package web

import (
	"strings"
	"testing"

	"gitgud.io/mike/mpv-manager/pkg/config"
	"gitgud.io/mike/mpv-manager/pkg/installer"
	"gitgud.io/mike/mpv-manager/pkg/platform"
)

// TestLogsAndConfigTemplatesRender executes the "logs" and "config" page
// templates with the data types used by their handlers, failing if Go
// template evaluation errors leak into the rendered HTML.
func TestLogsAndConfigTemplatesRender(t *testing.T) {
	p := platform.Detect()
	cfg, _ := config.Load()
	releaseInfo := installer.ReleaseInfo{}
	inst := installer.NewInstaller(releaseInfo, config.GetInstallPath())
	server := NewServer(p, cfg, inst, &releaseInfo)

	t.Run("logs", func(t *testing.T) {
		var sb strings.Builder
		err := server.templates.ExecuteTemplate(&sb, "logs", logsPageData{
			DashboardData: DashboardData{Title: "Logs"},
			LogFilePath:   "/tmp/mpv-manager.log",
			DebugMode:     true,
			VerboseMode:   false,
		})
		if err != nil {
			t.Fatalf("logs template execution failed: %v", err)
		}
		out := sb.String()
		if strings.Contains(out, "can't evaluate") {
			t.Errorf("template evaluation error leaked into output: %s", out)
		}
		if !strings.Contains(out, "/tmp/mpv-manager.log") {
			t.Errorf("expected log file path in output")
		}
		if !strings.Contains(out, "Debug") {
			t.Errorf("expected Debug log level in output")
		}
	})

	t.Run("config", func(t *testing.T) {
		var sb strings.Builder
		err := server.templates.ExecuteTemplate(&sb, "config", configPageData{
			DashboardData: DashboardData{
				Title:         "Config",
				ConfigBackups: []ConfigBackup{{Filename: "b.conf", CreatedDate: "2026-01-02 00:00:00", FilePath: "/tmp/b.conf"}},
				Config:        &ConfigSettings{ConfigFile: "/tmp/mpv.conf"},
			},
			ConfigBackupDir: "/tmp/conf_backups",
			BackupList: buildConfigBackupsListData(
				[]ConfigBackup{{Filename: "b.conf", CreatedDate: "2026-01-02 00:00:00", FilePath: "/tmp/b.conf"}},
				"",
				0,
			),
		})
		if err != nil {
			t.Fatalf("config template execution failed: %v", err)
		}
		out := sb.String()
		if strings.Contains(out, "can't evaluate") {
			t.Errorf("template evaluation error leaked into output: %s", out)
		}
		if !strings.Contains(out, "/tmp/mpv.conf") || !strings.Contains(out, "/tmp/conf_backups") {
			t.Errorf("expected real config and backup paths in output")
		}
		if !strings.Contains(out, "b.conf") {
			t.Errorf("expected backup list partial content in output")
		}
	})
}