package main

import (
	"encoding/json"
	"net/http"
	"strings"
)

const SharedCSS = `
  :root {
    color-scheme: dark;
    --tool-gap-sm: 8px;
    --tool-gap-md: 12px;
    --tool-gap-lg: 16px;
    --tool-radius: 5px;
    --tool-border: #333;
    --tool-panel: #252526;
  }
  * { box-sizing: border-box; }
  html { min-height: 100%; }
  body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #1e1e1e; color: #ddd;
    margin: 0; padding: 0;
  }
  .topbar {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px; background: #252526; border-bottom: 1px solid #333;
    font-size: 13px;
  }
  .topbar .nav-link {
    background: transparent;
    color: #ddd;
    border: 0;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font: inherit;
  }
  .topbar .nav-link:hover { background: #2a2d2e; }
  .topbar .nav-link.active { background: #094771; color: #fff; }
  .beta-pill { margin-left: 4px; padding: 1px 4px; border: 1px solid #555; border-radius: 3px; font-size: 10px; opacity: 0.7; text-transform: uppercase; }
  .topbar-spacer { margin-left: auto; }
  .content { flex: 1; width: 100%; padding: 18px; max-width: 1100px; margin: 0 auto; }
  .app-footer {
    width: 100%;
    max-width: 1100px;
    margin: auto auto 0;
    padding: 8px 18px 14px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    color: #a7a7a7;
    font-size: 10px;
    border-top: 1px solid #333;
  }
  .beta-tools-toggle {
    justify-self: start;
    padding: 0;
    background: transparent;
    color: #a7a7a7;
    border: 0;
    cursor: pointer;
    font: inherit;
    opacity: 0.72;
    text-align: left;
  }
  .beta-tools-toggle:hover { background: transparent; opacity: 1; text-decoration: underline; }
  .app-footer-version { opacity: 0.75; text-align: center; white-space: nowrap; }
  .app-footer-link { justify-self: end; padding: 0; background: transparent; color: #a7a7a7; border: 0; cursor: pointer; font: inherit; opacity: 0.72; }
  .app-footer-link:hover { background: transparent; opacity: 1; text-decoration: underline; }
  h2 { margin: 0; font-size: 18px; line-height: 1.25; font-weight: 600; }
  .tool-header { margin-bottom: var(--tool-gap-lg); }
  .tool-title { margin: 0; font-size: 18px; line-height: 1.25; font-weight: 600; }
  .tool-description, .section-description, .muted { color: #a7a7a7; }
  .tool-description { margin: 5px 0 0; max-width: 780px; font-size: 12px; line-height: 1.45; }
  .tool-panel { margin-bottom: var(--tool-gap-lg); border: 1px solid var(--tool-border); border-radius: var(--tool-radius); background: rgba(128,128,128,0.08); overflow: hidden; }
  .panel-header { padding: 10px 12px; border-bottom: 1px solid var(--tool-border); background: var(--tool-panel); }
  .panel-title { margin: 0; color: #ddd; font-size: 12px; font-weight: 700; letter-spacing: 0.45px; text-transform: uppercase; }
  .panel-body { padding: 12px; }
  .control-group + .control-group { margin-top: var(--tool-gap-md); }
  .control-label { margin: 0 0 6px; color: #a7a7a7; font-size: 11px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; }
  .file-row, .field-row, .action-row { display: flex; align-items: center; gap: var(--tool-gap-sm); flex-wrap: wrap; }
  .action-row { margin-top: var(--tool-gap-md); }
  input[type=text], input[type=date], select, textarea {
    box-sizing: border-box; padding: 6px 8px;
    background: #3c3c3c; color: #ddd;
    border: 1px solid #3c3c3c; border-radius: 2px;
    font-family: inherit; font-size: 13px;
  }
  input[type=text]:focus, input[type=date]:focus, select:focus, textarea:focus {
    outline: 1px solid #007fd4; border-color: #007fd4;
  }
  button {
    background: #0e639c; color: #fff;
    border: none; padding: 6px 14px; border-radius: 2px; cursor: pointer; font-size: 13px;
  }
  button:hover { background: #1177bb; }
  button.secondary { background: #3a3d41; color: #ddd; }
  button.secondary:hover { background: #45494e; }
  button.danger { background: transparent; color: #f48771; border: 1px solid #444; }
  button.danger:hover { background: rgba(244,135,113,0.14); }
  button:disabled { opacity: 0.5; cursor: not-allowed; }
  .status-panel, .results-panel, .result-card { border: 1px solid var(--tool-border); border-radius: var(--tool-radius); background: rgba(128,128,128,0.08); }
  .status-panel { min-height: 30px; margin-top: var(--tool-gap-md); padding: 8px 10px; white-space: pre-wrap; }
  .status-panel:empty { display: none; }
  .results-panel { margin-top: var(--tool-gap-md); overflow: auto; }
  .results-panel:empty { display: none; }
  .result-card { padding: 10px; word-break: break-word; }
  .data-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
  .data-table th, .data-table td { padding: 8px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--tool-border); }
  .data-table th { color: #a7a7a7; font-size: 11px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; background: var(--tool-panel); }
  .data-table tr:last-child td { border-bottom: none; }
  .mono { font-family: Consolas, "Courier New", monospace; font-size: 12px; }
  .wrap { overflow-wrap: anywhere; word-break: break-word; }
  .file-name { color: #a7a7a7; font-size: 12px; overflow-wrap: anywhere; }
  .selected-list, .selected-files { margin-top: 8px; }
  .remove-selected, .remove-btn { min-width: 28px; width: 28px; padding: 3px 0; color: #f48771; font-size: 16px; line-height: 1; }
  .pager { margin-top: 8px; display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
  .badge { display: inline-flex; align-items: center; min-height: 18px; padding: 1px 6px; border-radius: 999px; border: 1px solid #444; font-size: 11px; line-height: 1.2; white-space: nowrap; }
  .badge.ok { color: #89d185; background: rgba(137,209,133,0.12); }
  .badge.err { color: #f48771; background: rgba(244,135,113,0.14); }
  .badge.warn { color: #ffd580; background: rgba(210,153,34,0.16); }
  .is-hidden { display: none !important; }
  .err { color: #f48771; white-space: pre-wrap; }
  .ok { color: #89d185; }
  .hint { font-size: 12px; opacity: 0.7; }
`

