package repository

import (
	"context"
	"encoding/json"

	"os"
	"time"

	dbgen "github.com/SamuelTariku/FortuneBet-Backend/gen/db"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	"github.com/jackc/pgx/v5/pgtype"
)

func (s *Store) SaveOddMarket(ctx context.Context, m domain.CreateOddMarket) error {
	if len(m.Odds) == 0 {
		return nil
	}

	params, err := domain.ConvertCreateOddMarket(m)

	if err != nil {
		return err
	}

	err = s.queries.InsertOddsMarket(ctx, params)
	if err != nil {
		_ = writeFailedMarketLog(m, err)
		return err
	}
	return nil
}

func writeFailedMarketLog(m domain.CreateOddMarket, err error) error {
	logDir := "logs"
	logFile := logDir + "/failed_markets.log"

	if mkErr := os.MkdirAll(logDir, 0755); mkErr != nil {
		return mkErr
	}

	f, fileErr := os.OpenFile(logFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if fileErr != nil {
		return fileErr
	}
	defer f.Close()

	entry := struct {
		Time   string                 `json:"time"`
		Error  string                 `json:"error"`
		Record domain.CreateOddMarket `json:"record"`
	}{
		Time:   time.Now().Format(time.RFC3339),
		Error:  err.Error(),
		Record: m,
	}

	jsonData, _ := json.MarshalIndent(entry, "", "  ")
	_, writeErr := f.WriteString(string(jsonData) + "\n\n")
	return writeErr
}

func (s *Store) GetAllOdds(ctx context.Context, filter domain.OddMarketFilter) ([]domain.OddMarket, error) {
	rows, err := s.queries.GetAllOdds(ctx, dbgen.GetAllOddsParams{
		Offset: filter.Offset.ToPG(),
		Limit:  filter.Limit.ToPG(),
	})
	if err != nil {
		return nil, err
	}

	domainOdds, err := domain.ConvertDBOddMarkets(rows)

	if err != nil {
		return nil, err
	}

	return domainOdds, nil
}

func (s *Store) GetAllOddsWithSettings(ctx context.Context, companyID int64, filter domain.OddMarketFilter) ([]domain.OddMarketWithSettings, error) {
	odds, err := s.queries.GetAllOddsWithSettings(ctx, dbgen.GetAllOddsWithSettingsParams{
		CompanyID: companyID,
		Offset:    filter.Offset.ToPG(),
		Limit:     filter.Limit.ToPG(),
	})
	if err != nil {
		return nil, err
	}

	// domainOdds, err := domain.ConvertDBOddMarketWithSettings(odds)
	// if err != nil {
	// 	return nil, err
	// }

	result := make([]domain.OddMarketWithSettings, len(odds))
	for i, o := range odds {
		var rawOdds []json.RawMessage
		if len(o.RawOdds) > 0 {
			if err := json.Unmarshal(o.RawOdds, &rawOdds); err != nil {
				return nil, err
			}
		} else {
			rawOdds = []json.RawMessage{} // explicit empty slice
		}

		result[i] = domain.OddMarketWithSettings{
			ID:             o.ID,
			EventID:        o.EventID,
			MarketType:     o.MarketType,
			MarketName:     o.MarketName,
			MarketCategory: o.MarketCategory,
			MarketID:       o.MarketID,
			RawOdds:        rawOdds,
			FetchedAt:      o.FetchedAt.Time,
			ExpiresAt:      o.ExpiresAt.Time,
			IsActive:       o.IsActive,
		}
	}

	return result, nil
}

func (s *Store) GetOddByID(ctx context.Context, id int64) (domain.OddMarket, error) {
	odd, err := s.queries.GetOddByID(ctx, id)
	if err != nil {
		return domain.OddMarket{}, err
	}

	convertedOdd, err := domain.ConvertDBOddMarket(odd)

	if err != nil {
		return domain.OddMarket{}, err
	}
	return convertedOdd, nil
}

func (s *Store) GetOddsByMarketID(ctx context.Context, marketID string, eventID string) (domain.OddMarket, error) {

	odds, err := s.queries.GetOddsByMarketID(ctx, dbgen.GetOddsByMarketIDParams{
		MarketID: marketID,
		EventID:  eventID,
	})
	if err != nil {
		return domain.OddMarket{}, err
	}

	convertedOdd, err := domain.ConvertDBOddMarket(odds)

	if err != nil {
		return domain.OddMarket{}, err
	}
	return convertedOdd, nil
}

func (s *Store) GetOddsWithSettingsByMarketID(ctx context.Context, marketID string, eventID string, companyID int64) (domain.OddMarketWithSettings, error) {

	odds, err := s.queries.GetOddsWithSettingsByMarketID(ctx, dbgen.GetOddsWithSettingsByMarketIDParams{
		MarketID:  marketID,
		EventID:   eventID,
		CompanyID: companyID,
	})
	if err != nil {
		return domain.OddMarketWithSettings{}, err
	}

	// convertedOdd, err := domain.ConvertDBOddMarketWithSetting(odds)

