package handlers

import (
	"context"
	"fmt"
	oapi "nyanimedb/api"
	sqlc "nyanimedb/sql"
	"time"

	"github.com/jackc/pgx/v5"
	"github.com/jackc/pgx/v5/pgtype"
	"github.com/oapi-codegen/runtime/types"
	log "github.com/sirupsen/logrus"
)

// type Server struct {
// 	db *sqlc.Queries
// }

// func NewServer(db *sqlc.Queries) Server {
// 	return Server{db: db}
// }

// func parseInt64(s string) (int32, error) {
// 	i, err := strconv.ParseInt(s, 10, 64)
// 	return int32(i), err
// }

func mapUser(u sqlc.GetUserByIDRow) oapi.User {
	return oapi.User{
		AvatarId:     u.AvatarID,
		CreationDate: &u.CreationDate,
		DispName:     u.DispName,
		Id:           &u.ID,
		Mail:         (*types.Email)(u.Mail),
		Nickname:     u.Nickname,
		UserDesc:     u.UserDesc,
	}
}

func (s Server) GetUsersUserId(ctx context.Context, req oapi.GetUsersUserIdRequestObject) (oapi.GetUsersUserIdResponseObject, error) {
	userID, err := parseInt64(req.UserId)
	if err != nil {
		return oapi.GetUsersUserId404Response{}, nil
	}
	user, err := s.db.GetUserByID(context.TODO(), int64(userID))
	if err != nil {
		if err == pgx.ErrNoRows {
			return oapi.GetUsersUserId404Response{}, nil
		}
		return nil, err
	}
	return oapi.GetUsersUserId200JSONResponse(mapUser(user)), nil
}

func sqlDate2oapi(p_date pgtype.Timestamptz) (time.Time, error) {
	return time.Time{}, nil
}

type SqlcUserStatus struct {
	dropped     string
	finished    string
	planned     string
	in_progress string
}

func UserTitleStatus2Sqlc(s *[]oapi.UserTitleStatus) (*SqlcUserStatus, error) {
	var sqlc_status SqlcUserStatus
	if s == nil {
		return &sqlc_status, nil
	}
	for _, t := range *s {
		switch t {
		case oapi.UserTitleStatusFinished:
			sqlc_status.finished = "finished"
		case oapi.UserTitleStatusDropped:
			sqlc_status.dropped = "dropped"
		case oapi.UserTitleStatusPlanned:
			sqlc_status.planned = "planned"
		case oapi.UserTitleStatusInProgress:
			sqlc_status.in_progress = "in-progress"
		default:
			return nil, fmt.Errorf("unexpected tittle status: %s", t)
		}
	}
	return &sqlc_status, nil
}

func (s Server) GetUsersUserIdTitles(ctx context.Context, request oapi.GetUsersUserIdTitlesRequestObject) (oapi.GetUsersUserIdTitlesResponseObject, error) {

	oapi_usertitles := make([]oapi.UserTitle, 0)

	word := Word2Sqlc(request.Params.Word)
	status, err := TitleStatus2Sqlc(request.Params.Status)
	if err != nil {
		log.Errorf("%v", err)
		return oapi.GetUsersUserIdTitles400Response{}, err
	}

	season, err := ReleaseSeason2sqlc(request.Params.ReleaseSeason)
	if err != nil {
		log.Errorf("%v", err)
		return oapi.GetUsersUserIdTitles400Response{}, err
	}

	// 	Forward       bool            `json:"forward"`
	// SortBy        string          `json:"sort_by"`
	// CursorYear    *int32          `json:"cursor_year"`
	// CursorID      *int64          `json:"cursor_id"`
	// CursorRating  *float64        `json:"cursor_rating"`
	// Word          *string         `json:"word"`
	// Ongoing       string          `json:"ongoing"`
	// Planned       string          `json:"planned"`
	// Dropped       string          `json:"dropped"`
	// InProgress    string          `json:"in-progress"`
	// Finished      string          `json:"finished"`
	// Rate          *int32          `json:"rate"`
	// Rating        *float64        `json:"rating"`
	// ReleaseYear   *int32          `json:"release_year"`
	// ReleaseSeason *ReleaseSeasonT `json:"release_season"`
	// Limit         *int32          `json:"limit"`
	params := sqlc.SearchTitlesParams{
		Word:          word,
		Ongoing:       status.ongoing,
		Finished:      status.finished,
		Planned:       status.planned,
		Rating:        request.Params.Rating,
		ReleaseYear:   request.Params.ReleaseYear,
		ReleaseSeason: season,
		Forward:       true,
		SortBy:        "id",
		Limit:         request.Params.Limit,
	}

	if request.Params.SortForward != nil {
		params.Forward = *request.Params.SortForward
	}
	if request.Params.Sort != nil {
		params.SortBy = string(*request.Params.Sort)
		if request.Params.Cursor != nil {
			err := ParseCursorInto(string(*request.Params.Sort), string(*request.Params.Cursor), &params)
			if err != nil {
				log.Errorf("%v", err)
				return oapi.GetTitles400Response{}, nil
			}
		}
	}

	_sqlc_title := sqlc.SearchTitlesRow{
		ID:                sqlc_title.ID,
		StudioID:          sqlc_title.StudioID,
		PosterID:          sqlc_title.PosterID,
		TitleStatus:       sqlc_title.TitleStatus,
		Rating:            sqlc_title.Rating,
		RatingCount:       sqlc_title.RatingCount,
		ReleaseYear:       sqlc_title.ReleaseYear,
		ReleaseSeason:     sqlc_title.ReleaseSeason,
		Season:            sqlc_title.Season,
		EpisodesAired:     sqlc_title.EpisodesAired,
		EpisodesAll:       sqlc_title.EpisodesAll,
		EpisodesLen:       sqlc_title.EpisodesLen,
		TitleStorageType:  sqlc_title.TitleStorageType,
		TitleImagePath:    sqlc_title.TitleImagePath,
		TagNames:          sqlc_title.TitleNames,
		StudioName:        sqlc_title.StudioName,
		StudioIllustID:    sqlc_title.StudioIllustID,
		StudioDesc:        sqlc_title.StudioDesc,
		StudioStorageType: sqlc_title.StudioStorageType,
		StudioImagePath:   sqlc_title.StudioImagePath,
	}

	return oapi.GetUsersUserIdTitles200JSONResponse(userTitles), nil
}