/*
Copyright 2021 The KodeRover Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package mongodb

import (
	"context"
	"errors"
	"time"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"

	"github.com/koderover/zadig/pkg/microservice/aslan/config"
	"github.com/koderover/zadig/pkg/microservice/aslan/core/common/repository/models"
	mongotool "github.com/koderover/zadig/pkg/tool/mongo"
)

type DeliveryDistributeArgs struct {
	ID             string                `json:"id"`
	ReleaseID      string                `json:"releaseId"`
	ServiceName    string                `json:"serviceName"`
	ChartName      string                `json:"chartName"`
	DistributeType config.DistributeType `json:"distributeType"`
}

type DeliveryDistributeColl struct {
	*mongo.Collection

	coll string
}

func NewDeliveryDistributeColl() *DeliveryDistributeColl {
	name := models.DeliveryDistribute{}.TableName()
	return &DeliveryDistributeColl{
		Collection: mongotool.Database(config.MongoDatabase()).Collection(name),
		coll:       name,
	}
}

func (c *DeliveryDistributeColl) GetCollectionName() string {
	return c.coll
}

func (c *DeliveryDistributeColl) EnsureIndex(ctx context.Context) error {
	mod := []mongo.IndexModel{
		{
			Keys: bson.D{
				bson.E{Key: "release_id", Value: 1},
				bson.E{Key: "service_name", Value: 1},
				bson.E{Key: "chart_name", Value: 1},
				bson.E{Key: "deleted_at", Value: 1},
			},
			Options: options.Index().SetUnique(false),
		},
		{
			Keys: bson.D{
				bson.E{Key: "release_id", Value: 1},
				bson.E{Key: "deleted_at", Value: 1},
			},
			Options: options.Index().SetUnique(false),
		},
	}

	_, err := c.Indexes().CreateMany(ctx, mod)

	return err
}

func (c *DeliveryDistributeColl) Delete(releaseID string) error {
	oid, err := primitive.ObjectIDFromHex(releaseID)
	if err != nil {
		return err
	}
	query := bson.M{"release_id": oid, "deleted_at": 0}

	change := bson.M{"$set": bson.M{
		"deleted_at": time.Now().Unix(),
	}}

	_, err = c.UpdateMany(context.TODO(), query, change)
	return err
}

func (c *DeliveryDistributeColl) Insert(args *models.DeliveryDistribute) error {
	if args == nil {
		return errors.New("nil delivery_distribute args")
	}

	_, err := c.InsertOne(context.TODO(), args)
	return err
}

func (c *DeliveryDistributeColl) Find(args *DeliveryDistributeArgs) ([]*models.DeliveryDistribute, error) {
	if args == nil {
		return nil, errors.New("nil delivery_distribute args")
	}
	resp := make([]*models.DeliveryDistribute, 0)
	releaseID, err := primitive.ObjectIDFromHex(args.ReleaseID)
	if err != nil {
		return nil, err
	}
	query := bson.M{"release_id": releaseID, "deleted_at": 0}

	if len(args.DistributeType) > 0 {
		query["distribute_type"] = string(args.DistributeType)
	}
	if len(args.ChartName) > 0 {
		query["chart_name"] = args.ChartName
	}
	cursor, err := c.Collection.Find(context.TODO(), query)
	if err != nil {
		return nil, err
	}
	err = cursor.All(context.TODO(), &resp)
	if err != nil {
		return nil, err
	}
	return resp, nil
}
