/**
 * Dashboard API Route
 * GET /api/dashboard
 * @author Descomplicar® | @link descomplicar.pt | @copyright 2026
 */
import { Router } from 'express'
import type { Request, Response } from 'express'
import * as dashboardService from '../services/dashboard.js'
import * as calendarService from '../services/calendar.js'

const router = Router()

router.get('/', async (req: Request, res: Response) => {
  try {
    // Date info
    const now = new Date()
    const diasSemana = ['Domingo', 'Segunda-feira', 'Terça-feira', 'Quarta-feira', 'Quinta-feira', 'Sexta-feira', 'Sábado']
    const meses = ['', 'Janeiro', 'Fevereiro', 'Março', 'Abril', 'Maio', 'Junho', 'Julho', 'Agosto', 'Setembro', 'Outubro', 'Novembro', 'Dezembro']

    const data_formatada = `${diasSemana[now.getDay()]}, ${now.getDate()} de ${meses[now.getMonth() + 1]} de ${now.getFullYear()}`
    const is_monday = now.getDay() === 1

    // Parallel queries for performance
    const [
      urgente,
      alta,
      vencidas,
      em_testes,
      esta_semana,
      monday_mood,
      tickets,
      contactar,
      followup,
      proposta,
      projectos,
      timesheet,
      billing_360,
      pipeline,
      eventos_hoje,
      eventos_semana
    ] = await Promise.all([
      dashboardService.getUrgenteTasks(),
      dashboardService.getAltaTasks(),
      dashboardService.getVencidasTasks(),
      dashboardService.getEmTestesTasks(),
      dashboardService.getEstaSemana(),
      dashboardService.getMondayMood(),
      dashboardService.getTickets(),
      dashboardService.getContactarLeads(),
      dashboardService.getFollowupLeads(),
      dashboardService.getPropostaLeads(),
      dashboardService.getProjectos(),
      dashboardService.getTimesheet(),
      dashboardService.getBilling360(),
      dashboardService.getPipeline(),
      calendarService.getTodayEvents(),
      calendarService.getWeekEvents()
    ])

    // Calculate totals
    const total_tarefas = urgente.length + alta.length
    const total_leads = contactar.length + proposta.length + followup.length

    // Build response matching React component format
    const response = {
      data_formatada,
      is_monday,
      eventos_hoje,
      eventos_semana,
      monday_mood,
      urgente,
      alta,
      vencidas,
      em_testes,
      esta_semana,
      tickets,
      proposta,
      contactar,
      followup,
      projectos,
      billing_360,
      resumo: {
        tarefas: total_tarefas,
        tickets: tickets.length,
        projectos: projectos.length,
        leads: total_leads,
        horas: timesheet.horas,
        horas_pct: timesheet.horas_pct,
        pipeline_valor: pipeline.pipeline_valor
      }
    }

    res.json(response)
  } catch (error) {
    console.error('Dashboard API error:', error)
    res.status(500).json({ error: 'Internal server error' })
  }
})

export default router