package main

import (
	"fmt"
	"strings"

	"github.com/animenotifier/arn"
	"github.com/fatih/color"
)

type stats map[string]float64

func main() {
	color.Yellow("Generating statistics")

	userStats := getUserStats()
	animeStats := getAnimeStats()

	arn.PanicOnError(arn.DB.Set("Cache", "user statistics", &arn.StatisticsCategory{
		Name:      "Users",
		PieCharts: userStats,
	}))

	arn.PanicOnError(arn.DB.Set("Cache", "anime statistics", &arn.StatisticsCategory{
		Name:      "Anime",
		PieCharts: animeStats,
	}))

	color.Green("Finished.")
}

func getUserStats() []*arn.PieChart {
	println("Generating user statistics")

	analytics, err := arn.AllAnalytics()
	arn.PanicOnError(err)

	screenSize := stats{}
	pixelRatio := stats{}
	browser := stats{}
	country := stats{}
	gender := stats{}
	os := stats{}
	notifications := stats{}
	avatar := stats{}

	for _, info := range analytics {
		user, err := arn.GetUser(info.UserID)
		arn.PanicOnError(err)

		if !user.IsActive() {
			continue
		}

		pixelRatio[fmt.Sprintf("%.1f", info.Screen.PixelRatio)]++

		size := arn.ToString(info.Screen.Width) + " x " + arn.ToString(info.Screen.Height)
		screenSize[size]++
	}

	for user := range arn.MustStreamUsers() {
		if !user.IsActive() {
			continue
		}

		if user.Gender != "" && user.Gender != "other" {
			gender[user.Gender]++
		}

		if user.Browser.Name != "" {
			browser[user.Browser.Name]++
		}

		if user.Location.CountryName != "" {
			country[user.Location.CountryName]++
		}

		if user.OS.Name != "" {
			if strings.HasPrefix(user.OS.Name, "CrOS") {
				user.OS.Name = "Chrome OS"
			}

			os[user.OS.Name]++
		}

		if len(user.PushSubscriptions().Items) > 0 {
			notifications["Enabled"]++
		} else {
			notifications["Disabled"]++
		}

		if user.Avatar.Source == "" {
			avatar["none"]++
		} else {
			avatar[user.Avatar.Source]++
		}
	}

	println("Finished user statistics")

	return []*arn.PieChart{
		arn.NewPieChart("OS", os),
		arn.NewPieChart("Screen size", screenSize),
		arn.NewPieChart("Browser", browser),
		arn.NewPieChart("Country", country),
		arn.NewPieChart("Avatar", avatar),
		arn.NewPieChart("Notifications", notifications),
		arn.NewPieChart("Gender", gender),
		arn.NewPieChart("Pixel ratio", pixelRatio),
	}
}

func getAnimeStats() []*arn.PieChart {
	println("Generating anime statistics")

	allAnime, err := arn.AllAnime()
	arn.PanicOnError(err)

	shoboi := stats{}
	anilist := stats{}
	mal := stats{}
	anidb := stats{}
	status := stats{}
	types := stats{}
	shoboiEdits := stats{}
	anilistEdits := stats{}
	malEdits := stats{}
	anidbEdits := stats{}
	rating := stats{}
	twist := stats{}

	for _, anime := range allAnime {
		for _, external := range anime.Mappings {
			if external.Service == "shoboi/anime" {
				if external.CreatedBy == "" {
					shoboiEdits["(auto-generated)"]++
				} else {
					user, err := arn.GetUser(external.CreatedBy)
					arn.PanicOnError(err)
					shoboiEdits[user.Nick]++
				}
			}

			if external.Service == "anilist/anime" {
				if external.CreatedBy == "" {
					anilistEdits["(auto-generated)"]++
				} else {
					user, err := arn.GetUser(external.CreatedBy)
					arn.PanicOnError(err)
					anilistEdits[user.Nick]++
				}
			}

			if external.Service == "myanimelist/anime" {
				if external.CreatedBy == "" {
					malEdits["(auto-generated)"]++
				} else {
					user, err := arn.GetUser(external.CreatedBy)
					arn.PanicOnError(err)
					malEdits[user.Nick]++
				}
			}

			if external.Service == "anidb/anime" {
				if external.CreatedBy == "" {
					anidbEdits["(auto-generated)"]++
				} else {
					user, err := arn.GetUser(external.CreatedBy)
					arn.PanicOnError(err)
					anidbEdits[user.Nick]++
				}
			}
		}

		if anime.GetMapping("shoboi/anime") != "" {
			shoboi["Connected with Shoboi"]++
		} else {
			shoboi["Not connected with Shoboi"]++
		}

		if anime.GetMapping("anilist/anime") != "" {
			anilist["Connected with AniList"]++
		} else {
			anilist["Not connected with AniList"]++
		}

		if anime.GetMapping("myanimelist/anime") != "" {
			mal["Connected with MyAnimeList"]++
		} else {
			mal["Not connected with MyAnimeList"]++
		}

		if anime.GetMapping("anidb/anime") != "" {
			anidb["Connected with AniDB"]++
		} else {
			anidb["Not connected with AniDB"]++
		}

		rating[arn.ToString(int(anime.Rating.Overall+0.5))]++

		found := false
		for _, episode := range anime.Episodes().Items {
			if episode.Links != nil && episode.Links["twist.moe"] != "" {
				found = true
				break
			}
		}

		if found {
			twist["Connected with AnimeTwist"]++
		} else {
			twist["Not connected with AnimeTwist"]++
		}

		status[anime.Status]++
		types[anime.Type]++
	}

	println("Finished anime statistics")

	return []*arn.PieChart{
		arn.NewPieChart("Type", types),
		arn.NewPieChart("Status", status),
		arn.NewPieChart("Rating", rating),
		arn.NewPieChart("MyAnimeList", mal),
		arn.NewPieChart("AniList", anilist),
		arn.NewPieChart("AniDB", anidb),
		arn.NewPieChart("Shoboi", shoboi),
		arn.NewPieChart("AnimeTwist", twist),
		// arn.NewPieChart("MyAnimeList Editors", malEdits),
		arn.NewPieChart("AniList Editors", anilistEdits),
		// arn.NewPieChart("AniDB Editors", anidbEdits),
		arn.NewPieChart("Shoboi Editors", shoboiEdits),
	}
}