package task

import (
	"net/url"

	"pcgamedb/config"
	"pcgamedb/crawler"
	"pcgamedb/db"
	"pcgamedb/model"
	"pcgamedb/utils"

	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.uber.org/zap"
)

func Crawl(logger *zap.Logger) {
	var games []*model.GameItem
	var crawlerMap = crawler.BuildCrawlerMap(logger)
	for _, item := range crawlerMap {
		logger.Info("Crawler start", zap.String("crawler", item.Name()))
		if c, ok := item.(crawler.PagedCrawler); ok {
			g, err := c.CrawlMulti([]int{1, 2, 3})
			if err != nil {
				logger.Debug("Failed to crawl games", zap.String("crawler", c.Name()), zap.Error(err))
			}
			games = append(games, g...)
			logger.Info("Crawler end", zap.String("crawler", c.Name()), zap.Int("count", len(g)))
		} else if c, ok := item.(crawler.SimpleCrawler); ok {
			g, err := c.CrawlAll()
			if err != nil {
				logger.Debug("Failed to crawl games", zap.String("crawler", c.Name()), zap.Error(err))
			}
			games = append(games, g...)
			logger.Info("Crawler end", zap.String("crawler", c.Name()), zap.Int("count", len(g)))
		}
	}
	logger.Info("Crawled finished", zap.Int("count", len(games)))
	for _, game := range games {
		logger.Info(
			"Crawled game",
			zap.String("name", game.RawName),
			zap.String("author", game.Author),
			zap.String("url", game.Url),
		)
	}
	Clean(logger)

	// trigger webhooks
	var ids []primitive.ObjectID
	for _, game := range games {
		ids = append(ids, game.ID)
	}

	var infos []*model.GameInfo
	if len(ids) != 0 {
		items, err := db.GetGameItemsByIDs(ids)
		if err != nil {
			logger.Error("Failed to get game items", zap.Error(err))
			return
		}
		for _, game := range items {
			info, err := db.GetGameInfoByGameItemID(game.ID)
			if err != nil {
				logger.Error("Failed to get game info", zap.Error(err))
				continue
			}
			info.Games = append(info.Games, game)
			infos = append(infos, info)
		}
	}

	for _, u := range config.Config.Webhooks.CrawlTask {
		_, err := url.Parse(u)
		if err != nil {
			logger.Error("Invalid webhook url", zap.String("url", u), zap.Error(err))
			continue
		}
		logger.Info("webhook triggered", zap.String("task", "crawl"), zap.String("url", u))
		_, err = utils.Request().SetHeader("Content-Type", "application/json").SetBody(infos).Post(u)
		if err != nil {
			logger.Error("Failed to trigger webhook", zap.String("task", "crawl"), zap.String("url", u), zap.Error(err))
		}
	}
}