package sorare_utils

import (
	"context"

	"git.lehouerou.net/laurent/sorare"
	"git.lehouerou.net/laurent/sorare/football"
	"git.lehouerou.net/laurent/sorare/graphql"
	"github.com/jackc/pgx/v5/pgtype"
	"github.com/rs/zerolog/log"
	"github.com/samber/lo"

	"git.lehouerou.net/laurent/sorarebuddy/model"
)

type UpdateService struct {
	s  *sorare.Sorare
	db *model.Queries
}

func NewUpdateService(s *sorare.Sorare, db *model.Queries) *UpdateService {
	return &UpdateService{s: s, db: db}
}

func (u *UpdateService) InitSyncDatabase(ctx context.Context) error {

	sfixtures, err := u.s.Football.So5.So5Fixtures.Get(ctx, football.So5FixturesParams{})
	if err != nil {
		return err
	}
	log.Debug().Msgf("fixtures: %v", sfixtures)

	cnt, err := u.db.CreateFixtures(
		ctx,
		lo.Map(sfixtures, func(fixture football.So5Fixture, index int) model.CreateFixturesParams {
			return model.CreateFixturesParams{
				Slug:        fixture.Slug,
				DisplayName: fixture.DisplayName,
				State:       fixture.AasmState,
				StartDate:   pgtype.Timestamptz{Time: fixture.StartDate, Valid: true},
				EndDate:     pgtype.Timestamptz{Time: fixture.EndDate, Valid: true},
				GameWeek:    int32(fixture.GameWeek),
			}
		}),
	)
	if err != nil {
		return err
	}

	log.Debug().Msgf("created %d fixtures", cnt)

	fixtures, err := u.db.GetAllFixtures(ctx)
	if err != nil {
		return err
	}
	games, err := GetGamesFromFixtures(
		ctx,
		u.s,
		lo.Map(fixtures, func(fixture model.Fixture, index int) string {
			return fixture.Slug
		}),
	)
	log.Info().Msgf("found %d games to process", len(games))

	teamSlugs := ExtractTeamSlugsFromGames(games)
	log.Debug().Msgf("extracted %d unique team slugs from games", len(teamSlugs))

	log.Debug().Msgf("getting clubs...")
	var clubs []football.Club
	for i, chunk := range lo.Chunk(teamSlugs, 100) {
		log.Debug().Msgf("\tbatch %d/%d", i+1, len(teamSlugs)/100)
		t, err := u.s.Football.Clubs.Get(ctx, graphql.SlugsParams{Slugs: chunk})
		if err != nil {
			return err
		}
		clubs = append(clubs, t...)
	}
	log.Debug().Msgf("found %d clubs", len(clubs))
	var nationalTeams []football.NationalTeam
	slugsLeft := lo.Without(teamSlugs, lo.Map(clubs, func(club football.Club, index int) string {
		return club.Slug
	})...)
	log.Debug().Msgf("getting national teams...")
	log.Debug().Msgf("slugs left: %d", len(slugsLeft))
	for i, chunk := range lo.Chunk(slugsLeft, 100) {
		log.Debug().Msgf("\tbatch %d/%d", i+1, len(teamSlugs)/100)
		t, err := u.s.Football.NationalTeams.Get(ctx, graphql.SlugsParams{Slugs: chunk})
		if err != nil {
			return err
		}
		nationalTeams = append(nationalTeams, t...)
	}
	log.Debug().Msgf("found %d national teams", len(nationalTeams))

	competitionSlugs := ExtractCompetitionSlugsFromGamesAndClubs(games, clubs)
	log.Debug().Msgf("extracted %d unique competition slugs from games and clubs", len(competitionSlugs))
	log.Debug().Msgf("getting competitions...")
	var competitions []football.Competition
	for _, slug := range competitionSlugs {
		log.Debug().Msgf("\tcompetition %s", slug)
		c, err := u.s.Football.Competition.Get(ctx, graphql.SlugParams{Slug: slug})
		if err != nil {
			return err
		}
		competitions = append(competitions, c)
	}
	log.Debug().Msgf("found %d competitions", len(competitions))

	countrySlugs := ExtractCountrySlugsFromCompetitionsClubsAndNationalTeams(
		competitions,
		clubs,
		nationalTeams,
	)
	log.Debug().Msgf("extracted %d unique country slugs from competitions, clubs and national teams", len(countrySlugs))
	log.Debug().Msgf("getting countries...")
	var countries []sorare.Country
	for i, chunk := range lo.Chunk(countrySlugs, 100) {
		log.Debug().Msgf("\tbatch %d/%d", i+1, len(countrySlugs)/100)
		c, err := u.s.Countries.Get(ctx, graphql.SlugsParams{Slugs: chunk})
		if err != nil {
			return err
		}
		countries = append(countries, c...)
	}
	log.Debug().Msgf("found %d countries", len(countries))

