// WiFi Configuration Component
class WiFiConfigComponent extends Component {
    constructor(container, viewModel, eventBus) {
        super(container, viewModel, eventBus);
        
        logger.debug('WiFiConfigComponent: Constructor called');
        logger.debug('WiFiConfigComponent: Container:', container);
        
        // Track form state
        this.formValid = false;
    }

    mount() {
        logger.debug('WiFiConfigComponent: Mounting...');
        super.mount();
        
        this.setupFormValidation();
        this.setupApplyButton();
        this.setupProgressDisplay();
        
        // Initial validation to ensure button starts disabled
        this.validateForm();
        
        logger.debug('WiFiConfigComponent: Mounted successfully');
    }

    setupFormValidation() {
        logger.debug('WiFiConfigComponent: Setting up form validation...');
        
        const ssidInput = this.findElement('#wifi-ssid');
        const passwordInput = this.findElement('#wifi-password');
        const applyBtn = this.findElement('#apply-wifi-config');
        
        if (!ssidInput || !passwordInput || !applyBtn) {
            logger.error('WiFiConfigComponent: Required form elements not found');
            return;
        }
        
        // Add input event listeners
        this.addEventListener(ssidInput, 'input', this.validateForm.bind(this));
        this.addEventListener(passwordInput, 'input', this.validateForm.bind(this));
        
        // Initial validation
        this.validateForm();
    }

    setupApplyButton() {
        logger.debug('WiFiConfigComponent: Setting up apply button...');
        
        const applyBtn = this.findElement('#apply-wifi-config');
        
        if (applyBtn) {
            this.addEventListener(applyBtn, 'click', this.handleApply.bind(this));
            logger.debug('WiFiConfigComponent: Apply button event listener added');
        } else {
            logger.error('WiFiConfigComponent: Apply button not found');
        }
    }

    setupProgressDisplay() {
        logger.debug('WiFiConfigComponent: Setting up progress display...');
        
        // Subscribe to view model changes
        this.viewModel.subscribe('isConfiguring', (isConfiguring) => {
            this.updateApplyButton(isConfiguring);
        });
        
        this.viewModel.subscribe('configProgress', (progress) => {
            this.updateProgressDisplay(progress);
        });
        
        this.viewModel.subscribe('configResults', (results) => {
            this.updateResultsDisplay(results);
        });
    }

    validateForm() {
        logger.debug('WiFiConfigComponent: Validating form...');
        
        const ssidInput = this.findElement('#wifi-ssid');
        const passwordInput = this.findElement('#wifi-password');
        const applyBtn = this.findElement('#apply-wifi-config');
        
        if (!ssidInput || !passwordInput || !applyBtn) {
            return;
        }
        
        const ssid = ssidInput.value.trim();
        const password = passwordInput.value.trim();
        
        this.formValid = ssid.length > 0 && password.length > 0;
        
        // Update apply button state
        applyBtn.disabled = !this.formValid;
        
        // Update view model
        this.viewModel.setCredentials(ssid, password);
        
        logger.debug('WiFiConfigComponent: Form validation complete. Valid:', this.formValid);
    }

    updateApplyButton(isConfiguring) {
        logger.debug('WiFiConfigComponent: Updating apply button. Configuring:', isConfiguring);
        
        const applyBtn = this.findElement('#apply-wifi-config');
        
        if (!applyBtn) {
            return;
        }
        
        if (isConfiguring) {
            applyBtn.disabled = true;
            applyBtn.classList.add('loading');
            applyBtn.innerHTML = `Apply`;
        } else {
            applyBtn.disabled = !this.formValid;
            applyBtn.classList.remove('loading');
            applyBtn.innerHTML = `Apply`;
        }
    }

    updateProgressDisplay(progress) {
        logger.debug('WiFiConfigComponent: Updating progress display:', progress);
        
        const progressContainer = this.findElement('#wifi-progress-container');
        
        if (!progressContainer || !progress) {
            return;
        }
        
        const { current, total, status } = progress;
        const percentage = total > 0 ? Math.round((current / total) * 100) : 0;
        
        progressContainer.innerHTML = `
            <div class="upload-progress-info">
                <div class="overall-progress">
                    <div class="progress-bar-container">
                        <div class="progress-bar" id="wifi-progress-bar" style="width: ${percentage}%; background-color: #60a5fa;"></div>
                    </div>
                    <span class="progress-text">${current}/${total} Configured (${percentage}%)</span>
                </div>
                <div class="progress-summary" id="wifi-progress-summary">
                    <span>Status: ${status}</span>
                </div>
            </div>
        `;
    }

    showProgressBar(totalNodes) {
        logger.debug('WiFiConfigComponent: Showing initial progress bar for', totalNodes, 'nodes');
        
        const progressContainer = this.findElement('#wifi-progress-container');
        
