package model

import (
	"context"

	"forge.cadoles.com/Cadoles/daddy/internal/voter"
)

type WorkgroupVoter struct {
}

func (v *WorkgroupVoter) Vote(ctx context.Context, subject interface{}, obj interface{}, act interface{}) (voter.Decision, error) {
	user, ok := subject.(*User)
	if !ok {
		return voter.Abstain, nil
	}

	workgroup, ok := obj.(*Workgroup)
	if !ok {
		return voter.Abstain, nil
	}

	action, ok := act.(Action)
	if !ok {
		return voter.Abstain, nil
	}

	switch action {
	case ActionCreate:
		return voter.Allow, nil
	case ActionRead:
		return voter.Allow, nil
	case ActionJoin:
		return voter.Allow, nil
	case ActionLeave:
		fallthrough
	case ActionUpdate:
		fallthrough
	case ActionClose:
		if inWorkgroup(user, workgroup) {
			return voter.Allow, nil
		} else {
			return voter.Deny, nil
		}
	case ActionDelete:
		return voter.Deny, nil
	}

	return voter.Abstain, nil
}

func NewWorkgroupVoter() *WorkgroupVoter {
	return &WorkgroupVoter{}
}