import json
import rand
import net.http

struct Weather {
    status      string [skip] // drop this field
    api_version string [skip]
    api_status  string [skip]
    lang        string [skip]
    unit        string [skip]
    tzshift     int    [skip]
    timezone    string [skip]
    server_time u32    [skip]
    location    []f32  [skip]
    result      Result //[json: result] if the field name is different in JSON, it can be specified
}

struct Result {
    realtime          Realtime [skip]
    minutely          Minutely [skip]
    hourly            Hourly   [skip]
    daily             Daily    [skip]
    primary           int      [skip]
    forecast_keypoint string
}

struct Realtime {}

struct Minutely {}

struct Hourly {}

struct Daily {}

fn main() {
    config := http.FetchConfig{
        user_agent: 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0'
    }

    rnd := rand.f32()
    url := 'https://api.caiyunapp.com/v2.5/96Ly7wgKGq6FhllM/116.391912,40.010711/weather.jsonp?hourlysteps=120&random=${rnd}'
    // println(url)

    resp := http.fetch(http.FetchConfig{ ...config, url: url }) or {
        println('failed to fetch data from the server')
        return
    }

    weather := json.decode(Weather, resp.body) or {
        println('failed to decode weather json')
        return
    }

    println('未来两小时天气:\n${weather.result.forecast_keypoint}.')
}