package config

import (
	"strings"
	"testing"
)

func prodCfg() *Config {
	c := &Config{Env: "production"}
	c.JWT.Secret = "a-real-random-secret-not-the-default"
	c.Master = "0123456789abcdef0123456789abcdef"
	c.AdminPassword = "strong-enough-password"
	return c
}

func TestValidateProduction(t *testing.T) {
	if err := prodCfg().validate(); err != nil {
		t.Fatalf("配齐密钥应通过：%v", err)
	}

	cases := []struct {
		name   string
		mutate func(*Config)
		want   string
	}{
		{"默认 jwt secret", func(c *Config) { c.JWT.Secret = "dev-only-secret-change-me" }, "OT_JWT_SECRET"},
		{"空 jwt secret", func(c *Config) { c.JWT.Secret = "" }, "OT_JWT_SECRET"},
		{"缺失 master key", func(c *Config) { c.Master = "" }, "OT_MASTER_KEY"},
		{"过短 master key", func(c *Config) { c.Master = "short" }, "OT_MASTER_KEY"},
		{"默认管理员密码", func(c *Config) { c.AdminPassword = "admin123" }, "OT_ADMIN_PASSWORD"},
		{"未设管理员密码", func(c *Config) { c.AdminPassword = "" }, "OT_ADMIN_PASSWORD"},
	}
	for _, tc := range cases {
		c := prodCfg()
		tc.mutate(c)
		err := c.validate()
		if err == nil {
			t.Fatalf("%s：应被拒绝", tc.name)
		}
		if !strings.Contains(err.Error(), tc.want) {
			t.Fatalf("%s：报错应点名 %s，实际 %v", tc.name, tc.want, err)
		}
	}

	// 多项同时缺失要一次全说清，别让人改一个试一个
	c := prodCfg()
	c.JWT.Secret = ""
	c.Master = ""
	err := c.validate()
	if err == nil || !strings.Contains(err.Error(), "OT_JWT_SECRET") || !strings.Contains(err.Error(), "OT_MASTER_KEY") {
		t.Fatalf("应一次列出全部问题：%v", err)
	}

	// 开发环境不拦（本地跑默认值就是设计如此）
	dev := prodCfg()
	dev.Env = "development"
	dev.JWT.Secret = "dev-only-secret-change-me"
	dev.Master = ""
	dev.AdminPassword = "admin123"
	if err := dev.validate(); err != nil {
		t.Fatalf("development 不应拦截：%v", err)
	}
}

func TestSplitList(t *testing.T) {
	if got := splitList(""); got != nil {
		t.Fatalf("空串应为 nil，实际 %v", got)
	}
	if got := splitList(" , ,, "); got != nil {
		t.Fatalf("纯分隔符应为 nil，实际 %v", got)
	}
	got := splitList("https://a.com, https://b.com ,,http://c.com")
	if len(got) != 3 || got[0] != "https://a.com" || got[2] != "http://c.com" {
		t.Fatalf("解析错误：%v", got)
	}
}