package deploy

import (
	"fmt"
	"github.com/drone/drone/pkg/build/buildfile"
)

type Tsuru struct {
	Force  bool   `yaml:"force,omitempty"`
	Branch string `yaml:"branch,omitempty"`
	Remote string `yaml:"remote,omitempty"`
}

func (h *Tsuru) Write(f *buildfile.Buildfile) {
	// get the current commit hash
	f.WriteCmdSilent("COMMIT=$(git rev-parse HEAD)")

	// set the git user and email based on the individual
	// that made the commit.
	f.WriteCmdSilent("git config --global user.name $(git --no-pager log -1 --pretty=format:'%an')")
	f.WriteCmdSilent("git config --global user.email $(git --no-pager log -1 --pretty=format:'%ae')")

	// add tsuru as a git remote
	f.WriteCmd(fmt.Sprintf("git remote add tsuru %s", h.Remote))

	switch h.Force {
	case true:
		// this is useful when the there are artifacts generated
		// by the build script, such as less files converted to css,
		// that need to be deployed to Tsuru.
		f.WriteCmd(fmt.Sprintf("git add -A"))
		f.WriteCmd(fmt.Sprintf("git commit -m 'adding build artifacts'"))
		f.WriteCmd(fmt.Sprintf("git push tsuru $COMMIT:master --force"))
	case false:
		// otherwise we just do a standard git push
		f.WriteCmd(fmt.Sprintf("git push tsuru $COMMIT:master"))
	}
}