Get Channel Whitelist

// Create a whitelist management dashboard
class WhitelistDashboard {
    constructor(channelId, channelType) {
        this.channelId = channelId;
        this.channelType = channelType;
        this.whitelistMembers = [];
    }
    
    async loadWhitelist() {
        try {
            const response = await fetch(
                `/channel/whitelist?channel_id=${this.channelId}&channel_type=${this.channelType}`
            );
            this.whitelistMembers = await response.json();
            
            await this.enrichMemberData();
            this.renderDashboard();
        } catch (error) {
            console.error('Failed to load whitelist:', error);
            this.showError('Failed to load whitelist members');
        }
    }
    
    async enrichMemberData() {
        // Get additional user information for each whitelisted member
        const enrichedMembers = [];
        
        for (const userId of this.whitelistMembers) {
            try {
                const userInfo = await getUserInfo(userId);
                enrichedMembers.push({
                    userId: userId,
                    username: userInfo.username || userId,
                    avatar: userInfo.avatar,
                    joinedWhitelistAt: userInfo.whitelistJoinDate,
                    privileges: await this.getUserPrivileges(userId)
                });
            } catch (error) {
                // Fallback for users we can't get info for
                enrichedMembers.push({
                    userId: userId,
                    username: userId,
                    avatar: null,
                    joinedWhitelistAt: null,
                    privileges: ['basic_whitelist']
                });
            }
        }
        
        this.enrichedMembers = enrichedMembers;
    }
    
    async getUserPrivileges(userId) {
        // Get specific privileges for this user
        const privileges = [];
        
        // Check if user has moderator privileges
        const isModerator = await checkModeratorStatus(this.channelId, userId);
        if (isModerator) {
            privileges.push('moderator');
        }
        
        // Check for VIP status
        const isVIP = await checkVIPStatus(this.channelId, userId);
        if (isVIP) {
            privileges.push('vip');
        }
        
        // Default whitelist privileges
        privileges.push('bypass_mute', 'priority_access');
        
        return privileges;
    }
    
    renderDashboard() {
        const dashboardHTML = `
            <div class="whitelist-dashboard">
                <div class="header">
                    <h2>Channel Whitelist (${this.enrichedMembers.length} members)</h2>
                    <button onclick="dashboard.addMember()">Add Member</button>
                    <button onclick="dashboard.refresh()">Refresh</button>
                </div>
                
                <div class="member-list">
                    ${this.renderMemberList()}
                </div>
                
                <div class="actions">
                    <button onclick="dashboard.exportWhitelist()">Export List</button>
                    <button onclick="dashboard.bulkManage()">Bulk Manage</button>
                </div>
            </div>
        `;
        
        document.getElementById('whitelist-dashboard').innerHTML = dashboardHTML;
    }
    
    renderMemberList() {
        return this.enrichedMembers.map(member => `
            <div class="member-item" data-user-id="${member.userId}">
                <div class="member-info">
                    <img src="${member.avatar || '/default-avatar.png'}" alt="Avatar" class="avatar">
                    <div class="details">
                        <div class="username">${member.username}</div>
                        <div class="user-id">${member.userId}</div>
                        <div class="privileges">${member.privileges.join(', ')}</div>
                    </div>
                </div>
                <div class="member-actions">
                    <button onclick="dashboard.viewMember('${member.userId}')">View</button>
                    <button onclick="dashboard.removeMember('${member.userId}')">Remove</button>
                </div>
            </div>
        `).join('');
    }
    
    async addMember() {
        const userId = prompt('Enter user ID to add to whitelist:');
        if (userId) {
            try {
                await addToWhitelist({
                    channel_id: this.channelId,
                    channel_type: this.channelType,
                    uids: [userId]
                });
                
                await this.loadWhitelist(); // Refresh the list
                this.showSuccess(`User ${userId} added to whitelist`);
            } catch (error) {
                this.showError(`Failed to add user ${userId} to whitelist`);
            }
        }
    }
    
    async removeMember(userId) {
        if (confirm(`Remove ${userId} from whitelist?`)) {
            try {
                await removeFromWhitelist({
                    channel_id: this.channelId,
                    channel_type: this.channelType,
                    uids: [userId]
                });
                
                await this.loadWhitelist(); // Refresh the list
                this.showSuccess(`User ${userId} removed from whitelist`);
            } catch (error) {
                this.showError(`Failed to remove user ${userId} from whitelist`);
            }
        }
    }
    
    async refresh() {
        await this.loadWhitelist();
        this.showSuccess('Whitelist refreshed');
    }
    
    exportWhitelist() {
        const exportData = {
            channel_id: this.channelId,
            channel_type: this.channelType,
            whitelist_members: this.enrichedMembers,
            exported_at: new Date().toISOString(),
            total_members: this.enrichedMembers.length
        };
        
        const blob = new Blob([JSON.stringify(exportData, null, 2)], { type: 'application/json' });
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = `whitelist-${this.channelId}-${Date.now()}.json`;
        a.click();
        URL.revokeObjectURL(url);
    }
    
    showSuccess(message) {
        console.log(`✓ ${message}`);
        // Implement UI notification
    }
    
    showError(message) {
        console.error(`✗ ${message}`);
        // Implement UI error notification
    }
}

