package main

import (
	"bytes"
	"html/template"
	"os"
	"strings"
	"testing"
)

func TestInnerCodeTemplate_独立导航与安全表单(t *testing.T) {
	if _, err := template.ParseFS(templateFS, "templates/*/*.html"); err != nil {
		t.Fatalf("模板必须可解析: %v", err)
	}
	header, err := os.ReadFile("templates/partials/header.html")
	if err != nil {
		t.Fatal(err)
	}
	headerText := string(header)
	clientIndex := strings.Index(headerText, `href="/clients"`)
	innerCodeIndex := strings.Index(headerText, `href="/inner-codes"`)
	if clientIndex < 0 || innerCodeIndex < 0 || innerCodeIndex < clientIndex {
		t.Fatal("档口入库码导航必须紧跟在客户端列表之后")
	}

	raw, err := os.ReadFile("templates/inner_code/list.html")
	if err != nil {
		t.Fatal(err)
	}
	page := string(raw)
	for _, want := range []string{
		`action="/inner-codes/import"`, `action="/inner-codes/match"`,
		`action="/inner-codes/apply"`, `action="/inner-codes/recheck"`, `action="/inner-codes/delete"`,
		`name="csrf_token"`, `data-check-all`, `data-inner-code-apply-open`,
		`data-need-checked="inner-code-match"`, `data-inner-code-id="{{.ID}}"`,
		`data-need-checked="inner-code-delete"`, `data-confirm-delete-action="inner-code-delete"`,
		`inner-code-delete {{if .CanMatch}}inner-code-match{{end}}{{if .CanApply}} inner-code-apply`,
		`删除不会撤销顺运宝已写入的快递单号`, `匹配已选`, `aria-label="档口入库码记录列表"`,
		`data-auto-dismiss-toast data-transient-feedback`, `role="alertdialog"`,
		`id="inner-code-feedback-error-modal" data-auto-open-modal`,
	} {
		if !strings.Contains(page, want) {
			t.Errorf("正式页面缺少 %s", want)
		}
	}
	if strings.Contains(page, `{{if not .CanMatch}}disabled{{end}}`) {
		t.Fatal("所有状态都应允许勾选删除，不能再按 CanMatch 禁用复选框")
	}
	if strings.Contains(page, `inner-code-notice`) {
		t.Fatal("档口入库码反馈不应继续占用列表上方布局")
	}
}

func TestInnerCodeTemplate_错误弹窗自动转义且成功提示不占布局(t *testing.T) {
	tmpl, err := template.ParseFS(templateFS, "templates/*/*.html")
	if err != nil {
		t.Fatal(err)
	}
	var output bytes.Buffer
	data := map[string]any{
		"Title": "档口入库码", "Active": "inner-codes", "CSRFToken": "test-csrf",
		"FeedbackError": true, "FeedbackMessage": `<script>alert("secret")</script>`,
	}
	if err := tmpl.ExecuteTemplate(&output, "inner_code/list", data); err != nil {
		t.Fatal(err)
	}
	body := output.String()
	for _, want := range []string{
		`role="alertdialog"`, `data-auto-open-modal`,
		`&lt;script&gt;alert(&#34;secret&#34;)&lt;/script&gt;`,
		`系统不会因本弹窗自动重复匹配或回写`,
	} {
		if !strings.Contains(body, want) {
			t.Errorf("错误反馈弹窗缺少 %q", want)
		}
	}
	if strings.Contains(body, `<script>alert("secret")</script>`) {
		t.Fatal("错误反馈未经 html/template 自动转义")
	}

	rawJS, err := os.ReadFile("static/js/app.js")
	if err != nil {
		t.Fatal(err)
	}
	js := string(rawJS)
	for _, want := range []string{
		`function setupTransientFeedback()`, `data-auto-dismiss-toast`,
		`window.setTimeout(function ()`, `}, 4000);`,
		`current.searchParams.delete(name)`, `window.history.replaceState`,
		`setupTransientFeedback();`,
	} {
		if !strings.Contains(js, want) {
			t.Errorf("临时反馈脚本缺少 %q", want)
		}
	}

