package persistence

import (
	"errors"
	"fmt"

	. "gitlab.com/offline-twitter/twitter_offline_engine/pkg/scraper"
)

// Convenience function that saves all the objects in a TweetTrove.
// Panics if anything goes wrong.
func (p Profile) SaveTweetTrove(trove TweetTrove, should_download bool) {
	for i, u := range trove.Users {
		err := p.SaveUser(&u)
		if err != nil {
			panic(fmt.Errorf("Error saving user with ID %d and handle %s:\n  %w", u.ID, u.Handle, err))
		}
		fmt.Println(u.Handle, u.ID)
		// If the User's ID was updated in saving (i.e., Unknown User), update it in the Trove too
		// Also update tweets, retweets and spaces that reference this UserID
		for j, tweet := range trove.Tweets {
			if tweet.UserID == trove.Users[i].ID {
				tweet.UserID = u.ID
				trove.Tweets[j] = tweet
			}
		}
		for j, retweet := range trove.Retweets {
			if retweet.RetweetedByID == trove.Users[i].ID {
				retweet.RetweetedByID = u.ID
				trove.Retweets[j] = retweet
			}
		}
		for j, space := range trove.Spaces {
			if space.CreatedById == trove.Users[i].ID {
				space.CreatedById = u.ID
				trove.Spaces[j] = space
			}
		}
		trove.Users[i] = u

		if should_download {
			// Download their tiny profile image
			err = p.DownloadUserProfileImageTiny(&u)
			if errors.Is(err, ErrRequestTimeout) {
				// Forget about it; if it's important someone will try again
				fmt.Printf("Failed to @%s's tiny profile image (%q): %s\n", u.Handle, u.ProfileImageUrl, err.Error())
			} else if err != nil {
				panic(fmt.Errorf("Error downloading user content for user with ID %d and handle %s:\n  %w", u.ID, u.Handle, err))
			}
		}
	}

	for _, s := range trove.Spaces {
		err := p.SaveSpace(s)
		if err != nil {
			panic(fmt.Errorf("Error saving space with ID %s:\n  %w", s.ID, err))
		}
	}

	for _, t := range trove.Tweets {
		err := p.SaveTweet(t)
		if err != nil {
			panic(fmt.Errorf("Error saving tweet ID %d:\n  %w", t.ID, err))
		}

		if should_download {
			err = p.DownloadTweetContentFor(&t)
			if errors.Is(err, ErrRequestTimeout) {
				// Forget about it; if it's important someone will try again
				fmt.Printf("Failed to download tweet ID %d: %s\n", t.ID, err.Error())
			} else if err != nil {
				panic(fmt.Errorf("Error downloading tweet content for tweet ID %d:\n  %w", t.ID, err))
			}
		}
	}

	for _, r := range trove.Retweets {
		err := p.SaveRetweet(r)
		if err != nil {
			panic(fmt.Errorf("Error saving retweet with ID %d from user ID %d:\n  %w", r.RetweetID, r.RetweetedByID, err))
		}
	}

	for _, l := range trove.Likes {
		err := p.SaveLike(l)
		if err != nil {
			panic(fmt.Errorf("Error saving Like: %#v\n  %w", l, err))
		}
	}
}