// Usage
const dashboard = new WhitelistDashboard('group123', 2);
dashboard.loadWhitelist();

// Comprehensive permission checking system
class PermissionChecker {
    constructor() {
        this.whitelistCache = new Map();
        this.cacheTimeout = 5 * 60 * 1000; // 5 minutes
    }
    
    async isUserWhitelisted(channelId, channelType, userId) {
        try {
            const cacheKey = `${channelId}:${channelType}`;
            const cached = this.whitelistCache.get(cacheKey);
            
            // Check cache first
            if (cached && Date.now() - cached.timestamp < this.cacheTimeout) {
                return cached.whitelist.includes(userId);
            }
            
            // Fetch fresh whitelist
            const whitelist = await this.getChannelWhitelist(channelId, channelType);
            
            // Update cache
            this.whitelistCache.set(cacheKey, {
                whitelist: whitelist,
                timestamp: Date.now()
            });
            
            return whitelist.includes(userId);
        } catch (error) {
            console.error('Failed to check whitelist status:', error);
            return false;
        }
    }
    
    async getChannelWhitelist(channelId, channelType) {
        const response = await fetch(
            `/channel/whitelist?channel_id=${channelId}&channel_type=${channelType}`
        );
        return await response.json();
    }
    
    async checkUserPermissions(channelId, channelType, userId) {
        const [isWhitelisted, isBlacklisted, isModerator] = await Promise.all([
            this.isUserWhitelisted(channelId, channelType, userId),
            this.isUserBlacklisted(channelId, channelType, userId),
            this.isUserModerator(channelId, userId)
        ]);
        
        return {
            userId: userId,
            isWhitelisted: isWhitelisted,
            isBlacklisted: isBlacklisted,
            isModerator: isModerator,
            effectivePermissions: this.calculateEffectivePermissions({
                isWhitelisted,
                isBlacklisted,
                isModerator
            })
        };
    }
    
    calculateEffectivePermissions({ isWhitelisted, isBlacklisted, isModerator }) {
        if (isBlacklisted && !isModerator) {
            return {
                canSendMessage: false,
                canJoinChannel: false,
                canBypassMute: false,
                level: 'restricted'
            };
        }
        
        if (isWhitelisted || isModerator) {
            return {
                canSendMessage: true,
                canJoinChannel: true,
                canBypassMute: true,
                priorityAccess: true,
                level: isModerator ? 'moderator' : 'privileged'
            };
        }
        
        return {
            canSendMessage: true,
            canJoinChannel: true,
            canBypassMute: false,
            level: 'regular'
        };
    }
    
    async isUserBlacklisted(channelId, channelType, userId) {
        // Implementation for blacklist checking
        try {
            const blacklist = await getChannelBlacklist(channelId, channelType);
            return blacklist.includes(userId);
        } catch (error) {
            return false;
        }
    }
    
    async isUserModerator(channelId, userId) {
        // Implementation for moderator checking
        try {
            const moderators = await getChannelModerators(channelId);
            return moderators.includes(userId);
        } catch (error) {
            return false;
        }
    }
    
    clearCache() {
        this.whitelistCache.clear();
    }
    
    clearChannelCache(channelId, channelType) {
        const cacheKey = `${channelId}:${channelType}`;
        this.whitelistCache.delete(cacheKey);
    }
}

// Usage
const permissionChecker = new PermissionChecker();

// Check if user is whitelisted
const isWhitelisted = await permissionChecker.isUserWhitelisted('group123', 2, 'user456');
console.log('User whitelisted:', isWhitelisted);

// Get comprehensive permissions
const permissions = await permissionChecker.checkUserPermissions('group123', 2, 'user456');
console.log('User permissions:', permissions);

// Whitelist analytics and reporting
class WhitelistAnalytics {
    constructor() {
        this.analyticsData = new Map();
    }
    
    async analyzeChannelWhitelist(channelId, channelType) {
        try {
            const whitelist = await this.getChannelWhitelist(channelId, channelType);
            
            const analysis = {
                channelId: channelId,
                channelType: channelType,
                totalMembers: whitelist.length,
                memberDetails: await this.analyzeMemberDetails(whitelist),
                activityAnalysis: await this.analyzeActivity(channelId, whitelist),
                privilegeDistribution: await this.analyzePrivileges(channelId, whitelist),
                trends: await this.analyzeTrends(channelId, channelType),
                recommendations: []
            };
            
            // Generate recommendations
            analysis.recommendations = this.generateRecommendations(analysis);
            
            this.analyticsData.set(`${channelId}:${channelType}`, analysis);
            
            return analysis;
        } catch (error) {
            console.error('Failed to analyze whitelist:', error);
            return null;
        }
    }
    
    async getChannelWhitelist(channelId, channelType) {
        const response = await fetch(
            `/channel/whitelist?channel_id=${channelId}&channel_type=${channelType}`
        );
        return await response.json();
    }
    
    async analyzeMemberDetails(whitelist) {
        const memberDetails = {
            activeMembers: 0,
            inactiveMembers: 0,
            newMembers: 0, // Added in last 30 days
            longTermMembers: 0, // More than 6 months
            memberTypes: {
                moderators: 0,
                vips: 0,
                regular: 0
            }
        };
        
        for (const userId of whitelist) {
            const userInfo = await getUserInfo(userId);
            const lastActivity = await getLastActivity(userId);
            
