package database

import (
	"context"
	"errors"
	otterError "git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/error"
	"git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/models"
	"gorm.io/gorm"
)

func CreateUserSource(ctx context.Context, userSource models.UserSource) (models.UserSource, error) {
	if client == nil {
		return models.UserSource{}, &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	result := client.WithContext(ctx).Create(&userSource)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
			return models.UserSource{}, &otterError.Database{Reason: otterError.DuplicateKey}
		}
		return models.UserSource{}, result.Error
	}

	return userSource, nil
}

func UpdateUserSource(ctx context.Context, userSource models.UserSource) error {
	if client == nil {
		return &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	if len(userSource.ID) == 0 {
		return &otterError.EntityValidationFailed{Reason: otterError.UserSourceIDIsEmpty}
	}

	updatedUserSource := models.UserSource{
		BaseModel: models.BaseModel[models.UserSourceID]{
			ID: userSource.ID,
		},
		ScrapeTimeInterval: userSource.ScrapeTimeInterval,
		AccountUsername:    userSource.AccountUsername,
		AccountID:          userSource.AccountID,
		LastScrapeTime:     userSource.LastScrapeTime,
		AccountValidate:    userSource.AccountValidate,
	}

	result := client.WithContext(ctx).Updates(&updatedUserSource)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
			return &otterError.Database{Reason: otterError.DuplicateKey}
		}
		return result.Error
	}

	return nil
}

func GetUserSourceByID(ctx context.Context, id models.UserSourceID) (models.UserSource, error) {
	var user models.UserSource

	if client == nil {
		return models.UserSource{}, &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	if len(id) == 0 {
		return models.UserSource{}, &otterError.EntityValidationFailed{Reason: otterError.UserSourceIDIsEmpty}
	}

	if len(id) != 25 {
		return models.UserSource{}, &otterError.EntityValidationFailed{Reason: otterError.UserSourceIDToShort}
	}

	result := client.WithContext(ctx).First(&user, "id = ?", id)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			return models.UserSource{}, &otterError.Database{Reason: otterError.NoDataFound}
		}
		return models.UserSource{}, result.Error
	}

	return user, nil
}

func DeleteUserSource(ctx context.Context, id models.UserSourceID) error {
	var user models.UserSource

	if client == nil {
		return &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	if len(id) == 0 {
		return &otterError.EntityValidationFailed{Reason: otterError.UserSourceIDIsEmpty}
	}

	if len(id) != 25 {
		return &otterError.EntityValidationFailed{Reason: otterError.UserSourceIDToShort}
	}

	result := client.WithContext(ctx).Delete(&user, id)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			return &otterError.Database{Reason: otterError.NoDataFound}
		}
		return result.Error
	}

	return nil
}