import { hasActualValue } from './alarmReviewModel.js'

// GIS 曲线和研判候选共用；按报警 ID 去重，保留实际值为 0 的事件。
export function alarmCurveChoices(rows = []) {
  return [...new Map(rows.map(row => [row.id, row])).values()].filter(hasActualValue)
}

export const levelTone = level => ({ 1: 'danger', 2: 'warning', 3: 'primary', 4: 'success' }[level] || 'info')
// 只映射展示颜色，状态名称仍以接口返回值为准。
export const monitorStatusTone = status => ({ 0: 'danger', 1: 'success' }[status] || 'info')
export const auditStatusTone = status => ({ 0: 'warning', 1: 'primary', 2: 'info' }[status] || 'info')
export const levelColor = level => ({ 1: '#f56c6c', 2: '#e6a23c', 3: '#409eff', 4: '#67c23a' }[level] || '#909399')
export const scopeFromRoute = query => ({ rootTypeId: Number(query.rootTypeId), warningCode: query.warning_code || query.warningCode || undefined })
export const sampleTime = time => Date.parse(/[zZ]$|[+-]\d\d:\d\d$/.test(time) ? time : String(time).replace(' ', 'T') + '+08:00')
// 原始采样间隔超过本区间中位间隔的3倍时断线；不补零或插值。
export function seriesPoints(samples, raw = false) {
  const points = samples.map(p => [sampleTime(p.time), p.value]).filter(p => Number.isFinite(p[0])).sort((a, b) => a[0] - b[0])
  if (!raw || points.length < 3) return points
  const intervals = points.slice(1).map((p, i) => p[0] - points[i][0]).filter(n => n > 0).sort((a, b) => a - b)
  const median = intervals[Math.floor((intervals.length - 1) / 2)]
  return points.flatMap((p, i) => i && p[0] - points[i - 1][0] > median * 3 ? [[points[i - 1][0] + 1, null], p] : [p])
}
export function rangeParams(range) {
  return range?.length === 2 ? { startTime: `${range[0]} 00:00:00`, endTime: `${range[1]} 23:59:59.999999` } : {}
}
export function groupAlarmDevices(rows = []) {
  const devices = new Map()
  for (const row of rows) {
    const key = row.equipmentId || row.deviceCode
    if (!key) continue
    if (!devices.has(key)) devices.set(key, { ...row, key, name: row.deviceName || row.deviceCode, alarms: [] })
    devices.get(key).alarms.push(row)
  }
  return [...devices.values()].map(device => {
    device.alarms.sort((a, b) => String(b.createTime).localeCompare(String(a.createTime)))
    const current = device.alarms.filter(row => row.alarmStatus === 0)
    device.alarmLevel = Math.min(...(current.length ? current : device.alarms.slice(0, 1)).map(row => Number(row.alarmLevel) || 4))
    device.lng = device.longitude === null || device.longitude === '' ? NaN : Number(device.longitude)
    device.lat = device.latitude === null || device.latitude === '' ? NaN : Number(device.latitude)
    device.hasCoordinates = Number.isFinite(device.lng) && Number.isFinite(device.lat) && Math.abs(device.lng) <= 180 && Math.abs(device.lat) <= 90 && !(device.lng === 0 && device.lat === 0)
    device.iconUrl = 'data:image/svg+xml;charset=UTF-8,' + encodeURIComponent(`<svg xmlns="http://www.w3.org/2000/svg" width="36" height="44"><path d="M18 42C15 35 2 26 2 18a16 16 0 1 1 32 0c0 8-13 17-16 24Z" fill="${levelColor(device.alarmLevel)}" stroke="white" stroke-width="2"/><text x="18" y="24" text-anchor="middle" fill="white" font-size="18">${device.alarmLevel}</text></svg>`)
    return device
  })
}
export function findAlarmMenu(routes, leaf, rootTypeId, parent = '') {
  for (const route of routes || []) {
    const path = route.path?.startsWith('/') ? route.path : `${parent}/${route.path || ''}`.replace(/\/+/g, '/')
    let query = route.query || {}
    try { if (typeof query === 'string') query = JSON.parse(query) } catch { query = {} }
    if (path.split('/').at(-1) === leaf && Number(query.rootTypeId) === Number(rootTypeId)) return { path, query }
    const child = findAlarmMenu(route.children, leaf, rootTypeId, path)
    if (child) return child
  }
  return null
}