package builder

type File struct {
	Source      string `json:"src"`
	Destination string `json:"dest"`
	Owner       string `json:"owner"`
	Group       string `json:"group"`
	Mode        int    `json:"mode"`
}

type AdditionalFilesConfig struct {
	FileVars
	FilesAnsibleConfig
}

type FileVars struct {
	AdditionalFiles     string `json:"additional_files"`
	AdditionalFilesList []File `json:"additional_files_list"`
}

type FilesAnsibleConfig struct {
	AnsibleExtraVars string `json:"ansible_extra_vars"`
	CustomRole       string `json:"custom_role"`
	CustomRoleNames  string `json:"custom_role_names"`
}

type AdditionalFiles interface {
	ProcessAdditionalFiles()
}

func (afc *AdditionalFilesConfig) ProcessAdditionalFiles() {
	if len(afc.FileVars.AdditionalFilesList) != 0 {
		afc.FileVars.AdditionalFiles = "true"
		afc.FilesAnsibleConfig.CustomRole = "true"
	}
}

func SameFilesProvided(a, b []File) bool {
	if len(a) != len(b) {
		return false
	}

	m := make(map[File]int, len(a))
	for _, v := range a {
		m[v]++
	}
	for _, v := range b {
		if _, ok := m[v]; !ok {
			return false
		}
		m[v] -= 1
		if m[v] == 0 {
			delete(m, v)
		}
	}
	return len(m) == 0
}