leetcode-stats-tracker/script.js at main · nihalmohammad705-debug/leetcode-stats-tracker · GitHub

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document.addEventListener("DOMContentLoaded", function () {
    const searchButton = document.getElementById("search-button");
    const usernameInput = document.getElementById("user-input");
    const loader = document.getElementById("loader");

    const statsContainer = document.getElementById("stats-container");
    const easyProgressCircle = document.querySelector(".easy-progress");
    const mediumProgressCircle = document.querySelector(".medium-progress");
    const hardProgressCircle = document.querySelector(".hard-progress");

    const easyLabel = document.getElementById("easy-label");
    const mediumLabel = document.getElementById("medium-label");
    const hardLabel = document.getElementById("hard-label");

    const cardStatsContainer = document.getElementById("stats-cards");
    const themeToggle = document.getElementById("theme-toggle");

    // Theme management
    function initTheme() {
        const savedTheme = localStorage.getItem('theme') || 'dark';
        document.documentElement.setAttribute('data-theme', savedTheme);
        updateThemeIcon(savedTheme);
    }

    function toggleTheme() {
        const currentTheme = document.documentElement.getAttribute('data-theme');
        const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
        document.documentElement.setAttribute('data-theme', newTheme);
        localStorage.setItem('theme', newTheme);
        updateThemeIcon(newTheme);
    }

    function updateThemeIcon(theme) {
        const icon = themeToggle.querySelector('i');
        if (theme === 'dark') {
            icon.className = 'fas fa-moon';
        } else {
            icon.className = 'fas fa-sun';
        }
    }

    themeToggle.addEventListener('click', toggleTheme);

    function validateUsername(username) {
        if (username.trim() === "") {
            showError("Username should not be empty");
            return false;
        }
        const regex = /^[a-zA-Z0-9_-]{1,15}$/;
        const isMatching = regex.test(username);
        if (!isMatching) {
            showError("Invalid username format");
        }
        return isMatching;
    }

    function showError(message) {
        cardStatsContainer.innerHTML = `<p class="error">${message}</p>`;
    }

    function updateProgress(solved, total, label, circle) {
        const progress = total === 0 ? 0 : (solved / total) * 100;
        circle.style.setProperty("--progress-degree", `${progress}%`);
        label.textContent = `${solved}/${total}`;
    }

    function clearPreviousData() {
        easyLabel.textContent = "";
        mediumLabel.textContent = "";
        hardLabel.textContent = "";

        easyProgressCircle.style.setProperty("--progress-degree", `0%`);
        mediumProgressCircle.style.setProperty("--progress-degree", `0%`);
        hardProgressCircle.style.setProperty("--progress-degree", `0%`);

        cardStatsContainer.innerHTML = "";
    }

    async function fetchUserDetails(username) {
    const url = `https://leetcode-api-faisalshohag.vercel.app/${username}`;

    try {
        loader.classList.remove("hidden");
        searchButton.disabled = true;
        searchButton.textContent = "Searching...";

        clearPreviousData();

        const response = await fetch(url);

        const data = await response.json();

        if (!data || data.totalSolved === undefined) {
            throw new Error("User not found.");
        }

        displayUserData(data);

    } catch (error) {
        clearPreviousData();
        showError("API error or network issue. Try again.");
    } finally {
        loader.classList.add("hidden");
        searchButton.disabled = false;
        searchButton.textContent = "Search";
    }
}

    function displayUserData(data) {
        updateProgress(data.easySolved, data.totalEasy, easyLabel, easyProgressCircle);
        updateProgress(data.mediumSolved, data.totalMedium, mediumLabel, mediumProgressCircle);
        updateProgress(data.hardSolved, data.totalHard, hardLabel, hardProgressCircle);

        const cardData = [
            { label: "Total Solved", value: data.totalSolved },
            { label: "Easy Solved", value: data.easySolved },
            { label: "Medium Solved", value: data.mediumSolved },
            { label: "Hard Solved", value: data.hardSolved },
            { label: "Ranking", value: data.ranking },
            { label: "Contribution Points", value: data.contributionPoint },
        ];

        cardStatsContainer.innerHTML = cardData.map(item => `
            <div class="card">
                <h4>${item.label}</h4>
                <p>${item.value}</p>
            </div>
        `).join("");
    }

    searchButton.addEventListener("click", function () {
        const username = usernameInput.value.trim();
        if (validateUsername(username)) {
            fetchUserDetails(username);
        }
    });

    usernameInput.addEventListener("keypress", function (e) {
        if (e.key === "Enter") {
            searchButton.click();
        }
    });

    // Initialize theme
    initTheme();
});