package sdkserver

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"os"
	"strings"
	"testing"
)

func TestUnsupportedAndReadOnlyCommandsDoNotRewriteSave(t *testing.T) {
	chdirRepoRootSDK(t)
	beforeData, err := os.ReadFile("freesr-data.json")
	if err != nil {
		t.Fatal(err)
	}
	beforePersistent, err := os.ReadFile("persistent")
	if err != nil {
		t.Fatal(err)
	}
	for _, tc := range []struct {
		command string
		success bool
	}{
		{"/give 200001 100", false}, {"/heal", false}, {"/not_a_command", false}, {"/help", true},
	} {
		body, _ := json.Marshal(map[string]string{"command": tc.command})
		response := httptest.NewRecorder()
		apiCommand(response, httptest.NewRequest(http.MethodPost, "/api/command", strings.NewReader(string(body))))
		var result struct {
			Success bool   `json:"success"`
			Output  string `json:"output"`
		}
		if err := json.Unmarshal(response.Body.Bytes(), &result); err != nil {
			t.Fatal(err)
		}
		if result.Success != tc.success || result.Output == "" {
			t.Fatalf("%s: %+v", tc.command, result)
		}
	}
	afterData, _ := os.ReadFile("freesr-data.json")
	afterPersistent, _ := os.ReadFile("persistent")
	if !bytes.Equal(beforeData, afterData) || !bytes.Equal(beforePersistent, afterPersistent) {
		t.Fatal("read-only or unsupported command rewrote user data")
	}
}