/**
 * Code Quality Dashboard Component
 * Manages the unified code quality dashboard page
 * Supports multiple validator types: architecture, security, performance
 */

// Use centralized logger
const codeQualityLog = window.LogConfig.createLogger('CODE-QUALITY');

function codeQualityDashboard() {
    return {
        // Extend base data
        ...data(),

        // Set current page for navigation
        currentPage: 'code-quality',

        // Validator type selection
        selectedValidator: 'all',  // 'all', 'architecture', 'security', 'performance'
        validatorTypes: ['architecture', 'security', 'performance'],

        // Dashboard-specific data
        loading: false,
        scanning: false,
        error: null,
        successMessage: null,
        scanProgress: null,  // Progress message during scan
        runningScans: [],    // Track running scan IDs
        pollInterval: null,  // Polling interval ID
        stats: {
            total_violations: 0,
            errors: 0,
            warnings: 0,
            info: 0,
            open: 0,
            assigned: 0,
            resolved: 0,
            ignored: 0,
            technical_debt_score: 100,
            trend: [],
            by_severity: {},
            by_rule: {},
            by_module: {},
            top_files: [],
            last_scan: null,
            validator_type: null,
            by_validator: {}
        },

        async init() {
            // Check URL for validator_type parameter
            const urlParams = new URLSearchParams(window.location.search);
            const urlValidator = urlParams.get('validator_type');
            if (urlValidator && this.validatorTypes.includes(urlValidator)) {
                this.selectedValidator = urlValidator;
            } else {
                // Ensure 'all' is explicitly set as default
                this.selectedValidator = 'all';
            }

            await this.loadStats();

            // Check for any running scans on page load
            await this.checkRunningScans();
        },

        async checkRunningScans() {
            try {
                const runningScans = await apiClient.get('/admin/code-quality/scans/running');
                if (runningScans && runningScans.length > 0) {
                    this.scanning = true;
                    this.runningScans = runningScans.map(s => s.id);
                    this.updateProgressMessage(runningScans);
                    this.startPolling();
                }
            } catch (err) {
                codeQualityLog.error('Failed to check running scans:', err);
            }
        },

        updateProgressMessage(scans) {
            const runningScans = scans.filter(s => s.status === 'running' || s.status === 'pending');
            if (runningScans.length === 0) {
                this.scanProgress = null;
                return;
            }

            // Show progress from the first running scan
            const firstRunning = runningScans.find(s => s.status === 'running');
            if (firstRunning && firstRunning.progress_message) {
                this.scanProgress = firstRunning.progress_message;
            } else {
                const validatorNames = runningScans.map(s => this.capitalizeFirst(s.validator_type));
                this.scanProgress = `Running ${validatorNames.join(', ')} scan${runningScans.length > 1 ? 's' : ''}...`;
            }
        },

        async loadStats() {
            this.loading = true;
            this.error = null;

            try {
                // Build URL with validator_type filter if not 'all'
                let url = '/admin/code-quality/stats';
                if (this.selectedValidator !== 'all') {
                    url += `?validator_type=${this.selectedValidator}`;
                }

                const stats = await apiClient.get(url);
                this.stats = stats;
            } catch (err) {
                codeQualityLog.error('Failed to load stats:', err);
                this.error = err.message;

                // Redirect to login if unauthorized
                if (err.message.includes('Unauthorized')) {
                    window.location.href = '/admin/login';
                }
            } finally {
                this.loading = false;
            }
        },

        async selectValidator(validatorType) {
            if (this.selectedValidator !== validatorType) {
                this.selectedValidator = validatorType;
                await this.loadStats();

