package config

import (
	"testing"
	"time"
)

func TestDefaultsAndOverrides(t *testing.T) {
	c, err := Load()
	if err != nil {
		t.Fatal(err)
	}
	if c.Addr != "127.0.0.1:8080" {
		t.Fatalf("default addr = %q; a control plane must not bind the world by default", c.Addr)
	}
	if c.Migrate {
		t.Fatal("migrations must be opt-in")
	}

	t.Setenv("TM_PLATFORM_ADDR", ":9000")
	t.Setenv("TM_PLATFORM_SESSION_IDLE", "30m")
	t.Setenv("TM_PLATFORM_TRUSTED_ORIGINS", "https://app.example.org, https://desktop.example.org ")
	c, err = Load()
	if err != nil {
		t.Fatal(err)
	}
	if c.Addr != ":9000" || c.SessionIdleTTL != 30*time.Minute {
		t.Fatalf("config = %+v", c)
	}
	if len(c.TrustedOrigins) != 2 || c.TrustedOrigins[1] != "https://desktop.example.org" {
		t.Fatalf("origins = %q", c.TrustedOrigins)
	}
}

func TestImpossibleSessionWindowIsRefusedAtBoot(t *testing.T) {
	t.Setenv("TM_PLATFORM_SESSION_IDLE", "100h")
	t.Setenv("TM_PLATFORM_SESSION_MAX_AGE", "1h")
	if _, err := Load(); err == nil {
		t.Fatal("an idle window longer than the absolute one must fail at boot, not at 3am")
	}
}

func TestMalformedDurationIsRefused(t *testing.T) {
	t.Setenv("TM_PLATFORM_SESSION_IDLE", "fortnight")
	if _, err := Load(); err == nil {
		t.Fatal("want a parse error")
	}
}