package meta

import (
	"encoding/json"
	"testing"

	"glchat/internal/config"
)

func TestNewBuildsMetaPayload(t *testing.T) {
	cfg := config.Config{
		Domain:        "gl.mhspx.su",
		FilesDomain:   "files.gl.mhspx.su",
		InstanceName:  "glchat",
		Version:       "v0.1.0",
		Commit:        "abc1234",
		BuildDate:     "2026-09-19T00:00:00Z",
		MaxUploadSize: 26214400,
	}

	resp := New(cfg)
	if resp.APIVersion != APIVersion {
		t.Errorf("APIVersion = %q, want %q", resp.APIVersion, APIVersion)
	}
	if resp.BaseURL != "https://gl.mhspx.su" {
		t.Errorf("BaseURL = %q", resp.BaseURL)
	}
	if resp.FilesURL != "https://files.gl.mhspx.su" {
		t.Errorf("FilesURL = %q", resp.FilesURL)
	}
	if resp.GatewayURL != "wss://gl.mhspx.su/gateway" {
		t.Errorf("GatewayURL = %q", resp.GatewayURL)
	}
	if resp.RTCPath != "/rtc" {
		t.Errorf("RTCPath = %q", resp.RTCPath)
	}
	if resp.Version != "v0.1.0" || resp.Commit != "abc1234" {
		t.Errorf("version metadata lost: %+v", resp)
	}
}

func TestJSONUsesSnakeCaseKeys(t *testing.T) {
	raw, err := json.Marshal(New(config.Config{Domain: "example.com", FilesDomain: "files.example.com"}))
	if err != nil {
		t.Fatalf("marshal meta: %v", err)
	}
	var decoded map[string]any
	if err := json.Unmarshal(raw, &decoded); err != nil {
		t.Fatalf("unmarshal meta: %v", err)
	}
	for _, key := range []string{"api_version", "base_url", "files_url", "gateway_url", "max_upload_size", "features"} {
		if _, ok := decoded[key]; !ok {
			t.Errorf("meta payload is missing key %q: %s", key, raw)
		}
	}
	features, ok := decoded["features"].(map[string]any)
	if !ok {
		t.Fatalf("features is not an object: %s", raw)
	}
	for _, key := range []string{"registration_enabled", "anti_bot_enabled", "voice_enabled", "web_push_enabled", "oauth_enabled", "passkeys_enabled"} {
		if _, ok := features[key]; !ok {
			t.Errorf("features is missing key %q", key)
		}
	}
}