import { showToast, openCivitai, copyToClipboard } from '../utils/uiHelpers.js';
import { state } from '../state/index.js';
import { showLoraModal } from './loraModal/index.js';
import { bulkManager } from '../managers/BulkManager.js';
import { NSFW_LEVELS } from '../utils/constants.js';
import { replacePreview, deleteModel } from '../api/loraApi.js'

export function createLoraCard(lora) {
    const card = document.createElement('div');
    card.className = 'lora-card';
    card.dataset.sha256 = lora.sha256;
    card.dataset.filepath = lora.file_path;
    card.dataset.name = lora.model_name;
    card.dataset.file_name = lora.file_name;
    card.dataset.folder = lora.folder;
    card.dataset.modified = lora.modified;
    card.dataset.file_size = lora.file_size;
    card.dataset.from_civitai = lora.from_civitai;
    card.dataset.base_model = lora.base_model;
    card.dataset.usage_tips = lora.usage_tips;
    card.dataset.notes = lora.notes;
    card.dataset.meta = JSON.stringify(lora.civitai || {});
    
    // Store tags and model description
    if (lora.tags && Array.isArray(lora.tags)) {
        card.dataset.tags = JSON.stringify(lora.tags);
    }
    if (lora.modelDescription) {
        card.dataset.modelDescription = lora.modelDescription;
    }

    // Store NSFW level if available
    const nsfwLevel = lora.preview_nsfw_level !== undefined ? lora.preview_nsfw_level : 0;
    card.dataset.nsfwLevel = nsfwLevel;
    
    // Determine if the preview should be blurred based on NSFW level and user settings
    const shouldBlur = state.settings.blurMatureContent && nsfwLevel > NSFW_LEVELS.PG13;
    if (shouldBlur) {
        card.classList.add('nsfw-content');
    }

    // Apply selection state if in bulk mode and this card is in the selected set
    if (state.bulkMode && state.selectedLoras.has(lora.file_path)) {
        card.classList.add('selected');
    }

    // Get the page-specific previewVersions map
    const previewVersions = state.pages.loras.previewVersions || new Map();
    const version = previewVersions.get(lora.file_path);
    const previewUrl = lora.preview_url || '/loras_static/images/no-preview.png';
    const versionedPreviewUrl = version ? `${previewUrl}?t=${version}` : previewUrl;

    // Determine NSFW warning text based on level
    let nsfwText = "Mature Content";
    if (nsfwLevel >= NSFW_LEVELS.XXX) {
        nsfwText = "XXX-rated Content";
    } else if (nsfwLevel >= NSFW_LEVELS.X) {
        nsfwText = "X-rated Content";
    } else if (nsfwLevel >= NSFW_LEVELS.R) {
        nsfwText = "R-rated Content";
    }

    // Check if autoplayOnHover is enabled for video previews
    const autoplayOnHover = state.global.settings.autoplayOnHover || false;
    const isVideo = previewUrl.endsWith('.mp4');
    const videoAttrs = autoplayOnHover ? 'controls muted loop' : 'controls autoplay muted loop';

    card.innerHTML = `
        <div class="card-preview ${shouldBlur ? 'blurred' : ''}">
            ${isVideo ? 
                `<video ${videoAttrs}>
                    <source src="${versionedPreviewUrl}" type="video/mp4">
                </video>` :
                `<img src="${versionedPreviewUrl}" alt="${lora.model_name}">`
            }
            <div class="card-header">
                ${shouldBlur ? 
                  `<button class="toggle-blur-btn" title="Toggle blur">
                      <i class="fas fa-eye"></i>
                  </button>` : ''}
                <span class="base-model-label ${shouldBlur ? 'with-toggle' : ''}" title="${lora.base_model}">
                    ${lora.base_model}
                </span>
                <div class="card-actions">
                    <i class="fas fa-globe" 
                       title="${lora.from_civitai ? 'View on Civitai' : 'Not available from Civitai'}"
                       ${!lora.from_civitai ? 'style="opacity: 0.5; cursor: not-allowed"' : ''}>
                    </i>
                    <i class="fas fa-copy" 
                       title="Copy LoRA Syntax">
                    </i>
                    <i class="fas fa-trash" 
                       title="Delete Model">
                    </i>
                </div>
            </div>
            ${shouldBlur ? `
                <div class="nsfw-overlay">
                    <div class="nsfw-warning">
                        <p>${nsfwText}</p>
                        <button class="show-content-btn">Show</button>
                    </div>
                </div>
            ` : ''}
            <div class="card-footer">
                <div class="model-info">
                    <span class="model-name">${lora.model_name}</span>
                </div>
                <div class="card-actions">
                    <i class="fas fa-image" 
                       title="Replace Preview Image">
                    </i>
                </div>
            </div>
        </div>
    `;

