appElement);
    });

    loadingIndicator.style.display = "none";
    hideFloatingBtn(false);
    document.querySelector('.uninstall-container').classList.remove('hidden-uninstall');
    toggleableCheckbox();
    if (appListContainer.firstChild !== updateCard) {
        appListContainer.insertBefore(updateCard, appListContainer.firstChild);
    }
    setupRadioButtonListeners();
    setupModeMenu();
    updateCheckboxColor();
    applyRippleEffect();
}

// Function to save app with ! and ? then process target list
function processTargetList(targetFileContent) {
    appsWithExclamation.length = 0;
    appsWithQuestion.length = 0;
    const targetList = targetFileContent
        .split("\n")
        .map(app => {
            const trimmedApp = app.trim();
            if (trimmedApp.endsWith('!')) {
                appsWithExclamation.push(trimmedApp.slice(0, -1));
            } else if (trimmedApp.endsWith('?')) {
                appsWithQuestion.push(trimmedApp.slice(0, -1));
            }
            return trimmedApp.replace(/[!?]/g, '');
        })
        .filter(app => app.trim() !== '');
    return targetList;
}

// Make checkboxes toggleable
function toggleableCheckbox() {
    const appElements = appListContainer.querySelectorAll(".card");
    appElements.forEach(card => {
        const content = card.querySelector(".content");
        const checkbox = content.querySelector(".checkbox");
        content.addEventListener("click", (event) => {
            checkbox.checked = !checkbox.checked;
        });
    });
}

// Add eventlistener to mode button
function setupRadioButtonListeners() {
    const radioButtons = appListContainer.querySelectorAll('input[type="radio"]');
    radioButtons.forEach((radioButton) => {
        radioButton.addEventListener('change', (event) => {
            const card = radioButton.closest(".card");
            const packageName = card.querySelector(".content").getAttribute("data-package");
            if (radioButton.id === 'generate-mode') {
                if (!appsWithExclamation.includes(packageName)) {
                    appsWithExclamation.push(packageName);
                }
                const indexInQuestion = appsWithQuestion.indexOf(packageName);
                if (indexInQuestion > -1) {
                    appsWithQuestion.splice(indexInQuestion, 1);
                }
            } else if (radioButton.id === 'hack-mode') {
                if (!appsWithQuestion.includes(packageName)) {
                    appsWithQuestion.push(packageName);
                }
                const indexInExclamation = appsWithExclamation.indexOf(packageName);
                if (indexInExclamation > -1) {
                    appsWithExclamation.splice(indexInExclamation, 1);
                }
            } else if (radioButton.id === 'normal-mode') {
                const indexInExclamation = appsWithExclamation.indexOf(packageName);
                if (indexInExclamation > -1) {
                    appsWithExclamation.splice(indexInExclamation, 1);
                }
                const indexInQuestion = appsWithQuestion.indexOf(packageName);
                if (indexInQuestion > -1) {
                    appsWithQuestion.splice(indexInQuestion, 1);
                }
            }
            updateCheckboxColor();
            console.log("Updated appsWithExclamation:", appsWithExclamation);
            console.log("Updated appsWithQuestion:", appsWithQuestion);
        });
    });
}

// Hold to open menu
function setupModeMenu() {
    let holdTimeout;
    function showMode(card) {
        const modeElement = card.querySelector(".mode");
        if (modeElement) {
            modeElement.style.display = "flex";
            modeOverlay.style.display = "flex";
            setTimeout(() => {
                modeElement.classList.add('show');
            }, 10);
        }
    }
    function hideAllModes() {
        const allModeElements = appListContainer.querySelectorAll(".mode");
        allModeElements.forEach((modeElement) => {
            modeElement.classList.remove('show');
            modeOverlay.style.display = "none";
            setTimeout(() => {
                modeElement.style.display = "none";
            }, 200);
        });
    }

    const cards = appListContainer.querySelectorAll(".card");
    cards.forEach((card) => {
        card.addEventListener("pointerdown", () => {
            const checkbox = card.querySelector(".checkbox");
            if (checkbox && checkbox.checked) {
                holdTimeout = setTimeout(() => {
                    showMode(card);
                }, 500);
            }
        });
        card.addEventListener("pointerup", () => clearTimeout(holdTimeout));
        card.addEventListener("pointercancel", () => clearTimeout(holdTimeout));
    });

    document.addEventListener("click", (event) => {
        if (!event.target.closest(".mode") || modeOverlay.contains(event.target)) {
            hideAllModes();
        } else if (event.target.closest(".status-indicator")) {
            setTimeout(() => {
                hideAllModes();
            }, 300);
        }
    });
    window.addEventListener("scroll", hideAllModes);
}

// Function to update card borders color
function updateCheckboxColor() {
    const cards = appListContainer.querySelectorAll(".card");
    cards.forEach((card) => {
        const packageName = card.querySelector(".content").getAttribute("data-package");
        const checkbox = card.querySelector(".checkbox");
        checkbox.classList.remove("checkbox-checked-generate", "checkbox-checked-hack");
        if (appsWithExclamation.includes(packageName)) {
            checkbox.classList.add("checkbox-checked-generate");
        } else if (appsWithQuestion.includes(packageName)) {
            checkbox.classList.add("checkbox-checked-hack");
        } else if (checkbox.checked) {
            checkbox.classList.remove("checkbox-checked-generate", "checkbox-checked-hack");
        }
    });
}