package api

import (
	"context"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
	"testing"
	"time"
)

func TestRuntimePrestart(t *testing.T) {
	for _, status := range []string{"0", "23", "124", "137", "empty"} {
		t.Run(status, func(t *testing.T) {
			dir := t.TempDir()
			if status != "empty" {
				if err := os.MkdirAll(filepath.Join(dir, "profiles/web"), 0700); err != nil {
					t.Fatal(err)
				}
				if err := os.WriteFile(filepath.Join(dir, "profiles/web/package.json"), []byte("{}"), 0600); err != nil {
					t.Fatal(err)
				}
			}
			scripts := map[string]string{
				"node": "#!/bin/bash\nexit 0\n",
				"timeout": `#!/bin/bash
printf "timeout %s\n" "$*" >> "$TRACE"
test "$1 $2 $3" = "--signal=TERM --kill-after=5s 120s" || exit 90
shift 3
exec "$@"
`,
				"dsh": `#!/bin/bash
printf "dsh %s\n" "$*" >> "$TRACE"
test "$npm_config_ignore_scripts:$npm_config_ignore_pnpmfile" = true:true || exit 91
if [ "$1" = plugin ]; then
 test "$*" = "plugin --profile web install --ignore-scripts" || exit 92
 exit "$PLUGIN_STATUS"
fi
exit 0
`,
				"caddy": "#!/bin/bash\necho caddy >> \"$TRACE\"\nsleep 0.1\n",
			}
			for name, script := range scripts {
				if err := os.WriteFile(filepath.Join(dir, name), []byte(script), 0700); err != nil {
					t.Fatal(err)
				}
			}
			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
			defer cancel()
			cmd := exec.CommandContext(ctx, "bash", "../../image/entrypoint.sh", "web", "--no-open", "--port", "3080")
			cmd.Env = append(os.Environ(), "PATH="+dir+":"+os.Getenv("PATH"), "DSH_HOME="+dir, "TRACE="+filepath.Join(dir, "trace"), "PLUGIN_STATUS="+status)
			output, err := cmd.CombinedOutput()
			data, readErr := os.ReadFile(filepath.Join(dir, "trace"))
			if readErr != nil {
				t.Fatal(readErr)
			}
			trace := string(data)
			if status == "empty" {
				if err != nil || strings.Contains(trace, "plugin") || !strings.Contains(trace, "dsh web") {
					t.Fatalf("%v: %s: %s", err, trace, output)
				}
				return
			}
			if !strings.Contains(trace, "dsh plugin --profile web install --ignore-scripts") {
				t.Fatal(trace)
			}
			if status == "0" {
				if err != nil || !strings.Contains(string(output), "reconciliation complete") {
					t.Fatalf("%v: %s", err, output)
				}
				if !strings.Contains(trace, "dsh web") {
					t.Fatal(trace)
				}
			} else {
				if err == nil || !strings.Contains(string(output), "failed (exit "+status+")") {
					t.Fatalf("%v: %s", err, output)
				}
				if strings.Contains(trace, "caddy") || strings.Contains(trace, "dsh web") {
					t.Fatalf("application started after failure: %s", trace)
				}
			}
		})
	}
}

func TestRuntimePNPMPinned(t *testing.T) {
	data, err := os.ReadFile("../../image/Dockerfile")
	if err != nil {
		t.Fatal(err)
	}
	for _, required := range []string{"pnpm@10.11.0", `test "$(pnpm --version)" = "10.11.0"`, "USER node", `"/usr/bin/tini", "-g"`} {
		if !strings.Contains(string(data), required) {
			t.Errorf("missing %s", required)
		}
	}
}