// static/admin/js/logs.js

const logsLog = window.LogConfig?.loggers?.logs || console;

function adminLogs() {
    // Get base data
    const baseData = typeof data === 'function' ? data() : {};

    return {
        // Inherit base layout functionality from init-alpine.js
        ...baseData,

        // Logs-specific state
        currentPage: 'logs',
        loading: true,
        error: null,
        successMessage: null,
        logSource: 'database',
        logs: [],
        totalLogs: 0,
        stats: {
            total_count: 0,
            warning_count: 0,
            error_count: 0,
            critical_count: 0
        },
        selectedLog: null,
        filters: {
            level: '',
            module: '',
            search: '',
            skip: 0,
            limit: 50
        },
        logFiles: [],
        selectedFile: '',
        fileContent: null,

        async init() {
            logsLog.info('=== LOGS PAGE INITIALIZING ===');
            await this.loadStats();
            await this.loadLogs();
        },

        async refresh() {
            this.error = null;
            this.successMessage = null;
            await this.loadStats();
            if (this.logSource === 'database') {
                await this.loadLogs();
            } else {
                await this.loadFileLogs();
            }
        },

        async loadStats() {
            try {
                const data = await apiClient.get('/admin/logs/statistics?days=7');
                this.stats = data;
                logsLog.info('Log statistics loaded:', this.stats);
            } catch (error) {
                logsLog.error('Failed to load log statistics:', error);
            }
        },

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

            try {
                const params = new URLSearchParams();
                if (this.filters.level) params.append('level', this.filters.level);
                if (this.filters.module) params.append('module', this.filters.module);
                if (this.filters.search) params.append('search', this.filters.search);
                params.append('skip', this.filters.skip);
                params.append('limit', this.filters.limit);

                const data = await apiClient.get(`/admin/logs/database?${params}`);
                this.logs = data.logs;
                this.totalLogs = data.total;
                logsLog.info(`Loaded ${this.logs.length} logs (total: ${this.totalLogs})`);
            } catch (error) {
                logsLog.error('Failed to load logs:', error);
                this.error = error.response?.data?.detail || 'Failed to load logs';
            } finally {
                this.loading = false;
            }
        },

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

            try {
                const data = await apiClient.get('/admin/logs/files');
                this.logFiles = data.files;

                if (this.logFiles.length > 0 && !this.selectedFile) {
                    this.selectedFile = this.logFiles[0].filename;
                    await this.loadFileContent();
                }
                logsLog.info(`Loaded ${this.logFiles.length} log files`);
            } catch (error) {
                logsLog.error('Failed to load log files:', error);
                this.error = error.response?.data?.detail || 'Failed to load log files';
            } finally {
                this.loading = false;
            }
        },

        async loadFileContent() {
            if (!this.selectedFile) return;

            this.loading = true;
            this.error = null;

            try {
                const data = await apiClient.get(`/admin/logs/files/${this.selectedFile}?lines=500`);
                this.fileContent = data;
                logsLog.info(`Loaded file content for ${this.selectedFile}`);
            } catch (error) {
                logsLog.error('Failed to load file content:', error);
                this.error = error.response?.data?.detail || 'Failed to load file content';
            } finally {
                this.loading = false;
            }
        },

        async downloadLogFile() {
            if (!this.selectedFile) return;

            try {
                const token = localStorage.getItem('admin_token');
                // Note: window.open bypasses apiClient, so we need the full path
                window.open(`/api/v1/admin/logs/files/${this.selectedFile}/download?token=${token}`, '_blank');
            } catch (error) {
                logsLog.error('Failed to download log file:', error);
                this.error = 'Failed to download log file';
            }
        },

        resetFilters() {
            this.filters = {
                level: '',
                module: '',
                search: '',
                skip: 0,
                limit: 50
            };
            this.loadLogs();
        },

        nextPage() {
            this.filters.skip += this.filters.limit;
            this.loadLogs();
        },

        previousPage() {
            this.filters.skip = Math.max(0, this.filters.skip - this.filters.limit);
            this.loadLogs();
        },

        showLogDetail(log) {
            this.selectedLog = log;
        },

        formatTimestamp(timestamp) {
            return new Date(timestamp).toLocaleString();
        }
    };
}

logsLog.info('Logs module loaded');