package database

import (
	"context"
	"errors"

	"git.anthrove.art/Anthrove/otter-space-sdk/v4/internal/utils"
	otterError "git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/error"
	"git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/models"
	log "github.com/sirupsen/logrus"
	"go.opentelemetry.io/otel/attribute"
	"gorm.io/gorm"
)

func CreatePoolReference(ctx context.Context, poolID models.PoolID, sourceID models.SourceID, url string) (models.PoolReference, error) {
	ctx, span, localLogger := utils.SetupTracing(ctx, tracer, "CreatePoolReference")
	defer span.End()

	localLogger = localLogger.WithFields(log.Fields{
		"pool_id":   poolID,
		"source_id": sourceID,
	})

	span.SetAttributes(
		attribute.String("pool_id", string(poolID)),
		attribute.String("source_id", string(sourceID)),
	)

	utils.HandleEvent(span, localLogger, "Starting poolReference creation")

	if client == nil {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.Database{Reason: otterError.DatabaseIsNotConnected})
	}

	if len(poolID) == 0 {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.PoolIDIsEmpty})
	}

	if len(poolID) != 25 {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.PoolIDIsWrongLength})
	}

	if len(sourceID) == 0 {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.SourceIDIsEmpty})
	}

	if len(sourceID) != 25 {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.SourceIDIsWrongLength})
	}

	if url == "" {
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.PoolURLIsEmpty})
	}

	poolReference := models.PoolReference{
		PoolID:   poolID,
		SourceID: sourceID,
		URL:      url,
	}

	result := client.WithContext(ctx).Create(&poolReference)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
			return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, &otterError.Database{Reason: otterError.DuplicateKey})
		}
		return models.PoolReference{}, utils.HandleError(ctx, span, localLogger, result.Error)
	}

	utils.HandleEvent(span, localLogger, "poolReference created successfully")
	return poolReference, nil
}

func DeletePoolReference(ctx context.Context, poolID models.PoolID, sourceID models.SourceID) error {
	ctx, span, localLogger := utils.SetupTracing(ctx, tracer, "DeletePoolReference")
	defer span.End()

	localLogger = localLogger.WithFields(log.Fields{
		"pool_id":   poolID,
		"source_id": sourceID,
	})

	span.SetAttributes(
		attribute.String("pool_id", string(poolID)),
		attribute.String("source_id", string(sourceID)),
	)

	utils.HandleEvent(span, localLogger, "Starting delete poolReference")

	var poolReference models.PoolReference

	if client == nil {
		return utils.HandleError(ctx, span, localLogger, &otterError.Database{Reason: otterError.DatabaseIsNotConnected})
	}

	if len(poolID) == 0 {
		return utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.PoolIDIsEmpty})
	}

	if len(poolID) == 0 {
		return utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.PostIDIsWrongLength})
	}

	if len(sourceID) == 0 {
		return utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.SourceIDIsEmpty})
	}

	if len(sourceID) != 25 {
		return utils.HandleError(ctx, span, localLogger, &otterError.EntityValidationFailed{Reason: otterError.SourceIDIsWrongLength})
	}

	result := client.WithContext(ctx).Delete(&poolReference, "pool_id = ? AND source_id = ?", poolID, sourceID)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			return utils.HandleError(ctx, span, localLogger, &otterError.Database{Reason: otterError.NoDataFound})
		}
		return utils.HandleError(ctx, span, localLogger, result.Error)
	}

	utils.HandleEvent(span, localLogger, "poolReference deleted successfully")
	return nil
}