"""
APK Deep Diff Analyzer - Report Generator
"""
import json
from typing import Dict, Any, List
from datetime import datetime


class ReportGenerator:
    """Generate analysis reports in multiple formats."""

    def __init__(self, analysis_data: Dict[str, Any]):
        self.data = analysis_data

    def generate_txt_report(self) -> str:
        """Generate plain text report in Arabic."""
        lines = []
        d = self.data

        lines.append("=" * 80)
        lines.append("تقرير تحليل عميق لمقارنة ملفات APK")
        lines.append("APK Deep Diff Analyzer Report")
        lines.append("=" * 80)
        lines.append("")

        # Basic info
        lines.append("معلومات الملفات | File Information")
        lines.append("-" * 40)
        orig = d.get("original_info", {})
        mod = d.get("modified_info", {})
        lines.append(f"APK الأصلي (Original): {orig.get('filename', 'N/A')}")
        lines.append(f"  الحجم (Size): {orig.get('size_formatted', 'N/A')}")
        lines.append(f"  SHA-256: {orig.get('sha256', 'N/A')}")
        lines.append(f"  MD5: {orig.get('md5', 'N/A')}")
        lines.append("")
        lines.append(f"APK المعدل (Modified): {mod.get('filename', 'N/A')}")
        lines.append(f"  الحجم (Size): {mod.get('size_formatted', 'N/A')}")
        lines.append(f"  SHA-256: {mod.get('sha256', 'N/A')}")
        lines.append(f"  MD5: {mod.get('md5', 'N/A')}")
        lines.append("")

        # Summary
        summary = d.get("file_comparison", {}).get("summary", {})
        lines.append("ملخص المقارنة | Comparison Summary")
        lines.append("-" * 40)
        lines.append(f"إجمالي الملفات (Total Files): {summary.get('total', 0)}")
        lines.append(f"متطابقة (Unchanged): {summary.get('unchanged', 0)}")
        lines.append(f"معدلة (Modified): {summary.get('modified', 0)}")
        lines.append(f"مضافة (Added): {summary.get('added', 0)}")
        lines.append(f"محذوفة (Removed): {summary.get('removed', 0)}")
        lines.append("")

        # Manifest changes
        manifest = d.get("manifest_comparison", {})
        changes = manifest.get("changes", {})
        lines.append("تغييرات AndroidManifest.xml")
        lines.append("-" * 40)

        perms = changes.get("permissions", {})
        added_perms = perms.get("added", [])
        removed_perms = perms.get("removed", [])
        if added_perms:
            lines.append("صلاحيات مضافة (+Permissions Added):")
            for p in added_perms:
                lines.append(f"  + {p}")
        if removed_perms:
            lines.append("صلاحيات محذوفة (-Permissions Removed):")
            for p in removed_perms:
                lines.append(f"  - {p}")

        pkg_changes = changes.get("package_info", {})
        if pkg_changes:
            lines.append("تغييرات معلومات الحزمة (Package Info Changes):")
            for key, vals in pkg_changes.items():
                lines.append(f"  {key}: {vals.get('original', 'N/A')} → {vals.get('modified', 'N/A')}")
        lines.append("")

        # DEX changes
        dex = d.get("dex_analysis", {})
        lines.append("تحليل ملفات DEX")
        lines.append("-" * 40)
        lines.append(f"عدد ملفات DEX (DEX Count): {dex.get('dex_count', 0)}")
        for fname, fdata in dex.get("dex_files", {}).items():
            lines.append(f"  {fname}:")
            header = fdata.get("header", {})
            if "error" not in header:
                lines.append(f"    Classes: {header.get('class_defs_count', 'N/A')}")
                lines.append(f"    Methods: {header.get('method_ids_count', 'N/A')}")
                lines.append(f"    Fields: {header.get('field_ids_count', 'N/A')}")
                lines.append(f"    Strings: {header.get('string_ids_count', 'N/A')}")

        urls = dex.get("all_urls", [])
        if urls:
            lines.append("URLs المستخرجة:")
            for url in urls[:20]:  # Limit output
                lines.append(f"  {url}")
        lines.append("")

        # Native libraries
        native = d.get("native_libraries", {})
        lines.append("مكتبات Native")
        lines.append("-" * 40)
        lines.append(f"مكتبات في الأصلي (Original): {len(native.get('original', []))}")
        lines.append(f"مكتبات في المعدل (Modified): {len(native.get('modified', []))}")
        added_libs = native.get("added", [])
        removed_libs = native.get("removed", [])
        if added_libs:
            lines.append("مكتبات مضافة:")
            for lib in added_libs:
                lines.append(f"  + {lib}")
        if removed_libs:
            lines.append("مكتبات محذوفة:")
            for lib in removed_libs:
                lines.append(f"  - {lib}")
        lines.append("")