                // Update URL without reload
                const url = new URL(window.location);
                if (validatorType === 'all') {
                    url.searchParams.delete('validator_type');
                } else {
                    url.searchParams.set('validator_type', validatorType);
                }
                window.history.pushState({}, '', url);
            }
        },

        async runScan(validatorType = 'all') {
            this.scanning = true;
            this.error = null;
            this.successMessage = null;
            this.scanProgress = 'Queuing scan...';

            try {
                // Determine which validators to run
                const validatorTypesToRun = validatorType === 'all'
                    ? this.validatorTypes
                    : [validatorType];

                const result = await apiClient.post('/admin/code-quality/scan', {
                    validator_types: validatorTypesToRun
                });

                // Store running scan IDs for polling
                this.runningScans = result.scans.map(s => s.id);

                // Show initial status message
                const validatorNames = validatorTypesToRun.map(v => this.capitalizeFirst(v));
                this.scanProgress = `Running ${validatorNames.join(', ')} scan${validatorNames.length > 1 ? 's' : ''}...`;

                // Start polling for completion
                this.startPolling();

            } catch (err) {
                codeQualityLog.error('Failed to run scan:', err);
                this.error = err.message;
                this.scanning = false;
                this.scanProgress = null;

                // Redirect to login if unauthorized
                if (err.message.includes('Unauthorized')) {
                    window.location.href = '/admin/login';
                }
            }
        },

        startPolling() {
            // Clear any existing polling
            if (this.pollInterval) {
                clearInterval(this.pollInterval);
            }

            // Poll every 3 seconds
            this.pollInterval = setInterval(async () => {
                await this.pollScanStatus();
            }, 3000);
        },

        stopPolling() {
            if (this.pollInterval) {
                clearInterval(this.pollInterval);
                this.pollInterval = null;
            }
        },

        async pollScanStatus() {
            if (this.runningScans.length === 0) {
                this.stopPolling();
                this.scanning = false;
                this.scanProgress = null;
                return;
            }

            try {
                const runningScans = await apiClient.get('/admin/code-quality/scans/running');

                // Update progress message from running scans
                this.updateProgressMessage(runningScans);

                // Check if our scans have completed
                const stillRunning = this.runningScans.filter(id =>
                    runningScans.some(s => s.id === id)
                );

                if (stillRunning.length === 0) {
                    // All scans completed - get final results
                    await this.handleScanCompletion();
                } else {
                    // Update running scans list
                    this.runningScans = stillRunning;
                }
            } catch (err) {
                codeQualityLog.error('Failed to poll scan status:', err);
            }
        },

        async handleScanCompletion() {
            this.stopPolling();

            // Get results for all completed scans
            let totalViolations = 0;
            let totalErrors = 0;
            let totalWarnings = 0;
            const completedScans = [];

            for (const scanId of this.runningScans) {
                try {
                    const scan = await apiClient.get(`/admin/code-quality/scans/${scanId}/status`);
                    completedScans.push(scan);
                    totalViolations += scan.total_violations || 0;
                    totalErrors += scan.errors || 0;
                    totalWarnings += scan.warnings || 0;
                } catch (err) {
                    codeQualityLog.error(`Failed to get scan ${scanId} results:`, err);
                }
            }

            // Format success message based on number of validators run
            if (completedScans.length > 1) {
                this.successMessage = `Scan completed: ${totalViolations} total violations found (${totalErrors} errors, ${totalWarnings} warnings) across ${completedScans.length} validators`;
            } else if (completedScans.length === 1) {
                const scan = completedScans[0];
                this.successMessage = `${this.capitalizeFirst(scan.validator_type)} scan completed: ${scan.total_violations} violations found (${scan.errors} errors, ${scan.warnings} warnings)`;
            } else {
                this.successMessage = 'Scan completed';
            }

            // Reload stats after scan
            await this.loadStats();

            // Reset scanning state
            this.scanning = false;
            this.scanProgress = null;
            this.runningScans = [];

            // Clear success message after 5 seconds
            setTimeout(() => {
                this.successMessage = null;
            }, 5000);
        },

        async refresh() {
            await this.loadStats();
        },

        capitalizeFirst(str) {
            return str.charAt(0).toUpperCase() + str.slice(1);
        }
    };
}