package models

import (
	"encoding/json"
	"os"
)

func ParseConf() (Config, error) {
	var conf Config
	data, err := os.ReadFile("config.json")
	if err != nil {
		return conf, err
	}
	// 解析JSON数据到Config结构体
	err = json.Unmarshal(data, &conf)

	return conf, err
}

type Config struct {
	Values         []string `json:"values"`
	ReFresh        int      `json:"refresh"`
	AutoUpdatePush int      `json:"autoUpdatePush"`
	NightStartTime string   `json:"nightStartTime"`
	NightEndTime   string   `json:"nightEndTime"`
}

func (older Config) GetIncrement(newer Config) []string {
	var (
		urlMap    = make(map[string]struct{})
		increment = make([]string, 0, len(newer.Values))
	)
	for _, item := range older.Values {
		urlMap[item] = struct{}{}
	}

	for _, item := range newer.Values {
		if _, ok := urlMap[item]; ok {
			continue
		}
		increment = append(increment, item)
	}

	return increment
}