// index.js (Prelude 脚本)
module.exports = {
  async onInit() {
    // registerProvider 返回 Promise，必须 await
    const dispose = await recommend.registerProvider({
      id: 'my-plugin-weather',
      name: '天气推荐',

      canProvide(context) {
        // 只在早晨时段提供；时段在 context.time.timeSlot
        return context.time.timeSlot === 'morning'
      },

      getCandidates(context) {
        return [
          {
            id: 'weather-today',
            title: '今日天气',
            subtitle: '查看今天的天气预报',
            icon: { type: 'emoji', value: '🌤️' },
            priority: 80,
            action: 'show-weather',
            data: { city: 'Shanghai' }
          }
        ]
      },

      // 必须存在。返回 false 或抛错表示动作失败，宿主不计次数；
      // 返回 true 或 undefined 表示主操作已被接受，宿主记一次使用。
      async onExecute(candidate) {
        if (candidate.action !== 'show-weather') return false
        const ok = await openWeatherPanel(candidate.data.city)
        return ok
      }
    })

    // 不再需要时释放 provider 与它保留的回调
    // await dispose()
  }
}

// index.js
let weatherData = null

module.exports = {
  async onInit() {
    const disposeProvider = await recommend.registerProvider({
      id: 'smart-weather',
      name: '智能天气',

      canProvide(context) {
        return context.time.timeSlot === 'morning' && weatherData !== null
      },

      async getCandidates(context) {
        const items = [{
          id: 'weather-forecast',
          title: `今日 ${weatherData.temp}°C ${weatherData.condition}`,
          subtitle: '点击查看详情',
          icon: { type: 'emoji', value: '🌡️' },
          priority: 85,
          action: 'open-weather-detail',
          data: { city: weatherData.city }
        }]

        if (weatherData.rain) {
          items.push({
            id: 'weather-rain-alert',
            title: '今日有雨，记得带伞',
            subtitle: `降雨概率 ${weatherData.rainChance}%`,
            icon: { type: 'emoji', value: '🌧️' },
            priority: 90,
            action: 'rain-detail',
            data: { rainChance: weatherData.rainChance }
          })
        }

        return items
      },

      async onExecute(candidate) {
        if (candidate.action === 'open-weather-detail') {
          return await openDetailPanel(candidate.data.city)
        }
        if (candidate.action === 'rain-detail') {
          return await openRainPanel(candidate.data.rainChance)
        }
        return false
      }
    })

    // 插件内部状态变化时可以动态释放
    globalThis.__disposeWeatherProvider = disposeProvider
  },

  onDestroy() {
    globalThis.__disposeWeatherProvider?.()
    globalThis.__disposeWeatherProvider = null
  },

  onFeatureTriggered(featureId, query, feature) {
    // 普通的 feature 触发逻辑
  }
}