# main.py
import os
import json
from datetime import datetime

import httpx
from fastapi import FastAPI, Request

from google.oauth2 import service_account
from googleapiclient.discovery import build

app = FastAPI()

# ===== Notion Config =====
NOTION_SECRET = os.getenv("NOTION_SECRET", "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")
NOTION_VERSION = "2025-09-03"
NOTION_DRIVE_PROP_ID = os.getenv("NOTION_DRIVE_PROP_ID", "H=Fs")  # ID بتاع حقل Google Drive Link

# ===== Google Drive Config =====
GOOGLE_CREDENTIALS = os.getenv("GOOGLE_CREDENTIALS")  # JSON string للـ service account
PARENT_FOLDER_ID = os.getenv(
    "PARENT_FOLDER_ID",
    "1ddMDm2SFnNfmt6pGIMB5-HI54ywd52Jt"  # اللي انت بعتهالي
)


# ========== Notion Template Blocks ==========
def build_content_template_children():
    """نفس التمبلت بالملّي لكن كـ children فقط."""
    return [
        # ===== Assets link =====
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {"content": "Assets link - روابط اللقطات الخام"},
                        "annotations": {"bold": True}
                    },
                    {
                        "type": "text",
                        "text": {
                            "content": "\nهنا هنتم وضع روابط لقطات خام يمكن استخدامها في التصميم أو الفيديو"
                        }
                    }
                ],
                "icon": {"emoji": "📁"},
                "color": "brown_background"
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== Media Buyer =====
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {"content": "Media Buyer"},
                        "annotations": {"bold": True}
                    },
                    {
                        "type": "text",
                        "text": {
                            "content": "\nهنا الجزء الخاص بالميديا باير (يتضمن طريقة تسمية الإعلان - الكانڤسر الخاصة بكل منصة - نسخ الكوبي المختلفة للإعلان)"
                        }
                    }
                ],
                "icon": {"emoji": "🎯"},
                "color": "brown_background"
            }
        },

        # Net Name callout منفصل
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {
                            "content": "Net Name = Name-(CreatorName/Vo)-(Offer)"
                        },
                        "annotations": {
                            "code": True,
                            "bold": True
                        }
                    }
                ],
                "icon": {"emoji": "🔤"},
                "color": "yellow_background"
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== Ad Captions =====
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {"content": "Ad Captions"},
                        "annotations": {"bold": True}
                    },
                    {
                        "type": "text",
                        "text": {
                            "content": "\nهنا كابشنز المنصات اللي هيستخدمها الميديا باير أثناء إطلاق الإعلان"
                        }
                    }
                ],
                "icon": {"emoji": "✍️"},
                "color": "purple_background"
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== منصات الكابشنز كـ H3 toggle =====
        {
            "object": "block",
            "type": "heading_3",
            "heading_3": {
                "rich_text": [
                    {"type": "text", "text": {"content": "SNAPCHAT"}}
                ],
                "is_toggleable": True
            }
        },
        {
            "object": "block",
            "type": "heading_3",
            "heading_3": {
                "rich_text": [
                    {"type": "text", "text": {"content": "INSTAGRAM"}}
                ],
                "is_toggleable": True
            }
        },
        {
            "object": "block",
            "type": "heading_3",
            "heading_3": {
                "rich_text": [
                    {"type": "text", "text": {"content": "TIKTOK"}}
                ],
                "is_toggleable": True
            }
        },
        {
            "object": "block",
            "type": "heading_3",
            "heading_3": {
                "rich_text": [
                    {"type": "text", "text": {"content": "Google"}}
                ],
                "is_toggleable": True
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== Copy Variations =====
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {"content": "Copy Variations"},
                        "annotations": {"bold": True}
                    },
                    {
                        "type": "text",
                        "text": {
                            "content": "\nهنا نسخ الكوبي اللي هنتم وضعها أثناء إطلاق الإعلان"
                        }
                    }
                ],
                "icon": {"emoji": "📄"},
                "color": "gray_background"
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== جدول الكوبيز a / b =====
        {
            "object": "block",
            "type": "table",
            "table": {
                "table_width": 2,
                "has_column_header": True,
                "has_row_header": False,
                "children": [
                    {
                        "object": "block",
                        "type": "table_row",
                        "table_row": {
                            "cells": [
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": "Version"}
                                    }
                                ],
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": "Copy"}
                                    }
                                ]
                            ]
                        }
                    },
                    {
                        "object": "block",
                        "type": "table_row",
                        "table_row": {
                            "cells": [
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": "a"}
                                    }
                                ],
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": ""}
                                    }
                                ]
                            ]
                        }
                    },
                    {
                        "object": "block",
                        "type": "table_row",
                        "table_row": {
                            "cells": [
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": "b"}
                                    }
                                ],
                                [
                                    {
                                        "type": "text",
                                        "text": {"content": ""}
                                    }
                                ]
                            ]
                        }
                    }
                ]
            }
        },

