package app

import (
    "fmt"
    "github.com/seaweedfs/seaweedfs/weed/admin/maintenance"
)

templ MaintenanceConfig(data *maintenance.MaintenanceConfigData) {
    <div class="container-fluid">
        <div class="row mb-4">
            <div class="col-12">
                <div class="d-flex justify-content-between align-items-center">
                    <h2 class="mb-0">
                        <i class="fas fa-cog me-2"></i>
                        Maintenance Configuration
                    </h2>
                    <div class="btn-group">
                        <a href="/maintenance" class="btn btn-outline-secondary">
                            <i class="fas fa-arrow-left me-1"></i>
                            Back to Queue
                        </a>
                    </div>
                </div>
            </div>
        </div>

        <div class="row">
            <div class="col-12">
                <div class="card">
                    <div class="card-header">
                        <h5 class="mb-0">System Settings</h5>
                    </div>
                    <div class="card-body">
                        <form>
                            <div class="mb-3">
                                <div class="form-check form-switch">
                                    <input class="form-check-input" type="checkbox" id="enabled" checked?={data.IsEnabled}>
                                    <label class="form-check-label" for="enabled">
                                        <strong>Enable Maintenance System</strong>
                                    </label>
                                </div>
                                <small class="form-text text-muted">
                                    When enabled, the system will automatically scan for and execute maintenance tasks.
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="scanInterval" class="form-label">Scan Interval (minutes)</label>
                                <input type="number" class="form-control" id="scanInterval" 
                                       value={fmt.Sprintf("%.0f", float64(data.Config.ScanIntervalSeconds)/60)} 
                                       placeholder="30 (default)" min="1" max="1440">
                                <small class="form-text text-muted">
                                    How often to scan for maintenance tasks (1-1440 minutes). <strong>Default: 30 minutes</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="workerTimeout" class="form-label">Worker Timeout (minutes)</label>
                                <input type="number" class="form-control" id="workerTimeout" 
                                       value={fmt.Sprintf("%.0f", float64(data.Config.WorkerTimeoutSeconds)/60)} 
                                       placeholder="5 (default)" min="1" max="60">
                                <small class="form-text text-muted">
                                    How long to wait for worker heartbeat before considering it inactive (1-60 minutes). <strong>Default: 5 minutes</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="taskTimeout" class="form-label">Task Timeout (hours)</label>
                                <input type="number" class="form-control" id="taskTimeout" 
                                       value={fmt.Sprintf("%.0f", float64(data.Config.TaskTimeoutSeconds)/3600)} 
                                       placeholder="2 (default)" min="1" max="24">
                                <small class="form-text text-muted">
                                    Maximum time allowed for a single task to complete (1-24 hours). <strong>Default: 2 hours</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="globalMaxConcurrent" class="form-label">Global Concurrent Limit</label>
                                <input type="number" class="form-control" id="globalMaxConcurrent" 
                                       value={fmt.Sprintf("%d", data.Config.Policy.GlobalMaxConcurrent)} 
                                       placeholder="4 (default)" min="1" max="20">
                                <small class="form-text text-muted">
                                    Maximum number of maintenance tasks that can run simultaneously across all workers (1-20). <strong>Default: 4</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="maxRetries" class="form-label">Default Max Retries</label>
                                <input type="number" class="form-control" id="maxRetries" 
                                       value={fmt.Sprintf("%d", data.Config.MaxRetries)} 
                                       placeholder="3 (default)" min="0" max="10">
                                <small class="form-text text-muted">
                                    Default number of times to retry failed tasks (0-10). <strong>Default: 3</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="retryDelay" class="form-label">Retry Delay (minutes)</label>
                                <input type="number" class="form-control" id="retryDelay" 
                                       value={fmt.Sprintf("%.0f", float64(data.Config.RetryDelaySeconds)/60)} 
                                       placeholder="15 (default)" min="1" max="120">
                                <small class="form-text text-muted">
                                    Time to wait before retrying failed tasks (1-120 minutes). <strong>Default: 15 minutes</strong>
                                </small>
                            </div>

                            <div class="mb-3">
                                <label for="taskRetention" class="form-label">Task Retention (days)</label>
                                <input type="number" class="form-control" id="taskRetention" 
                                       value={fmt.Sprintf("%.0f", float64(data.Config.TaskRetentionSeconds)/(24*3600))} 
                                       placeholder="7 (default)" min="1" max="30">
                                <small class="form-text text-muted">
                                    How long to keep completed/failed task records (1-30 days). <strong>Default: 7 days</strong>
                                </small>
                            </div>

                            <div class="d-flex gap-2">
                                <button type="button" class="btn btn-primary" onclick="saveConfiguration()">
                                    <i class="fas fa-save me-1"></i>
                                    Save Configuration
                                </button>
                                <button type="button" class="btn btn-secondary" onclick="resetToDefaults()">
                                    <i class="fas fa-undo me-1"></i>
                                    Reset to Defaults
                                </button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

