/**
 * Door Status Voting - Frontend JavaScript
 */

(function() {
    'use strict';

    document.addEventListener('DOMContentLoaded', function() {
        initDoorVoting();
    });

    function initDoorVoting() {
        const widgets = document.querySelectorAll('.dsv-widget');
        
        widgets.forEach(function(widget) {
            // Vote Buttons
            const buttons = widget.querySelectorAll('.dsv-btn');
            buttons.forEach(function(btn) {
                btn.addEventListener('click', function() {
                    handleVote(widget, btn.dataset.vote);
                });
            });
            
            // Remove Vote Button
            const removeBtn = widget.querySelector('.dsv-remove-vote');
            if (removeBtn) {
                removeBtn.addEventListener('click', function() {
                    handleRemoveVote(widget);
                });
            }
        });
    }

    function handleVote(widget, vote) {
        const postId = widget.dataset.postId;
        const hasVoted = widget.dataset.hasVoted === 'true';
        
        if (hasVoted) return;
        
        // Buttons deaktivieren
        const buttons = widget.querySelectorAll('.dsv-btn');
        buttons.forEach(function(btn) {
            btn.disabled = true;
        });
        
        // Animation starten
        widget.classList.add('dsv-animating');
        
        // AJAX Request
        const formData = new FormData();
        formData.append('action', 'dsv_vote');
        formData.append('post_id', postId);
        formData.append('vote', vote);
        formData.append('nonce', dsvConfig.nonce);
        
        fetch(dsvConfig.ajaxUrl, {
            method: 'POST',
            body: formData,
            credentials: 'same-origin'
        })
        .then(function(response) {
            return response.json();
        })
        .then(function(data) {
            if (data.success) {
                updateWidget(widget, data.data, vote);
            } else {
                console.error('Vote error:', data.data?.message);
                buttons.forEach(function(btn) {
                    btn.disabled = false;
                });
            }
        })
        .catch(function(error) {
            console.error('Network error:', error);
            buttons.forEach(function(btn) {
                btn.disabled = false;
            });
        })
        .finally(function() {
            widget.classList.remove('dsv-animating');
        });
    }

    function handleRemoveVote(widget) {
        const postId = widget.dataset.postId;
        
        // Button deaktivieren
        const removeBtn = widget.querySelector('.dsv-remove-vote');
        if (removeBtn) {
            removeBtn.disabled = true;
            removeBtn.textContent = '...';
        }
        
        widget.classList.add('dsv-animating');
        
        const formData = new FormData();
        formData.append('action', 'dsv_remove_vote');
        formData.append('post_id', postId);
        formData.append('nonce', dsvConfig.nonce);
        
        fetch(dsvConfig.ajaxUrl, {
            method: 'POST',
            body: formData,
            credentials: 'same-origin'
        })
        .then(function(response) {
            return response.json();
        })
        .then(function(data) {
            if (data.success) {
                resetWidgetToVoting(widget, data.data);
            } else {
                console.error('Remove vote error:', data.data?.message);
                if (removeBtn) {
                    removeBtn.disabled = false;
                    removeBtn.textContent = '✕';
                }
            }
        })
        .catch(function(error) {
            console.error('Network error:', error);
            if (removeBtn) {
                removeBtn.disabled = false;
                removeBtn.textContent = '✕';
            }
        })
        .finally(function() {
            widget.classList.remove('dsv-animating');
        });
    }

    function updateWidget(widget, data, userVote) {
        // Status aktualisieren
        widget.dataset.status = data.status;
        widget.dataset.hasVoted = 'true';
        widget.dataset.userVote = userVote;
        
        // Badge aktualisieren
        const badge = widget.querySelector('.dsv-status-badge');
        badge.className = 'dsv-status-badge dsv-status-' + data.status;
        
        if (data.status === 'open') {
            badge.innerHTML = '🟢 GEÖFFNET';
        } else if (data.status === 'closed') {
            badge.innerHTML = '🔴 GESCHLOSSEN';
        } else {
            badge.innerHTML = '🟡 UNKLAR';
        }
        
        // Fortschrittsbalken aktualisieren
        updateProgressBar(widget, data);
        
