package biz

import (
	"context"
	"time"

	"gitlab.guxuan.icu/jinshan_community/internal/mods/common/dal"
	"gitlab.guxuan.icu/jinshan_community/internal/mods/common/schema"
	"gitlab.guxuan.icu/jinshan_community/pkg/errors"
	"gitlab.guxuan.icu/jinshan_community/pkg/util"
)

// Defining the `MettingRoomOrder` business logic.
type MettingRoomOrder struct {
	Trans               *util.Trans
	MettingRoomOrderDAL *dal.MettingRoomOrder
}

// Query metting room orders from the data access object based on the provided parameters and options.
func (a *MettingRoomOrder) Query(ctx context.Context, params schema.MettingRoomOrderQueryParam) (*schema.MettingRoomOrderQueryResult, error) {
	params.Pagination = true

	result, err := a.MettingRoomOrderDAL.Query(ctx, params, schema.MettingRoomOrderQueryOptions{
		QueryOptions: util.QueryOptions{
			OrderFields: []util.OrderByParam{
				{Field: "created_at", Direction: util.DESC},
			},
		},
	})
	if err != nil {
		return nil, err
	}
	return result, nil
}

// Get the specified metting room order from the data access object.
func (a *MettingRoomOrder) Get(ctx context.Context, id string) (*schema.MettingRoomOrder, error) {
	mettingRoomOrder, err := a.MettingRoomOrderDAL.Get(ctx, id)
	if err != nil {
		return nil, err
	} else if mettingRoomOrder == nil {
		return nil, errors.NotFound("", "Metting room order not found")
	}
	return mettingRoomOrder, nil
}

// Create a new metting room order in the data access object.
func (a *MettingRoomOrder) Create(ctx context.Context, formItem *schema.MettingRoomOrderForm) (*schema.MettingRoomOrder, error) {
	mettingRoomOrder := &schema.MettingRoomOrder{}

	if err := formItem.FillTo(mettingRoomOrder); err != nil {
		return nil, err
	}

	err := a.Trans.Exec(ctx, func(ctx context.Context) error {
		if err := a.MettingRoomOrderDAL.Create(ctx, mettingRoomOrder); err != nil {
			return err
		}
		return nil
	})
	if err != nil {
		return nil, err
	}
	return mettingRoomOrder, nil
}

// Update the specified metting room order in the data access object.
func (a *MettingRoomOrder) Update(ctx context.Context, id string, formItem *schema.MettingRoomOrderForm) error {
	mettingRoomOrder, err := a.MettingRoomOrderDAL.Get(ctx, id)
	if err != nil {
		return err
	} else if mettingRoomOrder == nil {
		return errors.NotFound("", "Metting room order not found")
	}

	if err := formItem.FillTo(mettingRoomOrder); err != nil {
		return err
	}
	mettingRoomOrder.UpdatedAt = time.Now()

	return a.Trans.Exec(ctx, func(ctx context.Context) error {
		if err := a.MettingRoomOrderDAL.Update(ctx, mettingRoomOrder); err != nil {
			return err
		}
		return nil
	})
}

// Delete the specified metting room order from the data access object.
func (a *MettingRoomOrder) Delete(ctx context.Context, id string) error {
	exists, err := a.MettingRoomOrderDAL.Exists(ctx, id)
	if err != nil {
		return err
	} else if !exists {
		return errors.NotFound("", "Metting room order not found")
	}

	return a.Trans.Exec(ctx, func(ctx context.Context) error {
		if err := a.MettingRoomOrderDAL.Delete(ctx, id); err != nil {
			return err
		}
		return nil
	})
}