	log.Debug().Msg("inserting countries into db...")
	cnt, err = u.db.CreateCountries(
		ctx,
		lo.Map(countries, func(country sorare.Country, index int) model.CreateCountriesParams {
			return model.CreateCountriesParams{
				Slug:            country.Slug,
				Code:            country.Code,
				DisplayName:     country.Name,
				ThreeLetterCode: country.ThreeLetterCode,
				FlagFlat64Url:   country.FlagFlat64Url,
				FlagFlat32Url:   country.FlagFlat32Url,
				FlagRound64Url:  country.FlagRound64Url,
				FlagRound32Url:  country.FlagRound32Url,
			}
		}),
	)
	if err != nil {
		return err
	}
	log.Debug().Msgf("%d countries inserted", cnt)

	log.Debug().Msg("inserting competitions into db...")

	_, err = u.db.BatchInsertCompetitions(
		ctx,
		lo.Map(competitions, func(competition football.Competition, index int) model.BatchInsertCompetitionsParams {
			return model.BatchInsertCompetitionsParams{
				Slug:              competition.Slug,
				CompetitionFormat: competition.Format,
				CompetitionType:   competition.Type,
				DisplayName:       competition.DisplayName,
				PictureUrl:        competition.PictureUrl,
				LogoUrl:           competition.LogoUrl,
				CountrySlug:       competition.Country.Slug,
			}
		}),
	)
	if err != nil {
		return err
	}

	log.Debug().Msgf("%d competitions inserted", len(competitions))

	log.Debug().Msg("inserting teams into db...")
	cnt, err = u.db.BatchInsertTeams(ctx, lo.Union(
		lo.Map(clubs, func(club football.Club, index int) model.BatchInsertTeamsParams {
			return model.BatchInsertTeamsParams{
				Slug:        club.Slug,
				DisplayName: club.Name,
				CountrySlug: club.Country.Slug,
				DomesticLeagueSlug: func() *string {
					if club.DomesticLeague.Slug == "" {
						return nil
					}
					return &club.DomesticLeague.Slug
				}(),
				ShortName:  club.ShortName,
				PictureUrl: club.PictureUrl,
				TeamType:   "club",
			}
		}),
		lo.Map(nationalTeams, func(nationalTeam football.NationalTeam, index int) model.BatchInsertTeamsParams {
			return model.BatchInsertTeamsParams{
				Slug:               nationalTeam.Slug,
				DisplayName:        nationalTeam.Name,
				CountrySlug:        nationalTeam.Country.Slug,
				DomesticLeagueSlug: nil,
				ShortName:          nationalTeam.ShortName,
				PictureUrl:         nationalTeam.PictureUrl,
				TeamType:           "national",
			}
		}),
	))
	if err != nil {
		return err
	}
	log.Debug().Msgf("%d teams inserted", cnt)

	log.Debug().Msg("inserting games into db...")
	cnt, err = u.db.BatchInsertGames(
		ctx,
		lo.Map(games, func(game football.Game, index int) model.BatchInsertGamesParams {
			return model.BatchInsertGamesParams{
				ID:                 game.Id.Value,
				Date:               pgtype.Timestamptz{Time: game.Date, Valid: true},
				CoverageStatus:     game.CoverageStatus,
				LowCoverage:        game.LowCoverage,
				Minutes:            int32(game.Minute),
				PeriodType:         game.PeriodType,
				Scored:             game.Scored,
				Status:             game.Status,
				CompetitionSlug:    game.Competition.Slug,
				FixtureSlug:        game.So5Fixture.Slug,
				AwayTeamSlug:       game.AwayTeam.Team.Slug,
				AwayGoals:          int32(game.AwayGoals),
				AwayExtraTimeScore: int32(game.ExtraTimeScoreAway),
				AwayPenaltyScore:   int32(game.PenaltyScoreAway),
				HomeTeamSlug:       game.HomeTeam.Team.Slug,
				HomeGoals:          int32(game.HomeGoals),
				HomeExtraTimeScore: int32(game.ExtraTimeScoreHome),
				HomePenaltyScore:   int32(game.PenaltyScoreHome),
				WinnerTeamSlug: func() *string {
					if game.Winner.Team.Slug == "" {
						return nil
					}
					return &game.Winner.Team.Slug
				}(),
			}
		}),
	)
	if err != nil {
		return err
	}
	log.Debug().Msgf("%d games inserted", cnt)
	return nil
}