package config

func LoadBootstrap(configPath, secretsPath string) (*Config, error) {
	return loadFile(configPath, secretsPath, false)
}

func LoadCandidate(origin string, data []byte, secretsPath string) (*Config, error) {
	cfg, problems := loadBytes(origin, data)
	return withSecrets(cfg, problems, secretsPath, true)
}

func CheckSecrets(cfg *Config, secretsPath string) (Secrets, error) {
	vars, problems := readSecrets(secretsPath)
	var secrets Secrets
	if len(problems) == 0 {
		secrets, problems = checkSecrets(secretsPath, vars, cfg, true)
	}
	if len(problems) > 0 {
		sortProblems(problems)
		return Secrets{}, &Error{Problems: problems}
	}
	return secrets, nil
}

func exactSet(file string, vars map[string]secretLine, req map[string]bool) []Problem {
	var problems []Problem
	for name := range req {
		if _, ok := vars[name]; !ok {
			problems = append(problems, Problem{File: file, Key: name, Reason: reasonSecretsMissing})
		}
	}
	for name, v := range vars {
		if !req[name] {
			problems = append(problems, Problem{File: file, Line: v.line, Key: name, Reason: reasonSecretsUnexpected})
		}
	}
	return problems
}

func (c *Config) SameSource(o *Config) bool {
	if c == nil || o == nil {
		return c == o
	}
	return c.Source == o.Source && c.ConfigGit.source() == o.ConfigGit.source()
}

func (g *ConfigGit) source() [4]string {
	if g == nil {
		return [4]string{}
	}
	return [4]string{g.Remote, g.Branch, g.AllowedSigners, g.KnownHosts}
}