package booking

import (
	"time"

	"cloud.o-forge.io/core/oc-lib/dbs"
	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
	"cloud.o-forge.io/core/oc-lib/logs"
	"cloud.o-forge.io/core/oc-lib/models/utils"
	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
	"cloud.o-forge.io/core/oc-lib/tools"
)

type bookingMongoAccessor struct {
	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
}

// New creates a new instance of the bookingMongoAccessor
func New(t tools.DataType, peerID string, groups []string, caller *tools.HTTPCaller) *bookingMongoAccessor {
	return &bookingMongoAccessor{
		AbstractAccessor: utils.AbstractAccessor{
			Logger: logs.CreateLogger(t.String()), // Create a logger with the data type
			Caller: caller,
			PeerID: peerID,
			Groups: groups, // Set the caller
			Type:   t.String(),
		},
	}
}

/*
* Nothing special here, just the basic CRUD operations
 */
func (wfa *bookingMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
	return wfa.GenericDeleteOne(id, wfa)
}

func (wfa *bookingMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
	return wfa.GenericUpdateOne(set, id, wfa, &Booking{})
}

func (wfa *bookingMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
	return wfa.GenericStoreOne(data, wfa)
}

func (wfa *bookingMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
	return wfa.GenericStoreOne(data, wfa)
}

func (wfa *bookingMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
	var workflow Booking
	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
	if err != nil {
		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
		return nil, code, err
	}
	res_mongo.Decode(&workflow)
	if workflow.State == workflow_execution.SCHEDULED && time.Now().UTC().After(*workflow.ExecDate) {
		workflow.State = workflow_execution.FORGOTTEN
		wfa.GenericRawUpdateOne(&workflow, id, wfa)
	}
	return &workflow, 200, nil
}

func (wfa *bookingMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
	objs := []utils.ShallowDBObject{}
	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
	if err != nil {
		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
		return nil, code, err
	}
	var results []Booking
	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
		return nil, 404, err
	}
	for _, r := range results {
		if r.State == workflow_execution.SCHEDULED && time.Now().UTC().After(*r.ExecDate) {
			r.State = workflow_execution.FORGOTTEN
			wfa.GenericRawUpdateOne(&r, r.UUID, wfa)
		}
		objs = append(objs, &r.AbstractObject) // Warning only AbstractObject is returned
	}
	return objs, 200, nil
}

// Search is a function that searches for a booking in the database
func (wfa *bookingMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
	objs := []utils.ShallowDBObject{}
	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
		filters = &dbs.Filters{
			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
			},
		}
	}
	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
	if err != nil {
		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
		return nil, code, err
	}
	var results []Booking
	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
		return nil, 404, err
	}
	for _, r := range results {
		if r.State == workflow_execution.SCHEDULED && time.Now().UTC().After(*r.ExecDate) {
			r.State = workflow_execution.FORGOTTEN
			wfa.GenericRawUpdateOne(&r, r.UUID, wfa)
		}
		objs = append(objs, &r)
	}
	return objs, 200, nil
}