let currentUser = null;

document.addEventListener('DOMContentLoaded', function() {
    checkAuth();
    loadUserProfile();
    loadRecentActivity();
    setInterval(loadRecentActivity, 30000);
});

function checkAuth() {
    const token = localStorage.getItem('dashx_token');
    const user = JSON.parse(localStorage.getItem('dashx_user') || '{}');

    if (!token) {
        window.location.href = '/auth';
        return;
    }

    currentUser = user;
}

async function updateCustomApiKey() {
    const customApiKey = document.getElementById('customApiKeyInput').value.trim();

    if (!customApiKey) {
        Swal.fire({
            icon: "error",
            title: "Missing API Key",
            text: "Please enter a custom API key"
        });
        return;
    }

    try {
        const token = localStorage.getItem('dashx_token');
        const response = await fetch('/api/user/profile', {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${token}`
            },
            body: JSON.stringify({ customApiKey })
        });

        const result = await response.json();

        if (result.success) {
            Swal.fire({
                title: "API Key Updated!",
                text: "Your custom API key has been set successfully",
                icon: "success"
            });
            document.getElementById('customApiKeyInput').value = '';
            loadUserProfile();
            loadRecentActivity();
        } else {
            Swal.fire({
                icon: "error",
                title: "Update Failed",
                text: result.error
            });
        }
    } catch (error) {
        Swal.fire({
            icon: "error",
            title: "Network Error",
            text: "Please try again later"
        });
    }
}

async function loadUserProfile() {
    try {
        const token = localStorage.getItem('dashx_token');
        const response = await fetch('/api/user/profile', {
            headers: { 'Authorization': `Bearer ${token}` }
        });

        if (response.ok) {
            const result = await response.json();
            if (result.success) {
                const user = result.user;
                updateProfileDisplay(user);
            }
        } else {
            logout();
        }
    } catch (error) {
        console.error('Error loading profile:', error);
        logout();
    }
}

async function loadRecentActivity() {
    try {
        const token = localStorage.getItem('dashx_token');
        const response = await fetch('/api/user/activities', {
            headers: { 'Authorization': `Bearer ${token}` }
        });

        if (response.ok) {
            const result = await response.json();
            if (result.success) {
                updateRecentActivity(result.activities);
            }
        }
    } catch (error) {
        console.error('Error loading activities:', error);
    }
}

function updateRecentActivity(activities) {
    const activityList = document.getElementById('recentActivity');

    if (activities.length === 0) {
        activityList.innerHTML = `
            <div class="activity-item">
                <i class="fas fa-info-circle" style="color: #74b9ff;"></i>
                <span>No recent activity</span>
            </div>
        `;
        return;
    }

    const activityIcons = {
        'api_key_generated': 'fas fa-key',
        'limit_updated': 'fas fa-chart-line',
        'profile_updated': 'fas fa-user-edit',
        'redeem_code_used': 'fas fa-gift',
        'premium_activated': 'fas fa-crown',
        'api_request': 'fas fa-code'
    };

    activityList.innerHTML = activities.map(activity => `
        <div class="activity-item">
            <i class="${activityIcons[activity.type] || 'fas fa-circle'}" style="color: #853030;"></i>
            <div style="flex: 1;">
                <span>${activity.description}</span>
                <small style="display: block; opacity: 0.7; margin-top: 0.2rem;">${activity.timeAgo}</small>
            </div>
        </div>
    `).join('');
}

function updateProfileDisplay(user) {
    const usernameEl = document.getElementById('profileUsername');
    const emailEl = document.getElementById('profileEmail');
    const apikeyEl = document.getElementById('profileApiKey');
    const requestsEl = document.getElementById('profileRequests');
    const todayEl = document.getElementById('profileRequestsToday');
    const limitEl = document.getElementById('profileLimit');
    const roleEl = document.getElementById('profileRole');
    const premiumBadge = document.getElementById('premiumBadge');
    const adminBadge = document.getElementById('adminBadge');
    const profileImage = document.getElementById('profileImage');
    const defaultAvatar = document.getElementById('defaultAvatar');

    if (usernameEl) usernameEl.textContent = user.username;
    if (emailEl) emailEl.textContent = user.email;
    if (apikeyEl) apikeyEl.textContent = user.apikey;
    if (requestsEl) requestsEl.textContent = user.requests;
    if (todayEl) todayEl.textContent = user.requestsToday;

    if (user.profileUrl && profileImage && defaultAvatar) {
        profileImage.src = user.profileUrl;
        profileImage.style.display = 'block';
        defaultAvatar.style.display = 'none';