        <!-- Individual Task Configuration Menu -->
        <div class="row mt-4">
            <div class="col-12">
                <div class="card">
                    <div class="card-header">
                        <h5 class="mb-0">
                            <i class="fas fa-cogs me-2"></i>
                            Task Configuration
                        </h5>
                    </div>
                    <div class="card-body">
                        <p class="text-muted mb-3">Configure specific settings for each maintenance task type.</p>
                        <div class="list-group">
                            for _, menuItem := range data.MenuItems {
                                <a href={templ.SafeURL(menuItem.Path)} class="list-group-item list-group-item-action">
                                    <div class="d-flex w-100 justify-content-between">
                                        <h6 class="mb-1">
                                            <i class={menuItem.Icon + " me-2"}></i>
                                            {menuItem.DisplayName}
                                        </h6>
                                        if menuItem.IsEnabled {
                                            <span class="badge bg-success">Enabled</span>
                                        } else {
                                            <span class="badge bg-secondary">Disabled</span>
                                        }
                                    </div>
                                    <p class="mb-1 small text-muted">{menuItem.Description}</p>
                                </a>
                            }
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Statistics Overview -->
        <div class="row mt-4">
            <div class="col-12">
                <div class="card">
                    <div class="card-header">
                        <h5 class="mb-0">System Statistics</h5>
                    </div>
                    <div class="card-body">
                        <div class="row">
                            <div class="col-md-3">
                                <div class="text-center">
                                    <h6 class="text-muted">Last Scan</h6>
                                    <p class="mb-0">{data.LastScanTime.Format("2006-01-02 15:04:05")}</p>
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="text-center">
                                    <h6 class="text-muted">Next Scan</h6>
                                    <p class="mb-0">{data.NextScanTime.Format("2006-01-02 15:04:05")}</p>
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="text-center">
                                    <h6 class="text-muted">Total Tasks</h6>
                                    <p class="mb-0">{fmt.Sprintf("%d", data.SystemStats.TotalTasks)}</p>
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="text-center">
                                    <h6 class="text-muted">Active Workers</h6>
                                    <p class="mb-0">{fmt.Sprintf("%d", data.SystemStats.ActiveWorkers)}</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        function saveConfiguration() {
            // First, get current configuration to preserve existing values
            fetch('/api/maintenance/config')
                .then(response => response.json())
                .then(currentConfig => {
                    // Update only the fields from the form
                    const updatedConfig = {
                        ...currentConfig.config, // Preserve existing config
                        enabled: document.getElementById('enabled').checked,
                        scan_interval_seconds: parseInt(document.getElementById('scanInterval').value) * 60, // Convert to seconds
                        worker_timeout_seconds: parseInt(document.getElementById('workerTimeout').value) * 60, // Convert to seconds
                        task_timeout_seconds: parseInt(document.getElementById('taskTimeout').value) * 3600, // Convert to seconds
                        retry_delay_seconds: parseInt(document.getElementById('retryDelay').value) * 60, // Convert to seconds
                        max_retries: parseInt(document.getElementById('maxRetries').value),
                        task_retention_seconds: parseInt(document.getElementById('taskRetention').value) * 24 * 3600, // Convert to seconds
                        policy: {
                            ...currentConfig.config.policy, // Preserve existing policy
                            global_max_concurrent: parseInt(document.getElementById('globalMaxConcurrent').value)
                        }
                    };

                    // Send the updated configuration
                    return fetch('/api/maintenance/config', {
                        method: 'PUT',
                        headers: {
                            'Content-Type': 'application/json',
                        },
                        body: JSON.stringify(updatedConfig)
                    });
                })
                .then(response => response.json())
                .then(data => {
                    if (data.success) {
                        alert('Configuration saved successfully');
                        location.reload(); // Reload to show updated values
                    } else {
                        alert('Failed to save configuration: ' + (data.error || 'Unknown error'));
                    }
                })
                .catch(error => {
                    alert('Error: ' + error.message);
                });
        }

        function resetToDefaults() {
            if (confirm('Are you sure you want to reset to default configuration? This will overwrite your current settings.')) {
                // Reset form to defaults (matching DefaultMaintenanceConfig values)
                document.getElementById('enabled').checked = false;
                document.getElementById('scanInterval').value = '30';
                document.getElementById('workerTimeout').value = '5';
                document.getElementById('taskTimeout').value = '2';
                document.getElementById('globalMaxConcurrent').value = '4';
                document.getElementById('maxRetries').value = '3';
                document.getElementById('retryDelay').value = '15';
                document.getElementById('taskRetention').value = '7';
            }
        }
    </script>
}