        # Signature
        sig = d.get("signature_comparison", {})
        lines.append("تحليل التوقيع | Signature Analysis")
        lines.append("-" * 40)
        if sig.get("signature_changed"):
            lines.append("⚠️  التوقيع تغير! (Signature Changed)")
        else:
            lines.append("✅ التوقيع متطابق (Signature Match)")
        lines.append("")

        # Suspicious changes
        suspicious = d.get("suspicious_changes", [])
        if suspicious:
            lines.append("تغييرات مشبوهة محتملة | Potentially Suspicious Changes")
            lines.append("-" * 40)
            for item in suspicious:
                lines.append(f"  ⚠️  {item}")
            lines.append("")

        lines.append("=" * 80)
        lines.append("نهاية التقرير | End of Report")
        lines.append(f"تاريخ التحليل: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
        lines.append("=" * 80)

        return "\n".join(lines)

    def generate_json_report(self) -> str:
        """Generate JSON report."""
        return json.dumps(self.data, indent=2, ensure_ascii=False, default=str)

    def generate_html_report(self) -> str:
        """Generate HTML report."""
        d = self.data
        summary = d.get("file_comparison", {}).get("summary", {})

        html = f"""<!DOCTYPE html>
<html dir="rtl" lang="ar">
<head>
<meta charset="UTF-8">
<title>APK Deep Diff Analyzer Report</title>
<style>
body {{ font-family: 'Segoe UI', Tahoma, Arial, sans-serif; margin: 20px; background: #1a1a2e; color: #eee; }}
.container {{ max-width: 1200px; margin: 0 auto; }}
h1 {{ color: #00d4ff; text-align: center; }}
h2 {{ color: #ff6b6b; border-bottom: 2px solid #ff6b6b; padding-bottom: 5px; }}
.summary-box {{ background: #16213e; padding: 20px; border-radius: 10px; margin: 15px 0; }}
.added {{ color: #4ecdc4; }}
.removed {{ color: #ff6b6b; }}
.modified {{ color: #feca57; }}
.unchanged {{ color: #48dbfb; }}
.warning {{ color: #ff9f43; }}
table {{ width: 100%; border-collapse: collapse; margin: 15px 0; }}
th, td {{ padding: 10px; text-align: right; border: 1px solid #333; }}
th {{ background: #0f3460; }}
tr:nth-child(even) {{ background: #1a1a2e; }}
</style>
</head>
<body>
<div class="container">
<h1>🔍 APK Deep Diff Analyzer</h1>
<div class="summary-box">
<h2>📊 ملخص المقارنة</h2>
<p>إجمالي الملفات: <strong>{summary.get('total', 0)}</strong></p>
<p class="unchanged">✅ متطابقة: {summary.get('unchanged', 0)}</p>
<p class="modified">⚠️ معدلة: {summary.get('modified', 0)}</p>
<p class="added">➕ مضافة: {summary.get('added', 0)}</p>
<p class="removed">➖ محذوفة: {summary.get('removed', 0)}</p>
</div>
"""

        # Manifest section
        manifest = d.get("manifest_comparison", {})
        changes = manifest.get("changes", {})
        html += "<div class='summary-box'>"
        html += "<h2>📋 AndroidManifest.xml</h2>"

        perms = changes.get("permissions", {})
        if perms.get("added"):
            html += "<h3 class='added'>صلاحيات مضافة:</h3><ul>"
            for p in perms["added"]:
                html += f"<li class='added'>+ {p}</li>"
            html += "</ul>"

        if perms.get("removed"):
            html += "<h3 class='removed'>صلاحيات محذوفة:</h3><ul>"
            for p in perms["removed"]:
                html += f"<li class='removed'>- {p}</li>"
            html += "</ul>"

        html += "</div>"

        # Signature
        sig = d.get("signature_comparison", {})
        html += "<div class='summary-box'>"
        html += "<h2>🔐 التوقيع</h2>"
        if sig.get("signature_changed"):
            html += "<p class='warning'>⚠️ التوقيع تغير!</p>"
        else:
            html += "<p class='unchanged'>✅ التوقيع متطابق</p>"
        html += "</div>"

        # Suspicious
        suspicious = d.get("suspicious_changes", [])
        if suspicious:
            html += "<div class='summary-box'>"
            html += "<h2 class='warning'>⚠️ تغييرات مشبوهة محتملة</h2><ul>"
            for item in suspicious:
                html += f"<li class='warning'>{item}</li>"
            html += "</ul></div>"

        html += "</div></body></html>"
        return html