    // Main card click event - modified to handle bulk mode
    card.addEventListener('click', () => {
        // Check if we're in bulk mode
        if (state.bulkMode) {
            // Toggle selection using the bulk manager
            bulkManager.toggleCardSelection(card);
        } else {
            // Normal behavior - show modal
            const loraMeta = {
                sha256: card.dataset.sha256,
                file_path: card.dataset.filepath,
                model_name: card.dataset.name,
                file_name: card.dataset.file_name,
                folder: card.dataset.folder,
                modified: card.dataset.modified,
                file_size: card.dataset.file_size,
                from_civitai: card.dataset.from_civitai === 'true',
                base_model: card.dataset.base_model,
                usage_tips: card.dataset.usage_tips,
                notes: card.dataset.notes,
                // Parse civitai metadata from the card's dataset
                civitai: (() => {
                    try {
                        // Attempt to parse the JSON string
                        return JSON.parse(card.dataset.meta || '{}');
                    } catch (e) {
                        console.error('Failed to parse civitai metadata:', e);
                        return {}; // Return empty object on error
                    }
                })(),
                tags: JSON.parse(card.dataset.tags || '[]'),
                modelDescription: card.dataset.modelDescription || ''
            };
            showLoraModal(loraMeta);
        }
    });

    // Toggle blur button functionality
    const toggleBlurBtn = card.querySelector('.toggle-blur-btn');
    if (toggleBlurBtn) {
        toggleBlurBtn.addEventListener('click', (e) => {
            e.stopPropagation();
            const preview = card.querySelector('.card-preview');
            const isBlurred = preview.classList.toggle('blurred');
            const icon = toggleBlurBtn.querySelector('i');
            
            // Update the icon based on blur state
            if (isBlurred) {
                icon.className = 'fas fa-eye';
            } else {
                icon.className = 'fas fa-eye-slash';
            }
            
            // Toggle the overlay visibility
            const overlay = card.querySelector('.nsfw-overlay');
            if (overlay) {
                overlay.style.display = isBlurred ? 'flex' : 'none';
            }
        });
    }

    // Show content button functionality
    const showContentBtn = card.querySelector('.show-content-btn');
    if (showContentBtn) {
        showContentBtn.addEventListener('click', (e) => {
            e.stopPropagation();
            const preview = card.querySelector('.card-preview');
            preview.classList.remove('blurred');
            
            // Update the toggle button icon
            const toggleBtn = card.querySelector('.toggle-blur-btn');
            if (toggleBtn) {
                toggleBtn.querySelector('i').className = 'fas fa-eye-slash';
            }
            
            // Hide the overlay
            const overlay = card.querySelector('.nsfw-overlay');
            if (overlay) {
                overlay.style.display = 'none';
            }
        });
    }

    // Copy button click event
    card.querySelector('.fa-copy')?.addEventListener('click', async e => {
        e.stopPropagation();
        const usageTips = JSON.parse(card.dataset.usage_tips || '{}');
        const strength = usageTips.strength || 1;
        const loraSyntax = `<lora:${card.dataset.file_name}:${strength}>`;
        
        await copyToClipboard(loraSyntax, 'LoRA syntax copied');
    });

    // Civitai button click event
    if (lora.from_civitai) {
        card.querySelector('.fa-globe')?.addEventListener('click', e => {
            e.stopPropagation();
            openCivitai(lora.model_name);
        });
    }

    // Delete button click event
    card.querySelector('.fa-trash')?.addEventListener('click', e => {
        e.stopPropagation();
        deleteModel(lora.file_path);
    });

    // Replace preview button click event
    card.querySelector('.fa-image')?.addEventListener('click', e => {
        e.stopPropagation();
        replacePreview(lora.file_path);
    });
    
    // Apply bulk mode styling if currently in bulk mode
    if (state.bulkMode) {
        const actions = card.querySelectorAll('.card-actions');
        actions.forEach(actionGroup => {
            actionGroup.style.display = 'none';
        });
    }
    
    // Add autoplayOnHover handlers for video elements if needed
    const videoElement = card.querySelector('video');
    if (videoElement && autoplayOnHover) {
        const cardPreview = card.querySelector('.card-preview');
        
        // Remove autoplay attribute and pause initially
        videoElement.removeAttribute('autoplay');
        videoElement.pause();
        
        // Add mouse events to trigger play/pause
        cardPreview.addEventListener('mouseenter', () => {
            videoElement.play();
        });
        
        cardPreview.addEventListener('mouseleave', () => {
            videoElement.pause();
            videoElement.currentTime = 0;
        });
    }

    return card;
}

// Add a method to update card appearance based on bulk mode
export function updateCardsForBulkMode(isBulkMode) {
    // Update the state
    state.bulkMode = isBulkMode;
    
    document.body.classList.toggle('bulk-mode', isBulkMode);
    
    // Get all lora cards
    const loraCards = document.querySelectorAll('.lora-card');
    
    loraCards.forEach(card => {
        // Get all action containers for this card
        const actions = card.querySelectorAll('.card-actions');
        
        // Handle display property based on mode
        if (isBulkMode) {
            // Hide actions when entering bulk mode
            actions.forEach(actionGroup => {
                actionGroup.style.display = 'none';
            });
        } else {
            // Ensure actions are visible when exiting bulk mode
            actions.forEach(actionGroup => {
                // We need to reset to default display style which is flex
                actionGroup.style.display = 'flex';
            });
        }
    });
    
    // Apply selection state to cards if entering bulk mode
    if (isBulkMode) {
        bulkManager.applySelectionState();
    }
}