            // Activity analysis
            const daysSinceActivity = (Date.now() - lastActivity) / (1000 * 60 * 60 * 24);
            if (daysSinceActivity <= 7) {
                memberDetails.activeMembers++;
            } else {
                memberDetails.inactiveMembers++;
            }
            
            // Membership duration
            const membershipDuration = Date.now() - userInfo.whitelistJoinDate;
            const daysMember = membershipDuration / (1000 * 60 * 60 * 24);
            
            if (daysMember <= 30) {
                memberDetails.newMembers++;
            } else if (daysMember >= 180) {
                memberDetails.longTermMembers++;
            }
            
            // Member type
            if (userInfo.isModerator) {
                memberDetails.memberTypes.moderators++;
            } else if (userInfo.isVIP) {
                memberDetails.memberTypes.vips++;
            } else {
                memberDetails.memberTypes.regular++;
            }
        }
        
        return memberDetails;
    }
    
    async analyzeActivity(channelId, whitelist) {
        const activityData = {
            messagesSent: 0,
            averageMessagesPerMember: 0,
            mostActiveMembers: [],
            leastActiveMembers: []
        };
        
        const memberActivity = [];
        
        for (const userId of whitelist) {
            const messageCount = await getUserMessageCount(channelId, userId, 30); // Last 30 days
            memberActivity.push({ userId, messageCount });
            activityData.messagesSent += messageCount;
        }
        
        activityData.averageMessagesPerMember = activityData.messagesSent / whitelist.length;
        
        // Sort by activity
        memberActivity.sort((a, b) => b.messageCount - a.messageCount);
        
        activityData.mostActiveMembers = memberActivity.slice(0, 5);
        activityData.leastActiveMembers = memberActivity.slice(-5);
        
        return activityData;
    }
    
    async analyzePrivileges(channelId, whitelist) {
        const privilegeData = {
            bypassMute: 0,
            priorityAccess: 0,
            rateExempt: 0,
            customPrivileges: {}
        };
        
        for (const userId of whitelist) {
            const privileges = await getUserPrivileges(channelId, userId);
            
            if (privileges.includes('bypass_mute')) privilegeData.bypassMute++;
            if (privileges.includes('priority_access')) privilegeData.priorityAccess++;
            if (privileges.includes('rate_exempt')) privilegeData.rateExempt++;
            
            // Count custom privileges
            privileges.forEach(privilege => {
                if (!['bypass_mute', 'priority_access', 'rate_exempt'].includes(privilege)) {
                    privilegeData.customPrivileges[privilege] = 
                        (privilegeData.customPrivileges[privilege] || 0) + 1;
                }
            });
        }
        
        return privilegeData;
    }
    
    async analyzeTrends(channelId, channelType) {
        // Analyze whitelist growth/shrinkage trends
        const trends = {
            growthRate: 0,
            additionRate: 0,
            removalRate: 0,
            seasonality: {}
        };
        
        // Implementation would analyze historical data
        // This is a simplified version
        
        return trends;
    }
    
    generateRecommendations(analysis) {
        const recommendations = [];
        
        // Inactive member recommendation
        if (analysis.memberDetails.inactiveMembers > analysis.memberDetails.activeMembers) {
            recommendations.push({
                type: 'cleanup',
                priority: 'medium',
                message: 'Consider reviewing inactive whitelist members for removal'
            });
        }
        
        // Privilege distribution recommendation
        if (analysis.privilegeDistribution.bypassMute === analysis.totalMembers) {
            recommendations.push({
                type: 'privilege_review',
                priority: 'low',
                message: 'All whitelist members have bypass_mute privilege - consider if this is necessary'
            });
        }
        
        // Growth recommendation
        if (analysis.memberDetails.newMembers > analysis.totalMembers * 0.5) {
            recommendations.push({
                type: 'monitoring',
                priority: 'high',
                message: 'High rate of new whitelist additions - monitor for abuse'
            });
        }
        
        return recommendations;
    }
    
    generateReport(channelId, channelType) {
        const analysis = this.analyticsData.get(`${channelId}:${channelType}`);
        if (!analysis) return null;
        
        return {
            summary: {
                channel: `${channelId} (Type: ${channelType})`,
                totalMembers: analysis.totalMembers,
                activeMembers: analysis.memberDetails.activeMembers,
                recommendations: analysis.recommendations.length
            },
            details: analysis,
            generatedAt: new Date().toISOString()
        };
    }
}

// Usage
const analytics = new WhitelistAnalytics();

// Analyze channel whitelist
const analysis = await analytics.analyzeChannelWhitelist('group123', 2);
console.log('Whitelist analysis:', analysis);

// Generate report
const report = analytics.generateReport('group123', 2);
console.log('Analytics report:', report);