        profileImage.onerror = function() {
            profileImage.style.display = 'none';
            defaultAvatar.style.display = 'block';
        };
    }

    if (limitEl) {
        if (user.role === 'admin' && user.limit >= 9999) {
            limitEl.textContent = '9999';
            limitEl.style.fontSize = '2rem';
            limitEl.style.color = '#853030';
        } else {
            limitEl.textContent = user.limit;
        }
    }

    if (roleEl) {
        roleEl.className = 'badge';

        if (user.role === 'admin') {
            roleEl.innerHTML = '<i class="fas fa-crown"></i> Admin';
            roleEl.classList.add('admin');
            if (adminBadge) adminBadge.style.display = 'inline-block';
        } else {
            if (user.userRole) {
                switch(user.userRole) {
                    case 'cheap':
                        roleEl.innerHTML = '<i class="fas fa-tag"></i> Cheap';
                        roleEl.classList.add('cheap', 'glow-cheap');
                        break;
                    case 'premium':
                        roleEl.innerHTML = '<i class="fas fa-star"></i> Premium';
                        roleEl.classList.add('premium', 'glow-premium');
                        break;
                    case 'vip':
                        roleEl.innerHTML = '<i class="fas fa-gem"></i> VIP';
                        roleEl.classList.add('vip', 'glow-vip');
                        break;
                    case 'supreme':
                        roleEl.innerHTML = '<i class="fas fa-fire"></i> Supreme';
                        roleEl.classList.add('supreme', 'glow-supreme');
                        break;
                    default:
                        roleEl.innerHTML = '<i class="fas fa-user"></i> User';
                        roleEl.classList.add('user');
                }
            } else {
                roleEl.innerHTML = '<i class="fas fa-user"></i> User';
                roleEl.classList.add('user');
            }
        }
    }

    if (user.premium || user.role === 'admin' || user.userRole) {
        if (premiumBadge) {
            premiumBadge.style.display = 'inline-block';
            premiumBadge.innerHTML = '<i class="fas fa-certificate"></i> Premium';
        }
        const premiumFeatures = document.getElementById('premiumFeatures');
        if (premiumFeatures) premiumFeatures.style.display = 'block';
    }

    if (user.roleExpiresAt) {
        const expiryDiv = document.getElementById('roleExpiry');
        const expiryDate = document.getElementById('roleExpiryDate');
        if (expiryDiv && expiryDate) {
            expiryDiv.style.display = 'block';
            const expDate = new Date(user.roleExpiresAt);
            expiryDate.textContent = expDate.toLocaleDateString('en-US', {
                year: 'numeric',
                month: 'long',
                day: 'numeric'
            });

            const daysLeft = Math.ceil((expDate - new Date()) / (1000 * 60 * 60 * 24));
            if (daysLeft <= 7) {
                expiryDiv.style.color = '#ff6b6b';
                expiryDiv.innerHTML = `<i class="fas fa-exclamation-triangle"></i> Expires in ${daysLeft} days: <span id="roleExpiryDate"></span>`;
                document.getElementById('roleExpiryDate').textContent = expDate.toLocaleDateString('en-US', {
                    year: 'numeric',
                    month: 'long',
                    day: 'numeric'
                });
            }
        }
    }

    updateUsageProgress(user.requestsToday, user.limit);
}

function updateUsageProgress(current, limit) {
    const progressFill = document.getElementById('usageProgress');
    const progressText = document.getElementById('usageText');

    if (!progressFill || !progressText) return;

    if (limit >= 9999) {
        progressFill.style.width = '0%';
        progressFill.style.background = 'linear-gradient(90deg, #853030, #292727)';
        progressText.textContent = `${current} / 9999`;
        return;
    }

    const percentage = Math.min((current / limit) * 100, 100);
    progressFill.style.width = percentage + '%';
    progressText.textContent = `${current} / ${limit}`;

    if (percentage >= 90) {
        progressFill.style.background = 'linear-gradient(90deg, #ff6b6b, #ee5a52)';
    } else if (percentage >= 70) {
        progressFill.style.background = 'linear-gradient(90deg, #f093fb, #f5576c)';
    } else {
        progressFill.style.background = 'linear-gradient(90deg, #853030, #292727)';
    }
}

