/**
 * DashboardTemplate - Master template for module dashboard pages
 * 
 * Usage:
 * <DashboardTemplate
 *   title="Planner Dashboard"
 *   subtitle="Manage your content planning workflow"
 *   kpiCards={kpiConfig}
 *   workflowSteps={workflowConfig}
 *   charts={chartsConfig}
 *   recentActivity={activityConfig}
 * />
 */

import React, { ReactNode } from 'react';

interface KPICard {
  title: string;
  value: string | number;
  description?: string;
  icon?: ReactNode;
  trend?: {
    value: number;
    isPositive: boolean;
  };
}

interface WorkflowStep {
  step: number;
  title: string;
  status: 'completed' | 'pending' | 'in_progress';
  description?: string;
  count?: number;
  actionLabel?: string;
  onAction?: () => void;
}

interface ChartConfig {
  title: string;
  type: 'bar' | 'line' | 'pie' | 'progress';
  data: any;
}

interface DashboardTemplateProps {
  title: string;
  subtitle?: string;
  kpiCards?: KPICard[];
  workflowSteps?: WorkflowStep[];
  charts?: ChartConfig[];
  recentActivity?: ReactNode;
  quickActions?: ReactNode;
  className?: string;
}

export default function DashboardTemplate({
  title,
  subtitle,
  kpiCards = [],
  workflowSteps = [],
  charts = [],
  recentActivity,
  quickActions,
  className = '',
}: DashboardTemplateProps) {
  return (
    <div className={className}>
      {/* Page Header */}
      <div className="mb-6">
        <h2 className="text-xl font-semibold text-gray-800 dark:text-white/90 mb-1">{title}</h2>
        {subtitle && (
          <p className="text-sm text-gray-500 dark:text-gray-400">{subtitle}</p>
        )}
      </div>

      {/* KPI Cards Row */}
      {kpiCards.length > 0 && (
        <div className="grid grid-cols-1 gap-5 sm:grid-cols-2 lg:grid-cols-4 mb-6">
          {kpiCards.map((card, index) => (
            <div
              key={index}
              className="rounded-xl border border-gray-200 bg-white p-5 dark:border-gray-800 dark:bg-white/[0.03] sm:p-6"
            >
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-sm font-medium text-gray-500 dark:text-gray-400 mb-1">
                    {card.title}
                  </p>
                  <p className="text-2xl font-semibold text-gray-800 dark:text-white/90">
                    {card.value}
                  </p>
                  {card.trend && (
                    <div className="flex items-center mt-1">
                      <span
                        className={`text-xs font-medium ${
                          card.trend.isPositive ? 'text-success-500' : 'text-error-500'
                        }`}
                      >
                        {card.trend.isPositive ? '↑' : '↓'} {Math.abs(card.trend.value)}%
                      </span>
                    </div>
                  )}
                </div>
                {card.icon && (
                  <div className="flex h-14 w-14 items-center justify-center rounded-[10.5px] bg-brand-50 text-brand-500 dark:bg-brand-500/10">
                    {card.icon}
                  </div>
                )}
              </div>
              {card.description && (
                <p className="text-sm text-gray-500 dark:text-gray-400 mt-2">
                  {card.description}
                </p>
              )}
            </div>
          ))}
        </div>
      )}

      {/* Quick Actions */}
      {quickActions && (
        <div className="mb-6">
          {quickActions}
        </div>
      )}

      {/* Workflow Steps */}
      {workflowSteps.length > 0 && (
        <div className="mb-6">
          <div className="rounded-2xl border border-gray-200 bg-white dark:border-gray-800 dark:bg-white/[0.03] p-6">
            <h3 className="text-base font-medium text-gray-800 dark:text-white/90 mb-4">
              Workflow Steps - Track your planning progress
            </h3>
            <div className="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-4">
              {workflowSteps.map((step) => (
                <div
                  key={step.step}
                  className="rounded-lg border border-gray-200 bg-gray-50 p-4 dark:border-gray-800 dark:bg-white/[0.03]"
                >
                  <div className="flex items-center justify-between mb-2">
                    <span className="text-sm font-medium text-gray-500 dark:text-gray-400">
                      {step.step}. {step.title}
                    </span>
                    <span
                      className={`text-xs font-medium px-2 py-1 rounded ${
                        step.status === 'completed'
                          ? 'bg-success-50 text-success-600 dark:bg-success-500/15 dark:text-success-500'
                          : step.status === 'in_progress'
                          ? 'bg-warning-50 text-warning-600 dark:bg-warning-500/15 dark:text-warning-500'
                          : 'bg-gray-100 text-gray-600 dark:bg-white/5 dark:text-gray-400'
                      }`}
                    >
                      {step.status === 'completed' ? 'Completed' : step.status === 'in_progress' ? 'In Progress' : 'Pending'}
                    </span>
                  </div>
                  {step.description && (
                    <p className="text-xs text-gray-500 dark:text-gray-400 mb-2">
                      {step.description}
                    </p>
                  )}
                  {step.count !== undefined && (
                    <p className="text-sm font-medium text-gray-800 dark:text-white/90 mb-2">
                      {step.count} items
                    </p>
                  )}
                  {step.actionLabel && step.onAction && step.status !== 'completed' && (
                    <button
                      onClick={step.onAction}
                      className="text-sm text-brand-500 hover:text-brand-600 font-medium"
                    >
                      {step.actionLabel} →
                    </button>
                  )}
                </div>
              ))}
            </div>
          </div>
        </div>
      )}

      {/* Charts Row */}
      {charts.length > 0 && (
        <div className="grid grid-cols-1 gap-6 lg:grid-cols-2 mb-6">
          {charts.map((chart, index) => (
            <div
              key={index}
              className="rounded-2xl border border-gray-200 bg-white dark:border-gray-800 dark:bg-white/[0.03] p-6"
            >
              <h3 className="text-base font-medium text-gray-800 dark:text-white/90 mb-4">
                {chart.title}
              </h3>
              {/* Chart component would be rendered here */}
              <div className="h-64 flex items-center justify-center text-gray-400">
                Chart: {chart.type}
              </div>
            </div>
          ))}
        </div>
      )}

      {/* Recent Activity */}
      {recentActivity && (
        <div className="rounded-2xl border border-gray-200 bg-white dark:border-gray-800 dark:bg-white/[0.03] p-6">
          <h3 className="text-base font-medium text-gray-800 dark:text-white/90 mb-4">
            Recent Activity
          </h3>
          {recentActivity}
        </div>
      )}
    </div>
  );
}