        if (!progressContainer) {
            return;
        }
        
        progressContainer.innerHTML = `
            <div class="upload-progress-info">
                <div class="overall-progress">
                    <div class="progress-bar-container">
                        <div class="progress-bar" id="wifi-progress-bar" style="width: 0%; background-color: #60a5fa;"></div>
                    </div>
                    <span class="progress-text">0/${totalNodes} Configured (0%)</span>
                </div>
                <div class="progress-summary" id="wifi-progress-summary">
                    <span>Status: Preparing configuration...</span>
                </div>
            </div>
        `;
    }

    updateResultsDisplay(results) {
        logger.debug('WiFiConfigComponent: Updating results display:', results);
        
        const progressContainer = this.findElement('#wifi-progress-container');
        
        if (!progressContainer || !results || results.length === 0) {
            return;
        }
        
        const resultsHtml = results.map(result => `
            <div class="result-item ${result.success ? 'success' : 'error'}">
                <div class="result-node">
                    <span class="node-name">${result.node.hostname || result.node.ip}</span>
                    <span class="node-ip">${result.node.ip}</span>
                </div>
                <div class="result-status">
                    <span class="status-indicator ${result.success ? 'success' : 'error'}">
                        ${result.success ? 'Success' : 'Failed'}
                    </span>
                </div>
                ${result.error ? `<div class="result-error">${this.escapeHtml(result.error)}</div>` : ''}
            </div>
        `).join('');
        
        // Append results to existing progress container
        const existingProgress = progressContainer.querySelector('.upload-progress-info');
        if (existingProgress) {
            existingProgress.innerHTML += `
                <div class="results-section">
                    <div class="results-list">
                        ${resultsHtml}
                    </div>
                </div>
            `;
        }
    }

    async handleApply() {
        logger.debug('WiFiConfigComponent: Apply button clicked');
        
        if (!this.formValid) {
            logger.warn('WiFiConfigComponent: Form is not valid, cannot apply');
            return;
        }
        
        const ssid = this.findElement('#wifi-ssid').value.trim();
        const password = this.findElement('#wifi-password').value.trim();
        const targetNodes = this.viewModel.get('targetNodes');
        
        logger.debug('WiFiConfigComponent: Applying WiFi config to', targetNodes.length, 'nodes');
        logger.debug('WiFiConfigComponent: SSID:', ssid);
        
        // Start configuration
        this.viewModel.startConfiguration();
        
        // Show initial progress bar
        this.showProgressBar(targetNodes.length);
        
        try {
            // Update progress
            this.viewModel.updateConfigProgress(0, targetNodes.length, 'Starting configuration...');
            
            // Apply configuration to each node
            for (let i = 0; i < targetNodes.length; i++) {
                const node = targetNodes[i];
                
                try {
                    logger.debug('WiFiConfigComponent: Configuring node:', node.ip);
                    
                    // Update progress
                    this.viewModel.updateConfigProgress(i + 1, targetNodes.length, `Configuring ${node.hostname || node.ip}...`);
                    
                    // Make API call to configure WiFi
                    const result = await this.configureNodeWiFi(node, ssid, password);
                    
                    // Add successful result
                    this.viewModel.addConfigResult({
                        node,
                        success: true,
                        error: null
                    });
                    
                    logger.debug('WiFiConfigComponent: Successfully configured node:', node.ip);
                    
                } catch (error) {
                    logger.error('WiFiConfigComponent: Failed to configure node:', node.ip, error);
                    
                    // Add failed result
                    this.viewModel.addConfigResult({
                        node,
                        success: false,
                        error: error.message || 'Configuration failed'
                    });
                }
                
                // Small delay between requests to avoid overwhelming the nodes
                if (i < targetNodes.length - 1) {
                    await new Promise(resolve => setTimeout(resolve, 500));
                }
            }
            
            // Complete configuration
            this.viewModel.updateConfigProgress(targetNodes.length, targetNodes.length, 'Configuration complete');
            this.viewModel.completeConfiguration();
            
            logger.debug('WiFiConfigComponent: WiFi configuration completed');
            
        } catch (error) {
            logger.error('WiFiConfigComponent: WiFi configuration failed:', error);
            this.viewModel.completeConfiguration();
        }
    }

    async configureNodeWiFi(node, ssid, password) {
        logger.debug('WiFiConfigComponent: Configuring WiFi for node:', node.ip);
        
        const response = await window.apiClient.callEndpoint({
            ip: node.ip,
            method: 'POST',
            uri: '/api/network/wifi/config',
            params: [
                { name: 'ssid', value: ssid, location: 'body' },
                { name: 'password', value: password, location: 'body' }
            ]
        });
        
        if (!response.success) {
            throw new Error(response.error || 'Failed to configure WiFi');
        }
        
        return response;
    }

    unmount() {
        logger.debug('WiFiConfigComponent: Unmounting...');
        super.unmount();
        logger.debug('WiFiConfigComponent: Unmounted');
    }
}

window.WiFiConfigComponent = WiFiConfigComponent;