function copyApiKey() {
    const apiKey = document.getElementById('profileApiKey').textContent;
    navigator.clipboard.writeText(apiKey).then(() => {
        Swal.fire({
            title: "Copied!",
            text: "API key copied to clipboard",
            icon: "success",
            timer: 1500,
            showConfirmButton: false
        });
    }).catch(() => {
        Swal.fire({
            icon: "error",
            title: "Copy Failed",
            text: "Could not copy to clipboard"
        });
    });
}

async function updateUsername() {
    const newUsername = document.getElementById('newUsername').value.trim();

    if (!newUsername) {
        Swal.fire({
            icon: "error",
            title: "Missing Username",
            text: "Please enter a new username"
        });
        return;
    }

    try {
        const token = localStorage.getItem('dashx_token');
        const response = await fetch('/api/user/profile', {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${token}`
            },
            body: JSON.stringify({ username: newUsername })
        });

        const result = await response.json();

        if (result.success) {
            Swal.fire({
                title: "Username Updated!",
                text: "Your username has been updated successfully",
                icon: "success"
            });
            document.getElementById('newUsername').value = '';
            loadUserProfile();
            loadRecentActivity();
        } else {
            Swal.fire({
                icon: "error",
                title: "Update Failed",
                text: result.error
            });
        }
    } catch (error) {
        Swal.fire({
            icon: "error",
            title: "Network Error",
            text: "Please try again later"
        });
    }
}

async function updateProfileUrl() {
    const profileUrl = document.getElementById('profileUrlInput').value.trim();

    try {
        const token = localStorage.getItem('dashx_token');
        const response = await fetch('/api/user/profile', {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${token}`
            },
            body: JSON.stringify({ profileUrl })
        });

        const result = await response.json();

        if (result.success) {
            Swal.fire({
                title: "Profile Updated!",
                text: "Your profile picture has been updated successfully",
                icon: "success"
            });
            document.getElementById('profileUrlInput').value = '';
            loadUserProfile();
            loadRecentActivity();
        } else {
            Swal.fire({
                icon: "error",
                title: "Update Failed",
                text: result.error
            });
        }
    } catch (error) {
        Swal.fire({
            icon: "error",
            title: "Network Error",
            text: "Please try again later"
        });
    }
}

async function regenerateApiKey() {
    const result = await Swal.fire({
        title: "Are you sure?",
        text: "This will generate a new API key and invalidate the current one!",
        icon: "warning",
        showCancelButton: true,
        confirmButtonColor: "#853030",
        cancelButtonColor: "#292727",
        confirmButtonText: "Yes, generate new key!",
        cancelButtonText: "Cancel"
    });

    if (result.isConfirmed) {
        try {
            const token = localStorage.getItem('dashx_token');
            const response = await fetch('/api/user/regenerate-key', {
                method: 'POST',
                headers: { 'Authorization': `Bearer ${token}` }
            });

            const apiResult = await response.json();

            if (apiResult.success) {
                Swal.fire({
                    title: "Key Regenerated!",
                    text: `New API Key: ${apiResult.apikey}`,
                    icon: "success"
                });
                loadUserProfile();
                loadRecentActivity();
            } else {
                Swal.fire({
                    title: "Failed!",
                    text: apiResult.error,
                    icon: "error"
                });
            }
        } catch (error) {
            Swal.fire({
                title: "Error!",
                text: "Network error occurred",
                icon: "error"
            });
        }
    }
}

async function deleteAccount() {
    const result = await Swal.fire({
        title: "Are you sure?",
        text: "You won't be able to revert this!",
        icon: "warning",
        showCancelButton: true,
        confirmButtonColor: "#ff6b6b",
        cancelButtonColor: "#853030",
        confirmButtonText: "Yes, delete it!",
        cancelButtonText: "Cancel"
    });

    if (result.isConfirmed) {
        try {
            const token = localStorage.getItem('dashx_token');
            const response = await fetch('/api/user/account', {
                method: 'DELETE',
                headers: { 'Authorization': `Bearer ${token}` }
            });

            const apiResult = await response.json();

            if (apiResult.success) {
                await Swal.fire({
                    title: "Account Deleted!",
                    text: "Your account has been deleted.",
                    icon: "success"
                });
                logout();
            } else {
                Swal.fire({
                    title: "Failed!",
                    text: apiResult.error,
                    icon: "error"
                });
            }
        } catch (error) {
            Swal.fire({
                title: "Error!",
                text: "Network error occurred",
                icon: "error"
            });
        }
    }
}

function logout() {
    localStorage.removeItem('dashx_token');
    localStorage.removeItem('dashx_user');
    window.location.href = '/';
}