        # سطر فاضي
        {
            "object": "block",
            "type": "paragraph",
            "paragraph": {"rich_text": []}
        },

        # ===== NOTES =====
        {
            "object": "block",
            "type": "callout",
            "callout": {
                "rich_text": [
                    {
                        "type": "text",
                        "text": {"content": "NOTES (References if needed)"},
                        "annotations": {"bold": True}
                    },
                    {
                        "type": "text",
                        "text": {
                            "content": "\nهنا لو في نوتس مهم نشتغل عليها جميعًا سواء كاتب المحتوى، المصمم أو الميديا باير"
                        }
                    }
                ],
                "icon": {"emoji": "📌"},
                "color": "brown_background"
            }
        }
    ]


# ========== Notion Helpers ==========

async def get_page_title(page_id: str) -> str:
    """Fetch page title from Notion."""
    async with httpx.AsyncClient() as client:
        res = await client.get(
            f"https://api.notion.com/v1/pages/{page_id}",
            headers={
                "Authorization": f"Bearer {NOTION_SECRET}",
                "Notion-Version": NOTION_VERSION,
            },
        )

    data = res.json()

    props = data.get("properties", {})
    for prop in props.values():
        if prop.get("type") == "title":
            title_items = prop.get("title", [])
            if len(title_items) > 0:
                return title_items[0].get("plain_text", "")

    return "(No Title)"


async def is_block_archived(page_id: str) -> bool:
    """يرجع True لو البلوك/الصفحة archived."""
    async with httpx.AsyncClient() as client:
        res = await client.get(
            f"https://api.notion.com/v1/blocks/{page_id}",
            headers={
                "Authorization": f"Bearer {NOTION_SECRET}",
                "Notion-Version": NOTION_VERSION,
            },
        )

    if res.status_code != 200:
        print(f"[ARCHIVE CHECK] Failed to fetch block {page_id}, status: {res.status_code}")
        try:
            print("[ARCHIVE CHECK] Response:", res.json())
        except Exception:
            print("[ARCHIVE CHECK] Raw response:", res.text)
        return False  # ما نكسرش الفلو

    data = res.json()
    archived = data.get("archived", False)
    print(f"[ARCHIVE CHECK] Block {page_id} archived = {archived}")
    return archived


async def apply_template_to_page(page_id: str):
    """Append التمبلت دي لجسم الصفحة (الـ body) باستخدام blocks API."""
    children = build_content_template_children()

    print(f"[TEMPLATE] Applying template to page: {page_id}")

    async with httpx.AsyncClient() as client:
        res = await client.patch(
            f"https://api.notion.com/v1/blocks/{page_id}/children",
            headers={
                "Authorization": f"Bearer {NOTION_SECRET}",
                "Notion-Version": NOTION_VERSION,
                "Content-Type": "application/json",
            },
            json={"children": children},
        )

    print(f"[TEMPLATE] Status: {res.status_code}")
    try:
        print("[TEMPLATE] Response:", res.json())
    except Exception:
        print("[TEMPLATE] Raw Response:", res.text)


async def update_page_drive_link(page_id: str, drive_link: str):
    """يحدث حقل URL في الصفحة برابط Google Drive."""
    print(f"[NOTION] Updating drive link for page {page_id} -> {drive_link}")

    async with httpx.AsyncClient() as client:
        res = await client.patch(
            f"https://api.notion.com/v1/pages/{page_id}",
            headers={
                "Authorization": f"Bearer {NOTION_SECRET}",
                "Notion-Version": NOTION_VERSION,
                "Content-Type": "application/json",
            },
            json={
                "properties": {
                    NOTION_DRIVE_PROP_ID: {
                        "url": drive_link
                    }
                }
            },
        )

    print(f"[NOTION] Drive link update status: {res.status_code}")
    try:
        print("[NOTION] Drive link response:", res.json())
    except Exception:
        print("[NOTION] Drive link raw response:", res.text)


