// This file is part of arduino-cli.
//
// Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of arduino-cli.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to
// modify or otherwise use the software for commercial activities involving the
// Arduino software without disclosing the source code of your own applications.
// To purchase a commercial license, send an email to license@arduino.cc.

package core

import (
	"context"
	"fmt"

	"github.com/arduino/arduino-cli/arduino"
	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
	"github.com/arduino/arduino-cli/commands"
	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
)

// PlatformInstall FIXMEDOC
func PlatformInstall(ctx context.Context, req *rpc.PlatformInstallRequest, downloadCB rpc.DownloadProgressCB, taskCB rpc.TaskProgressCB) (*rpc.PlatformInstallResponse, error) {
	install := func() error {
		pme, release := commands.GetPackageManagerExplorer(req)
		if pme == nil {
			return &arduino.InvalidInstanceError{}
		}
		defer release()

		version, err := commands.ParseVersion(req)
		if err != nil {
			return &arduino.InvalidVersionError{Cause: err}
		}

		ref := &packagemanager.PlatformReference{
			Package:              req.PlatformPackage,
			PlatformArchitecture: req.Architecture,
			PlatformVersion:      version,
		}
		platformRelease, tools, err := pme.FindPlatformReleaseDependencies(ref)
		if err != nil {
			return &arduino.PlatformNotFoundError{Platform: ref.String(), Cause: err}
		}

		// Prerequisite checks before install
		if platformRelease.IsInstalled() {
			taskCB(&rpc.TaskProgress{Name: tr("Platform %s already installed", platformRelease), Completed: true})
			return nil
		}

		if req.GetNoOverwrite() {
			if installed := pme.GetInstalledPlatformRelease(platformRelease.Platform); installed != nil {
				return fmt.Errorf("%s: %s",
					tr("Platform %s already installed", installed),
					tr("could not overwrite"))
			}
		}

		if err := pme.DownloadAndInstallPlatformAndTools(platformRelease, tools, downloadCB, taskCB, req.GetSkipPostInstall()); err != nil {
			return err
		}

		return nil
	}

	if err := install(); err != nil {
		return nil, err
	}
	if err := commands.Init(&rpc.InitRequest{Instance: req.Instance}, nil); err != nil {
		return nil, err
	}
	return &rpc.PlatformInstallResponse{}, nil
}
