package gui

import (
	"testing"
	"time"

	"huya-go/internal/logger"
)

func TestSplitCookieLinesNormalizesLineBreaks(t *testing.T) {
	tests := []struct {
		name  string
		input string
		want  []string
	}{
		{
			name:  "crlf_and_cr",
			input: "ck-a\r\nck-b\rck-c",
			want:  []string{"ck-a", "ck-b", "ck-c"},
		},
		{
			name:  "escaped_line_breaks",
			input: `ck-a\r\nck-b\rck-c\nck-d`,
			want:  []string{"ck-a", "ck-b", "ck-c", "ck-d"},
		},
		{
			name:  "slash_r_line_breaks",
			input: "ck-a/r/nck-b/rck-c/nck-d",
			want:  []string{"ck-a", "ck-b", "ck-c", "ck-d"},
		},
		{
			name:  "slash_n_only_is_preserved",
			input: "ck-a/nck-b",
			want:  []string{"ck-a/nck-b"},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			lines := splitCookieLines(tt.input)
			if len(lines) != len(tt.want) {
				t.Fatalf("len(splitCookieLines()) = %d, want %d", len(lines), len(tt.want))
			}
			for i, line := range lines {
				if line.text != tt.want[i] {
					t.Fatalf("line[%d] = %q, want %q", i, line.text, tt.want[i])
				}
			}
		})
	}
}

func TestParseAccountsRequiresExplicitSelection(t *testing.T) {
	cfg := Config{
		CookieText: "udb_uid=1; yyuid=1\nudb_uid=2; yyuid=2",
	}
	if _, err := parseAccounts(cfg); err == nil {
		t.Fatal("空选择不应回退为全部账号")
	}

	cfg.SelectedAccountLines = []int{2}
	accounts, err := parseAccounts(cfg)
	if err != nil {
		t.Fatalf("parseAccounts() error = %v", err)
	}
	if len(accounts) != 1 || accounts[0].UID != 2 {
		t.Fatalf("accounts=%+v, want 仅第 2 行账号", accounts)
	}
}

func TestDefaultConfigUsesWindowMode(t *testing.T) {
	cfg := (&App{}).DefaultConfig()
	if cfg.LeadMS != 0 {
		t.Fatalf("LeadMS=%d, want 0（动态提前量）", cfg.LeadMS)
	}
	if cfg.Concurrency != 2 {
		t.Fatalf("Concurrency=%d, want 2（降低多开时的请求洪峰）", cfg.Concurrency)
	}
	if !cfg.Prewarm {
		t.Fatal("Prewarm 应默认开启（提前 10 秒异步预热，不阻塞发令枪）")
	}
}

func TestParseStartTimeAcceptsClockOnly(t *testing.T) {
	t.Run("future_today", func(t *testing.T) {
		now := time.Date(2026, 7, 6, 10, 20, 30, 0, time.Local)
		got := nextClockTime(now, 12, 5, 6)
		want := time.Date(2026, 7, 6, 12, 5, 6, 0, time.Local)
		if !got.Equal(want) {
			t.Fatalf("nextClockTime() = %s, want %s", got, want)
		}
	})

	t.Run("past_tomorrow", func(t *testing.T) {
		now := time.Date(2026, 7, 6, 10, 20, 30, 0, time.Local)
		got := nextClockTime(now, 9, 5, 6)
		want := time.Date(2026, 7, 7, 9, 5, 6, 0, time.Local)
		if !got.Equal(want) {
			t.Fatalf("nextClockTime() = %s, want %s", got, want)
		}
	})

	t.Run("parse_hms", func(t *testing.T) {
		got, err := parseStartTime("23:59:58")
		if err != nil {
			t.Fatalf("parseStartTime() error = %v", err)
		}
		if got.Hour() != 23 || got.Minute() != 59 || got.Second() != 58 {
			t.Fatalf("parseStartTime() = %s, want 23:59:58", got)
		}
	})
}

func TestSetLogLevelNormalizesAndFilters(t *testing.T) {
	dir := t.TempDir()
	store := logger.NewStore(20)
	closeLog, err := logger.Init(store, dir, "测试实例", "test", dir)
	if err != nil {
		t.Fatalf("logger.Init() error = %v", err)
	}
	defer closeLog()
	defer logger.SetMinLevel(logger.LevelInfo)

	app := &App{logStore: store}
	if got := app.SetLogLevel("这不是合法等级"); got != logger.LevelInfo {
		t.Fatalf("非法等级应回退为 info, got %q", got)
	}
	if got := app.SetLogLevel("debug"); got != logger.LevelDebug {
		t.Fatalf("SetLogLevel(debug) = %q", got)
	}
	logger.LogEvent("网络", logger.LevelDebug, "debug 应被保留")

	app.SetLogLevel("error")
	logger.LogEvent("网络", logger.LevelDebug, "debug 应被过滤")
	for _, entry := range store.Since(0) {
		if entry.Message == "debug 应被过滤" {
			t.Fatal("低于最低等级的日志不应进入内存缓冲")
		}
	}
}

func TestParseTargetsAppliesPriceAndInventoryFilters(t *testing.T) {
	targets := parseTargets(Config{
		PID:        12889,
		Name:       "小黄鸭",
		TargetText: "13001\nauto",
		AutoSelect: true,
		MaxPrice:   1000,
		MinLeft:    2,
	})
	if len(targets) != 4 {
		t.Fatalf("targets=%d, want 4", len(targets))
	}
	for _, target := range targets {
		if target.MaxPrice != 1000 {
			t.Fatalf("target %+v maxPrice=%d, want 1000", target, target.MaxPrice)
		}
		if target.MinLeft != 2 {
			t.Fatalf("target %+v minLeft=%d, want 2", target, target.MinLeft)
		}
	}
}

func TestParseTargetsWithoutFiltersKeepsZeroValues(t *testing.T) {
	targets := parseTargets(Config{PID: 12889})
	if len(targets) != 1 {
		t.Fatalf("targets=%d, want 1", len(targets))
	}
	if targets[0].MaxPrice != 0 || targets[0].MinLeft != 0 {
		t.Fatalf("unexpected filters: %+v", targets[0])
	}
}

// TestRunnerConfigMapsDirectExchangeToExchangeMode 验证界面「直接兑换」开关能真正
// 切换到「先查列表」模式：引擎在 ListBeforeExchange=false 时会强制回落到直兑，
// 所以关闭直接兑换必须同时置 ListBeforeExchange，否则开关形同失效。
func TestRunnerConfigMapsDirectExchangeToExchangeMode(t *testing.T) {
	direct := runnerConfig(Config{
		SID:            2203,
		DelayMS:        120,
		Concurrency:    5,
		DirectExchange: true,
	})
	if !direct.DirectExchange || direct.ListBeforeExchange {
		t.Fatalf("直接兑换模式映射错误: %+v", direct)
	}
	if direct.SID != 2203 || direct.Delay != 120*time.Millisecond || direct.Concurrency != 5 {
		t.Fatalf("基础字段未透传: %+v", direct)
	}

	list := runnerConfig(Config{SID: 2203, DirectExchange: false})
	if list.DirectExchange || !list.ListBeforeExchange {
		t.Fatalf("关闭直接兑换后应改为先查列表: %+v", list)
	}
}