//go:build windows

package main

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

func TestNewLaunchClearsLogAndPreviousArchive(t *testing.T) {
	path := filepath.Join(t.TempDir(), "autopriority.log")
	for _, p := range []string{path, path + ".1"} {
		if err := os.WriteFile(p, []byte("PREVIOUS SESSION\n"), 0600); err != nil {
			t.Fatal(err)
		}
	}
	w, err := openRotatingLog(path, 256)
	if err != nil {
		t.Fatal(err)
	}
	defer w.Close()
	data, err := os.ReadFile(path)
	if err != nil || len(data) != 0 {
		t.Fatal("new session retained the previous log")
	}
	if _, err = os.Stat(path + ".1"); !os.IsNotExist(err) {
		t.Fatal("previous-session archive retained")
	}
	if err = w.Write("CURRENT SESSION\n"); err != nil {
		t.Fatal(err)
	}
	if err = w.Close(); err != nil {
		t.Fatal(err)
	}
	data, err = os.ReadFile(path)
	if err != nil || string(data) != "CURRENT SESSION\n" {
		t.Fatal("wrong current-session log")
	}
}

func TestDeniedProcessNotRetriedUntilNewInstance(t *testing.T) {
	f := newFake()
	p := f.add(10, 150, PriorityClassNormal)
	p.writable = false
	c := testController(f)
	defer c.Shutdown()
	if r := c.Step(); len(r.Errors) != 1 {
		t.Fatal("missing initial denial")
	}
	p.writable = true
	c.now = func() time.Time { return time.Unix(100000, 0) }
	if r := c.Step(); len(r.Errors) != 0 {
		t.Fatal("repeated denial")
	}
	assertPriority(t, p, PriorityClassNormal)
	p.info.Prio = PriorityClassBelowNormal
	p.info.RSS = 250
	c.Step()
	assertPriority(t, p, PriorityClassBelowNormal)
	if p.writes != 0 {
		t.Fatal("blocked instance was written again")
	}
	p.alive = false
	replacement := f.add(10, 150, PriorityClassNormal)
	delete(f.procs, replacement.info.Key)
	replacement.info.Key.Created++
	f.procs[replacement.info.Key] = replacement
	c.Step()
	assertPriority(t, replacement, PriorityClassHigh)
	c.Shutdown()
	assertPriority(t, replacement, PriorityClassNormal)
	assertClosed(t, f)
}

func TestErrorsAreOneSeparateTableWithoutRetryLines(t *testing.T) {
	f := newFake()
	a := f.add(4, 150, PriorityClassNormal)
	a.info.Name = "System"
	a.writable = false
	b := f.add(148, 150, PriorityClassNormal)
	b.info.Name = "Registry"
	b.writable = false
	c := testController(f)
	defer c.Shutdown()
	text := formatReport(c.Step(), time.Unix(0, 0))
	if !strings.Contains(text, "Описание ошибки") || strings.Contains(text, "ОШИБКА:") || strings.Contains(text, "повтор") {
		t.Fatal("errors must be a table without retry lines", text)
	}
	for _, name := range []string{"System", "Registry"} {
		if strings.Count(text, name) != 1 {
			t.Fatal("duplicated or missing process", name, text)
		}
		for _, line := range strings.Split(text, "\n") {
			if strings.Contains(line, name) && !strings.HasPrefix(line, "|") {
				t.Fatal("process outside error table", line)
			}
		}
	}
}