        // Buttons durch Bestätigung ersetzen
        const buttonsContainer = widget.querySelector('.dsv-buttons');
        buttonsContainer.classList.add('dsv-voted');
        
        const voteClass = userVote === 'open' ? 'dsv-voted-open' : 'dsv-voted-closed';
        const voteIcon = userVote === 'open' ? '✓' : '✗';
        const voteText = userVote === 'open' ? 'Geöffnet' : 'Geschlossen';
        
        buttonsContainer.innerHTML = 
            '<div class="dsv-voted-message ' + voteClass + '">' +
                '<span class="dsv-voted-icon">' + voteIcon + '</span>' +
                '<span class="dsv-voted-text">Du hast für "' + voteText + '" gestimmt</span>' +
                '<button type="button" class="dsv-remove-vote" title="Stimme zurücknehmen">✕</button>' +
            '</div>';
        
        // Event Listener für neuen Remove Button
        const newRemoveBtn = buttonsContainer.querySelector('.dsv-remove-vote');
        newRemoveBtn.addEventListener('click', function() {
            handleRemoveVote(widget);
        });
        
        // Total aktualisieren
        widget.querySelector('.dsv-total').textContent = data.total;
        
        // Pulse Animation
        widget.classList.add('dsv-just-voted');
        setTimeout(function() {
            widget.classList.remove('dsv-just-voted');
        }, 500);
    }

    function resetWidgetToVoting(widget, data) {
        // Status aktualisieren
        widget.dataset.status = data.status;
        widget.dataset.hasVoted = 'false';
        widget.dataset.userVote = '';
        
        // Badge aktualisieren
        const badge = widget.querySelector('.dsv-status-badge');
        badge.className = 'dsv-status-badge dsv-status-' + data.status;
        
        if (data.status === 'open') {
            badge.innerHTML = '🟢 GEÖFFNET';
        } else if (data.status === 'closed') {
            badge.innerHTML = '🔴 GESCHLOSSEN';
        } else {
            badge.innerHTML = '🟡 UNKLAR';
        }
        
        // Fortschrittsbalken aktualisieren
        updateProgressBar(widget, data);
        
        // Voting Buttons wieder anzeigen
        const buttonsContainer = widget.querySelector('.dsv-buttons');
        buttonsContainer.classList.remove('dsv-voted');
        
        buttonsContainer.innerHTML = 
            '<button type="button" class="dsv-btn dsv-btn-open" data-vote="open">' +
                '<span class="dsv-btn-icon">✓</span>' +
                '<span class="dsv-btn-text">Geöffnet</span>' +
            '</button>' +
            '<button type="button" class="dsv-btn dsv-btn-closed" data-vote="closed">' +
                '<span class="dsv-btn-icon">✗</span>' +
                '<span class="dsv-btn-text">Geschlossen</span>' +
            '</button>';
        
        // Event Listener für neue Buttons
        const newButtons = buttonsContainer.querySelectorAll('.dsv-btn');
        newButtons.forEach(function(btn) {
            btn.addEventListener('click', function() {
                handleVote(widget, btn.dataset.vote);
            });
        });
        
        // Total aktualisieren
        widget.querySelector('.dsv-total').textContent = data.total;
    }

    function updateProgressBar(widget, data) {
        const progressOpen = widget.querySelector('.dsv-progress-open');
        const progressClosed = widget.querySelector('.dsv-progress-closed');
        
        progressOpen.style.width = data.openPercent + '%';
        progressClosed.style.width = (100 - data.openPercent) + '%';
        
        // Zähler
        if (data.openPercent > 15) {
            progressOpen.innerHTML = '<span class="dsv-progress-count">' + data.votes.open + '</span>';
        } else {
            progressOpen.innerHTML = '';
        }
        
        if ((100 - data.openPercent) > 15) {
            progressClosed.innerHTML = '<span class="dsv-progress-count">' + data.votes.closed + '</span>';
        } else {
            progressClosed.innerHTML = '';
        }
        
        // Labels
        widget.querySelector('.dsv-label-open').textContent = 'Geöffnet (' + data.openPercent + '%)';
        widget.querySelector('.dsv-label-closed').textContent = 'Geschlossen (' + (100 - data.openPercent) + '%)';
    }

})();