	// if err != nil {
	// 	return domain.OddMarketWithSettings{}, err
	// }

	var rawOdds []json.RawMessage
	if len(odds.RawOdds) > 0 {
		if err := json.Unmarshal(odds.RawOdds, &rawOdds); err != nil {
			return domain.OddMarketWithSettings{}, err
		}
	} else {
		rawOdds = []json.RawMessage{} // explicit empty slice
	}

	converted := domain.OddMarketWithSettings{
		ID:             odds.ID,
		EventID:        odds.EventID,
		MarketType:     odds.MarketType,
		MarketName:     odds.MarketName,
		MarketCategory: odds.MarketCategory,
		MarketID:       odds.MarketID,
		RawOdds:        rawOdds,
		FetchedAt:      odds.FetchedAt.Time,
		ExpiresAt:      odds.ExpiresAt.Time,
		IsActive:       odds.IsActive,
	}
	return converted, nil
}

func (s *Store) GetOddsWithSettingsByID(ctx context.Context, ID int64, companyID int64) (domain.OddMarketWithSettings, error) {

	odds, err := s.queries.GetOddsWithSettingsByID(ctx, dbgen.GetOddsWithSettingsByIDParams{
		ID:        ID,
		CompanyID: companyID,
	})

	if err != nil {
		return domain.OddMarketWithSettings{}, err
	}

	// convertedOdd, err := domain.ConvertDBOddMarketWithSetting(odds)

	// if err != nil {
	// 	return domain.OddMarketWithSettings{}, err
	// }

	var rawOdds []json.RawMessage
	if len(odds.RawOdds) > 0 {
		if err := json.Unmarshal(odds.RawOdds, &rawOdds); err != nil {
			return domain.OddMarketWithSettings{}, err
		}
	} else {
		rawOdds = []json.RawMessage{} // explicit empty slice
	}

	converted := domain.OddMarketWithSettings{
		ID:             odds.ID,
		EventID:        odds.EventID,
		MarketType:     odds.MarketType,
		MarketName:     odds.MarketName,
		MarketCategory: odds.MarketCategory,
		MarketID:       odds.MarketID,
		RawOdds:        rawOdds,
		FetchedAt:      odds.FetchedAt.Time,
		ExpiresAt:      odds.ExpiresAt.Time,
		IsActive:       odds.IsActive,
	}

	return converted, nil
}

func (s *Store) GetOddsByEventID(ctx context.Context, upcomingID string, filter domain.OddMarketWithEventFilter) ([]domain.OddMarket, error) {
	odds, err := s.queries.GetOddsByEventID(ctx, dbgen.GetOddsByEventIDParams{
		EventID: upcomingID,
		Limit:   filter.Limit.ToPG(),
		Offset:  filter.Offset.ToPG(),
		IsLive: pgtype.Bool{
			Bool:  false,
			Valid: true,
		},
		Status: pgtype.Text{
			String: string(domain.STATUS_PENDING),
			Valid:  true,
		},
		Source: pgtype.Text{},
	})
	if err != nil {
		return nil, err
	}
	// Map the results to domain.Odd
	domainOdds, err := domain.ConvertDBOddMarkets(odds)
	if err != nil {
		return nil, err
	}

	return domainOdds, nil
}

func (s *Store) GetOddsWithSettingsByEventID(ctx context.Context, upcomingID string, companyID int64, filter domain.OddMarketFilter) ([]domain.OddMarketWithSettings, error) {

	odds, err := s.queries.GetOddsWithSettingsByEventID(ctx, dbgen.GetOddsWithSettingsByEventIDParams{
		EventID:   upcomingID,
		CompanyID: companyID,
		Offset:    filter.Offset.ToPG(),
		Limit:     filter.Limit.ToPG(),
	})
	if err != nil {
		return nil, err
	}

	// Map the results to domain.Odd
	// domainOdds, err := domain.ConvertDBOddMarketWithSettings(odds)
	// if err != nil {
	// 	return nil, err
	// }

	result := make([]domain.OddMarketWithSettings, len(odds))
	for i, o := range odds {
		var rawOdds []json.RawMessage
		if len(o.RawOdds) > 0 {
			if err := json.Unmarshal(o.RawOdds, &rawOdds); err != nil {
				return nil, err
			}
		} else {
			rawOdds = []json.RawMessage{} // explicit empty slice
		}

		result[i] = domain.OddMarketWithSettings{
			ID:             o.ID,
			EventID:        o.EventID,
			MarketType:     o.MarketType,
			MarketName:     o.MarketName,
			MarketCategory: o.MarketCategory,
			MarketID:       o.MarketID,
			RawOdds:        rawOdds,
			FetchedAt:      o.FetchedAt.Time,
			ExpiresAt:      o.ExpiresAt.Time,
			IsActive:       o.IsActive,
		}
	}

	return result, nil
}

func (s *Store) DeleteOddsForEvent(ctx context.Context, eventID string) error {
	return s.queries.DeleteOddsForEvent(ctx, eventID)
}

func (s *Store) SaveOddsSetting(ctx context.Context, odd domain.CreateOddMarketSettings) error {

	res, err := domain.ConvertCreateOddMarketSetting(odd)

	if err != nil {
		return nil
	}
	return s.queries.SaveOddSettings(ctx, res)
}