package agentserver

import "strings"

// RoleAllowed 判断用户是否可以使用新助手：allowedCSV 为空表示所有登录用户
func RoleAllowed(userRoles []string, allowedCSV string) bool {
	allowed := splitCSV(allowedCSV)
	if len(allowed) == 0 {
		return true
	}
	for _, a := range allowed {
		for _, r := range userRoles {
			if r == a {
				return true
			}
		}
	}
	return false
}

// SelectProfile 按角色选择 Profile：byRole 形如 "ops:prf_a,admin:prf_b"，
// 按配置顺序取第一个用户拥有的角色；都不命中时返回 def（可为空，表示 API Key 的默认 Profile）
func SelectProfile(userRoles []string, byRole, def string) string {
	for _, item := range splitCSV(byRole) {
		role, profile, ok := strings.Cut(item, ":")
		role, profile = strings.TrimSpace(role), strings.TrimSpace(profile)
		if !ok || role == "" || profile == "" {
			continue
		}
		for _, r := range userRoles {
			if r == role {
				return profile
			}
		}
	}
	return strings.TrimSpace(def)
}

func splitCSV(s string) []string {
	var out []string
	for _, p := range strings.Split(s, ",") {
		if p = strings.TrimSpace(p); p != "" {
			out = append(out, p)
		}
	}
	return out
}