package main

import (
	"encoding/json"
	"os"
	"reflect"
	"sort"
	"strings"
	"testing"
)

func TestTheToolsServedAreTheToolsTheManifestNames(t *testing.T) {
	raw, err := os.ReadFile("../../module.json")
	if err != nil {
		t.Fatal(err)
	}
	var m struct {
		Tools []string `json:"tools"`
	}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	served := []string{}
	for _, tool := range tools(client(&fake{}, 1000)) {
		if !strings.HasPrefix(tool.Name, "docker_") || tool.Description == "" || tool.Run == nil {
			t.Errorf("tool %q", tool.Name)
		}
		served = append(served, tool.Name)
	}
	sort.Strings(served)
	listed := append([]string{}, m.Tools...)
	sort.Strings(listed)
	if !reflect.DeepEqual(served, listed) {
		t.Fatalf("served %v, manifest %v", served, listed)
	}
}

func TestNumbersAreDefaultedAndBounded(t *testing.T) {
	if n, _ := bounded(map[string]any{}, "lines", 200, 2000); n != 200 {
		t.Error(n)
	}
	if n, _ := bounded(map[string]any{"lines": float64(99999)}, "lines", 200, 2000); n != 2000 {
		t.Error(n)
	}
	for _, bad := range []any{float64(0), float64(-1), float64(1.5), "10"} {
		if _, err := bounded(map[string]any{"lines": bad}, "lines", 200, 2000); err == nil {
			t.Errorf("%v accepted", bad)
		}
	}
}

func TestAStopFromTheToolNeedsAContainer(t *testing.T) {
	for _, tool := range tools(client(&fake{}, 1000)) {
		if tool.Name == "docker_stop" {
			if _, err := tool.Run(map[string]any{}); err == nil {
				t.Fatal("a stop without a container was accepted")
			}
		}
	}
}