import { Hono } from 'hono'
import type { Env } from '../index'
import { requireAuth } from '../middlewares/auth'

export const messagesRoutes = new Hono<{ Bindings: Env }>()

messagesRoutes.get('/', requireAuth, async (c) => {
  const page = Math.max(1, Number(c.req.query('page') || 1))
  const limit = Math.min(100, Math.max(1, Number(c.req.query('limit') || 20)))
  const q = (c.req.query('q') || '').trim()
  const from = (c.req.query('from') || '').trim()
  const startTs = Number(c.req.query('start_ts') || 0)
  const endTs = Number(c.req.query('end_ts') || 0)
  const offset = (page - 1) * limit

  const whereParts: string[] = []
  const params: any[] = []

  if (from) {
    whereParts.push('from_number = ?')
    params.push(from)
  }

  if (q) {
    whereParts.push('(from_number LIKE ? OR content LIKE ?)')
    params.push(`%${q}%`, `%${q}%`)
  }

  if (startTs > 0) {
    whereParts.push('timestamp >= ?')
    params.push(startTs)
  }

  if (endTs > 0) {
    whereParts.push('timestamp <= ?')
    params.push(endTs)
  }

  const where = whereParts.length ? `WHERE ${whereParts.join(' AND ')}` : ''

  const totalStmt = c.env.DB.prepare(`SELECT COUNT(*) as cnt FROM sms_messages ${where}`)
  const total = (await totalStmt.bind(...params).first() as any)?.cnt || 0

  const stmt = c.env.DB.prepare(
    `SELECT * FROM sms_messages ${where} ORDER BY timestamp DESC LIMIT ? OFFSET ?`
  )
  const rows = await stmt.bind(...params, limit, offset).all()

  const fromRows = await c.env.DB.prepare(
    `SELECT DISTINCT from_number FROM sms_messages ORDER BY from_number`
  ).all()

  return c.json({
    success: true,
    data: rows.results || [],
    total,
    page,
    limit,
    from_numbers: (fromRows.results || []).map((r: any) => r.from_number),
  })
})

messagesRoutes.get('/:id', requireAuth, async (c) => {
  const id = c.req.param('id')
  const stmt = c.env.DB.prepare(`SELECT * FROM sms_messages WHERE id = ?`)
  const row = await stmt.bind(id).first()
  if (!row) return c.json({ success: false, error: '消息不存在' }, 404)
  return c.json({ success: true, data: row })
})