// Copyright 2022 Harness Inc. All rights reserved.
// Use of this source code is governed by the Polyform Free Trial License
// that can be found in the LICENSE.md file for this repository.

package githook

import (
	"context"
	"fmt"

	"github.com/harness/gitness/internal/auth"
	"github.com/harness/gitness/types/enum"
)

// PreReceiveInput represents the input of the pre-receive git hook.
type PreReceiveInput struct {
	BaseInput
	// RefUpdates contains all references that are being updated as part of the git operation.
	RefUpdates []ReferenceUpdate `json:"ref_updates"`
}

// PreReceive executes the pre-receive hook for a git repository.
func (c *Controller) PreReceive(
	ctx context.Context,
	session *auth.Session,
	in *PreReceiveInput,
) (*ServerHookOutput, error) {
	if in == nil {
		return nil, fmt.Errorf("input is nil")
	}

	_, err := c.getRepoCheckAccess(ctx, session, in.RepoID, enum.PermissionRepoEdit)
	if err != nil {
		return nil, err
	}

	// TODO: Branch Protection, Block non-brach/tag refs (?), ...

	return &ServerHookOutput{}, nil
}