	cssRaw, err := os.ReadFile("static/css/app.css")
	if err != nil {
		t.Fatal(err)
	}
	css := string(cssRaw)
	if !strings.Contains(css, `.inner-code-toast {`) || !strings.Contains(css, `position: fixed;`) {
		t.Fatal("成功提示必须固定定位，不能占用表格布局")
	}
}

func TestInnerCodeTemplate_模块状态白名单已登记(t *testing.T) {
	raw, err := os.ReadFile("static/js/app.js")
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(raw), `"/inner-codes": ["date", "status", "q", "page", "page_size", "apply_batch_id"]`) {
		t.Fatal("档口入库码页面切换模块后应保持稳定筛选和页码")
	}
	for _, want := range []string{
		`appendSelectedIDs(matchForm, "inner-code-match")`,
		`appendSelectedIDs(applyForm, "inner-code-apply")`,
		`appendSelectedIDs(deleteForm, "inner-code-delete")`,
		`checkedCount(action)`,
		`field.name = "ids"`,
	} {
		if !strings.Contains(string(raw), want) {
			t.Errorf("档口入库码选中 ID 提交缺少 %s", want)
		}
	}
}

func TestInnerCodeTemplate_后台回写进度可访问且手工刷新(t *testing.T) {
	raw, err := os.ReadFile("templates/inner_code/list.html")
	if err != nil {
		t.Fatal(err)
	}
	page := string(raw)
	for _, want := range []string{
		`class="inner-code-batch-progress" role="status" aria-live="polite"`,
		`<progress max="{{.Total}}" value="{{.Processed}}">`,
		`href="{{$.ApplyProgressURL}}">刷新进度</a>`,
		`开始后台回写`,
	} {
		if !strings.Contains(page, want) {
			t.Errorf("后台回写页面缺少 %q", want)
		}
	}
	if strings.Contains(page, "setInterval") {
		t.Fatal("档口入库码进度不得在模板内增加自动轮询")
	}
}

func TestInnerCodeTemplate_筛选顺序与紧凑宽度(t *testing.T) {
	raw, err := os.ReadFile("templates/inner_code/list.html")
	if err != nil {
		t.Fatal(err)
	}
	page := string(raw)
	parts := []string{
		`id="inner-code-status"`,
		`id="inner-code-date" type="date" name="date"`,
		`id="inner-code-keyword"`,
		`class="button-link" href="/inner-codes?date={{.BusinessDate}}&page_size={{.CurrentPageSize}}">清除</a>`,
		`<button type="submit">搜索</button>`,
	}
	lastIndex := -1
	for _, part := range parts {
		index := strings.Index(page, part)
		if index < 0 {
			t.Fatalf("筛选工具栏缺少 %s", part)
		}
		if index <= lastIndex {
			t.Fatalf("筛选工具栏顺序不正确，%s 没有位于上一控件之后", part)
		}
		lastIndex = index
	}
	filterStart := strings.Index(page, `<form id="inner-code-filter"`)
	if filterStart < 0 {
		t.Fatal("没有找到档口入库码筛选表单")
	}
	filterEnd := strings.Index(page[filterStart:], `</form>`)
	if filterEnd < 0 {
		t.Fatal("没有找到完整的档口入库码筛选表单")
	}
	filter := page[filterStart : filterStart+filterEnd]
	if strings.Contains(filter, `type="hidden" name="date"`) {
		t.Fatal("筛选表单应直接提交可见业务日期，不能继续保留重复隐藏字段")
	}

	css, err := os.ReadFile("static/css/app.css")
	if err != nil {
		t.Fatal(err)
	}
	styles := string(css)
	for _, want := range []string{
		`.inner-code-toolbar input[type="text"].inner-code-search`,
		`flex: 0 0 150px`, `width: 150px`, `min-width: 150px`,
		`.inner-code-toolbar .inner-code-filter-form { flex-wrap: wrap; }`,
		`.inner-code-toolbar .inner-code-filter-form { flex-basis: 100%; }`,
	} {
		if !strings.Contains(styles, want) {
			t.Errorf("筛选工具栏样式缺少 %s", want)
		}
	}
}