# ========== Google Drive Helpers ==========

def get_drive_service():
    if not GOOGLE_CREDENTIALS:
        raise RuntimeError("GOOGLE_CREDENTIALS env var is missing")

    creds_info = json.loads(GOOGLE_CREDENTIALS)
    creds = service_account.Credentials.from_service_account_info(
        creds_info,
        scopes=["https://www.googleapis.com/auth/drive"]
    )
    service = build("drive", "v3", credentials=creds)
    return service


def search_folder(name: str, parent_id: str, drive_service):
    query = (
        f"name = '{name}' and "
        f"'{parent_id}' in parents and "
        "mimeType = 'application/vnd.google-apps.folder' and trashed = false"
    )
    results = drive_service.files().list(
        q=query,
        fields="files(id, name)"
    ).execute()
    files = results.get("files", [])
    return files[0] if files else None


def create_folder(name: str, parent_id: str, drive_service):
    metadata = {
        "name": name,
        "mimeType": "application/vnd.google-apps.folder",
        "parents": [parent_id],
    }
    folder = drive_service.files().create(
        body=metadata,
        fields="id, name"
    ).execute()
    return folder


def ensure_drive_folder_for_page(page_title: str) -> str:
    """
    - جوه PARENT_FOLDER_ID
      - فولدر شهر (Dec 2025 مثلاً)
      - جوه فولدر باسم الـ page_title
    وترجع Google Drive folder link.
    """
    drive_service = get_drive_service()

    # لو العنوان فاضي، استخدم page_id أو اسم fallback من برّه
    safe_title = page_title.strip() if page_title and page_title.strip() else "Untitled Task"

    # من الأفضل نشيل Slash عشان ما يكسرش الاسم
    safe_title = safe_title.replace("/", "-")

    month_name = datetime.now().strftime("%b %Y")  # مثال: "Dec 2025"

    print(f"[DRIVE] Ensuring month folder '{month_name}' under parent {PARENT_FOLDER_ID}")
    month_folder = search_folder(month_name, PARENT_FOLDER_ID, drive_service)
    if not month_folder:
        month_folder = create_folder(month_name, PARENT_FOLDER_ID, drive_service)
        print(f"[DRIVE] Created month folder: {month_folder['id']} - {month_folder['name']}")
    else:
        print(f"[DRIVE] Found month folder: {month_folder['id']} - {month_folder['name']}")

    month_folder_id = month_folder["id"]

    print(f"[DRIVE] Ensuring page folder '{safe_title}' under month folder {month_folder_id}")
    page_folder = search_folder(safe_title, month_folder_id, drive_service)
    if not page_folder:
        page_folder = create_folder(safe_title, month_folder_id, drive_service)
        print(f"[DRIVE] Created page folder: {page_folder['id']} - {page_folder['name']}")
    else:
        print(f"[DRIVE] Found page folder: {page_folder['id']} - {page_folder['name']}")

    folder_id = page_folder["id"]
    drive_link = f"https://drive.google.com/drive/folders/{folder_id}"
    print(f"[DRIVE] Final folder link: {drive_link}")
    return drive_link


# ========== Webhook ==========

@app.post("/webhook")
async def webhook(request: Request):
    body = await request.json()

    event_type = body.get("type")
    page_id = body.get("entity", {}).get("id")
    timestamp = body.get("timestamp")

    print("\n===== NEW WEBHOOK EVENT =====")
    print("Raw body:", body)

    if event_type == "page.created":
        title = await get_page_title(page_id)

        print(f"Event Type : {event_type}")
        print(f"Page Title : {title}")
        print(f"Page ID    : {page_id}")
        print(f"Timestamp  : {timestamp}")

        # تشيك الأول: هل الصفحة دي Archived (زي لما تدوس Escape على placeholder)؟
        archived = await is_block_archived(page_id)
        if archived:
            print(f"[TEMPLATE] Page {page_id} is archived right after creation. Skipping template & drive.")
        else:
            # 1) نطبّق التمبلت
            try:
                await apply_template_to_page(page_id)
            except Exception as e:
                print("[ERROR] While applying template:", e)

            # 2) ننشئ فولدر على الدرايف باسم الصفحة ونحط اللينك في النوشن
            try:
                drive_link = ensure_drive_folder_for_page(title or page_id)
                await update_page_drive_link(page_id, drive_link)
            except Exception as e:
                print("[ERROR] While creating drive folder or updating Notion URL:", e)

    elif event_type == "page.deleted":
        print(f"Page deleted. ID: {page_id}, Timestamp: {timestamp}")

    else:
        print("Event received but ignored:", event_type)

    print("================================\n")

    return {"status": "ok"}