type navItem struct {
	Path        string
	Label       string
	Description string
	Beta        bool
}

var navItems = []navItem{
	{Path: "/", Label: "Home"},
	{Path: "/plec", Label: "PLEC Upload", Description: "Upload HTML to the internal PLEC server"},
	{Path: "/applovin", Label: "AppLovin Playable Preview", Description: "Upload to p.applov.in (QR preview)"},
	{Path: "/base64", Label: "Base64 Scanner", Description: "Find non-base64 assets in HTML"},
	{Path: "/mraid", Label: "MRAID Checker", Description: "Check MRAID requirements and best practices", Beta: true},
	{Path: "/mobile", Label: "Send To Mobile", Description: "Share HTML to a phone via LAN + QR"},
	{Path: "/playworks", Label: "Playworks Converter", Description: "Convert Playworks HTML to per-network variants", Beta: true},
}

func visibleNavItems(betaToolsEnabled bool) []navItem {
	out := make([]navItem, 0, len(navItems))
	for _, n := range navItems {
		if n.Beta && !betaToolsEnabled {
			continue
		}
		out = append(out, n)
	}
	return sortNavItemsForDisplay(out)
}

func sortNavItemsForDisplay(items []navItem) []navItem {
	out := append([]navItem(nil), items...)
	for i := 0; i < len(out); i++ {
		for j := i + 1; j < len(out); j++ {
			if out[i].Beta && !out[j].Beta {
				out[i], out[j] = out[j], out[i]
			}
		}
	}
	return out
}

func betaToolCount() int {
	count := 0
	for _, n := range navItems {
		if n.Beta {
			count++
		}
	}
	return count
}

func Page(activePath, title, body string) string {
	cfg := LoadConfig()
	betaToolsEnabled := cfg.BetaToolsEnabled
	var tabs strings.Builder
	for _, n := range visibleNavItems(betaToolsEnabled) {
		cls := ""
		if n.Path == activePath {
			cls = " active"
		}
		label := n.Label
		if n.Beta {
			label += `<span class="beta-pill">Beta</span>`
		}
		tabs.WriteString(`<button type="button" class="nav-link` + cls + `" data-path="` + n.Path + `">` + label + `</button>`)
	}

	betaButtonLabel := "Show beta"
	if betaToolsEnabled {
		betaButtonLabel = "Hide beta"
	}

	return `<!DOCTYPE html>
<html><head>
<meta charset="UTF-8" />
<title>` + title + ` — HPL Toolbox</title>
<style>` + SharedCSS + `</style>
</head><body>
<div class="topbar">` + tabs.String() + `<span class="topbar-spacer"></span></div>
<div class="content">` + body + `</div>
<div class="app-footer">
  <button id="betaToolsToggle" class="beta-tools-toggle" data-enabled="` + boolAttr(betaToolsEnabled) + `">` + betaButtonLabel + `</button>
  <span class="app-footer-version">` + AppVersion + ` - JJGC 00784</span>
  <button type="button" class="app-footer-link" data-path="/changelog">Changelog</button>
</div>
<script>
document.querySelectorAll('[data-path]').forEach((element) => {
  element.addEventListener('click', () => {
    const path = element.dataset.path;
    if (path) window.location.href = path;
  });
});
document.getElementById('betaToolsToggle').addEventListener('click', async (event) => {
  const enabled = event.currentTarget.dataset.enabled === 'true';
  await fetch('/api/betaTools', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ enabled: !enabled }),
  });
  window.location.reload();
});
</script>
</body></html>`
}

func boolAttr(v bool) string {
	if v {
		return "true"
	}
	return "false"
}

func BetaToolsEndpoint(w http.ResponseWriter, r *http.Request) {
	var req struct {
		Enabled bool `json:"enabled"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeJSON(w, map[string]any{"ok": false, "error": err.Error()})
		return
	}
	cfg := LoadConfig()
	cfg.BetaToolsEnabled = req.Enabled
	if err := SaveConfig(cfg); err != nil {
		writeJSON(w, map[string]any{"ok": false, "error": err.Error()})
		return
	}
	writeJSON(w, map[string]any{"ok": true})
}