package main

import (
	"bytes"
	"encoding/json"
	"strings"
	"testing"
)

func TestRunVersionJSON(t *testing.T) {
	var stdout bytes.Buffer
	var stderr bytes.Buffer

	if err := runWithIO(t.Context(), []string{"version", "-json"}, &stdout, &stderr); err != nil {
		t.Fatalf("runWithIO() error = %v; stderr = %s", err, stderr.String())
	}

	var output versionOutput
	if err := json.Unmarshal(stdout.Bytes(), &output); err != nil {
		t.Fatalf("parse JSON: %v", err)
	}
	if output.GatewayProtocolVersion == 0 || output.WorkerProtocolVersion == 0 {
		t.Fatalf("protocol versions were not populated: %+v", output)
	}
}

func TestCommonOptionsRedactsAPIKey(t *testing.T) {
	options, err := (&commonOptions{
		Endpoint:    "localhost:5000",
		APIKey:      "mxgw_super_secret",
		Plaintext:   true,
		CallTimeout: "2s",
	}).resolved()
	if err != nil {
		t.Fatalf("resolved() error = %v", err)
	}

	data, err := json.Marshal(options)
	if err != nil {
		t.Fatalf("marshal options: %v", err)
	}
	if strings.Contains(string(data), "super_secret") {
		t.Fatalf("redacted JSON leaked API key: %s", data)
	}
	if !strings.Contains(string(data), "mxgw") {
		t.Fatalf("redacted JSON did not preserve key shape: %s", data)
	}
}

func TestRunBatchEmitsEORAfterVersion(t *testing.T) {
	var stdout bytes.Buffer
	var stderr bytes.Buffer

	in := strings.NewReader("version --json\n")
	if err := runBatch(t.Context(), in, &stdout, &stderr); err != nil {
		t.Fatalf("runBatch() error = %v; stderr = %s", err, stderr.String())
	}

	out := stdout.String()
	if !strings.Contains(out, "\n"+batchEOR+"\n") && !strings.HasSuffix(out, batchEOR+"\n") {
		t.Fatalf("expected EOR marker %q in stdout; got: %q", batchEOR, out)
	}

	idx := strings.Index(out, batchEOR)
	if idx <= 0 {
		t.Fatalf("EOR marker not found or appeared before any output: %q", out)
	}
	payload := out[:idx]
	var output versionOutput
	if err := json.Unmarshal([]byte(payload), &output); err != nil {
		t.Fatalf("parse JSON block before EOR: %v (payload=%q)", err, payload)
	}
	if output.GatewayProtocolVersion == 0 || output.WorkerProtocolVersion == 0 {
		t.Fatalf("protocol versions were not populated: %+v", output)
	}
}

func TestParseValueBuildsTypedValue(t *testing.T) {
	value, err := parseValue("int32", "123")
	if err != nil {
		t.Fatalf("parseValue() error = %v", err)
	}
	if got := value.GetInt32Value(); got != 123 {
		t.Fatalf("int32 value = %d, want 123", got)
	}
}