package approve_former

import "fmt"

const signTemplate = `
[[- if .parallel -]] 
- name: [[ .name ]]
  template: approval
  [[- if .when ]]
  when: "[[ .when ]]"
  [[- end -]]
[[ else -]] 
- - name: [[ .name ]]
    template: approval
    [[- if .when ]]
    when: "[[ .when ]]"
    [[- end -]]
[[- end -]]
`

type Sign struct {
	Parallel bool // 如果为true,认为和上个节点并行执行,模板渲染为-。如果为false,和上个节点顺序执行，模板渲染为- -
	Name     string
}

func NewParallelSign(name string) *Sign {
	return &Sign{
		Parallel: true,
		Name:     name,
	}
}

func NewSequenceSign(name string) *Sign {
	return &Sign{
		Parallel: false,
		Name:     name,
	}
}

func (sign *Sign) GetWhen() string {
	return fmt.Sprintf(`{{ steps.%s.outputs.parameters.front-json }} == 通过`, sign.Name)
}

func (sign *Sign) Render(upperNode Noder) (string, error) {
	if upperNode == nil {
		return render("sign", signTemplate, map[string]any{
			"name": sign.Name,
		})
	}

	return render("sign", signTemplate, map[string]any{
		"parallel": sign.Parallel,
		"name":     sign.Name,
		"when":     upperNode.GetWhen(),
	})
}