package games

import (
	"fmt"
	"hugo-medialog/utils"
	"os"
	"path/filepath"

	"gopkg.in/yaml.v2"
)

func LoadGames() ([]Game, error) {
	gamesFile := os.Getenv("OBSIDIAN_GAMES_FILE")
	fileData, err := os.ReadFile(gamesFile)
	if err != nil {
		return nil, err
	}

	var games []Game
	err = yaml.Unmarshal(fileData, &games)
	if err != nil {
		return nil, err
	}

	return games, nil
}

func ProcessGames(games []Game, update bool) error {
	fmt.Printf(" G A M E S\n")
	utils.Sep()
	for _, game := range games {
		fmt.Printf("Title: %s\n", game.Title)

		// If we're updating, the process is a bit different
		if update || !game.New {
			outputDir := os.Getenv("MARKDOWN_OUTPUT_GAMES_DIR")
			mdFilePath := filepath.Join(outputDir, fmt.Sprintf("%s.md", utils.Sluggify(game.Title)))
			frontmatter, content, err := utils.LoadMarkdown(mdFilePath)
			if err != nil {
				fmt.Printf(" ! Error loading markdown frontmatter for game %s: %v\n", game.Title, err)
				continue
			}
			updatedFrontmatter := updateFrontmatterWithYAML(frontmatter, game)
			err = utils.SaveUpdatedMarkdown(mdFilePath, updatedFrontmatter, content)
			if err != nil {
				fmt.Printf(" ! Error saving updated markdown for game %s: %v\n", game.Title, err)
				continue
			}
			// We want to continue the loop here, in update's cases we don't
			// want to do any api calls for info nor for images
			continue
		}

		// If we dont have ID, search movie by Title and get the ID
		if game.ID == 0 {
			err := SearchGameByTitle(game.Title, &game)
			if err != nil {
				fmt.Printf(" ! Error searching game by title %s: %s\n", game.Title, err)
				continue
			}
		}
		game.Slug = utils.Sluggify(game.Title)

		// Download Images
		if game.Image != "" {
			suffix := ""
			err := DownloadImage(game.Image, game.Slug, suffix)
			if err != nil {
				fmt.Printf(" ! Error downloading %s: %s\n", game.Image, err)
			}
			game.Image = fmt.Sprintf("%s.jpg", game.Slug)
		}
		if game.Poster != "" {
			suffix := "-poster"
			err := DownloadImage(game.Poster, game.Slug, suffix)
			if err != nil {
				fmt.Printf("Error downloading %s: %s\n", game.Image, err)
			}
			game.Poster = fmt.Sprintf("%s%s.jpg", game.Slug, suffix)
		}
		if game.Background != "" {
			suffix := "-background"
			err := DownloadImage(game.Background, game.Slug, suffix)
			if err != nil {
				fmt.Printf("Error downloading %s: %s\n", game.Background, err)
			}
			game.Background = fmt.Sprintf("%s%s.jpg", game.Slug, suffix)
		}

		err := generateGameMarkdown(game)
		if err != nil {
			return err
		}

		utils.Sep()
	}
	return nil
}

func generateGameMarkdown(game Game) error {
	templatePath := filepath.Join(os.Getenv("TEMPLATES_DIR"), "game.md.tpl")
	outputDir := os.Getenv("MARKDOWN_OUTPUT_GAMES_DIR")
	if err := utils.CreateDirIfNotExists(outputDir); err != nil {
		return err
	}
	outputPath := filepath.Join(outputDir, fmt.Sprintf("%s.md", game.Slug))

	data := map[string]interface{}{
		"Title":      game.Title,
		"Platform":   game.Platform,
		"Link":       game.Link,
		"Subtitle":   game.Year,
		"Year":       game.Year,
		"Rate":       game.Rate,
		"Progress":   game.Progress,
		"Image":      game.Image,
		"Poster":     game.Poster,
		"Background": game.Background,
		"Date":       game.Date,
		"Tags":       "playing",
	}

	return utils.GenerateMarkdown(templatePath, outputPath, data)
}

// Helper function to update only YAML fields that exist in both the frontmatter and YAML data
func updateFrontmatterWithYAML(frontmatter utils.FrontMatter, game Game) utils.FrontMatter {
	frontmatter.Progress = game.Progress
	frontmatter.Date = game.Date
	frontmatter.Rate = game.Rate
	return frontmatter
}