#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
Query Medevio for the full agenda of 17 Oct 2025,
print raw API response, and export to Excel.
"""

import json
import time
from pathlib import Path
import requests
import pandas as pd
from openpyxl import load_workbook
from openpyxl.styles import Font, Alignment
from openpyxl.utils import get_column_letter
from datetime import datetime, timedelta
from dateutil.relativedelta import relativedelta  # přidá měsíce správně

GRAPHQL_URL = "https://api.medevio.cz/graphql"

CALENDAR_ID = "144c4e12-347c-49ca-9ec0-8ca965a4470d"
CLINIC_SLUG = "mudr-buzalkova"

# ==================== Load Token ====================
def load_gateway_token(storage_path="medevio_storage.json"):
    """Return Medevio gateway-access-token from saved Playwright storage."""
    from pathlib import Path

    path = Path(storage_path)
    if not path.exists():
        raise SystemExit(f"❌ Storage file not found: {path}")

    with path.open("r", encoding="utf-8") as f:
        state = json.load(f)

    token = next(
        (c["value"] for c in state["cookies"]
         if c["name"] == "gateway-access-token"), None
    )

    if not token:
        raise SystemExit("❌ gateway-access-token not found in storage file.")

    return token


gateway_token = load_gateway_token()

headers = {
    "content-type": "application/json",
    "origin": "https://my.medevio.cz",
    "referer": "https://my.medevio.cz/",
    "authorization": f"Bearer {gateway_token}",
}
# === Dynamické datumy ===
tomorrow = datetime.utcnow().date() + timedelta(days=1)
since = datetime.combine(tomorrow, datetime.min.time()).replace(microsecond=1)
until = since + relativedelta(months=1) - timedelta(milliseconds=1)

# ISO formát s "Z" (UTC)
since_iso = since.isoformat() + "Z"
until_iso = until.isoformat() + "Z"

payload = {
    "operationName": "ClinicAgenda_ListClinicReservations",
    "variables": {
        "calendarIds": [CALENDAR_ID],
        "clinicSlug": CLINIC_SLUG,
        "since": since_iso,
        "until": "2025-11-30T21:59:59.999Z",
        "locale": "cs",
        "emptyCalendarIds": False,
    },
    "query": """query ClinicAgenda_ListClinicReservations(
      $calendarIds: [UUID!],
      $clinicSlug: String!,
      $locale: Locale!,
      $since: DateTime!,
      $until: DateTime!,
      $emptyCalendarIds: Boolean!
    ) {
      reservations: listClinicReservations(
        clinicSlug: $clinicSlug,
        calendarIds: $calendarIds,
        since: $since,
        until: $until
      ) @skip(if: $emptyCalendarIds) {
        id
        start
        end
        note
        done
        color
        request {
          id
          displayTitle(locale: $locale)
          extendedPatient {
            name
            surname
            dob
            insuranceCompanyObject { shortName }
          }
        }
      }
    }""",
}

print("since:", since_iso)
print("until:", until_iso)
# ==================== Query API ====================
print("📡 Querying Medevio API for agenda...")
r = requests.post(GRAPHQL_URL, headers=headers, data=json.dumps(payload))
print("Status:", r.status_code)

try:
    data = r.json()
except Exception as e:
    print("❌ Could not parse JSON:", e)
    print(r.text)
    raise SystemExit()

if "data" not in data or "reservations" not in data["data"]:
    raise SystemExit("⚠️ No 'reservations' data found in response.")

reservations = data["data"]["reservations"]
from datetime import datetime
from dateutil import parser, tz

# ===== Process reservations into table =====
rows = []
for r in reservations:
    req = r.get("request") or {}
    patient = req.get("extendedPatient") or {}
    insurance = patient.get("insuranceCompanyObject") or {}

    # parse datetimes (convert to local time)
    try:
        start_dt = parser.isoparse(r.get("start")).astimezone(tz.gettz("Europe/Prague"))
        end_dt = parser.isoparse(r.get("end")).astimezone(tz.gettz("Europe/Prague"))
    except Exception:
        start_dt = end_dt = None

    date_str = start_dt.strftime("%Y-%m-%d") if start_dt else ""
    time_interval = f"{start_dt.strftime('%H:%M')}-{end_dt.strftime('%H:%M')}" if start_dt and end_dt else ""

    rows.append({
        "Date": date_str,
        "Time": time_interval,
        "Title": req.get("displayTitle") or "",
        "Patient": f"{patient.get('surname','')} {patient.get('name','')}".strip(),
        "DOB": patient.get("dob") or "",
        "Insurance": insurance.get("shortName") or "",
        "Note": r.get("note") or "",
        "Color": r.get("color") or "",
        "Request_ID": req.get("id") or "",
        "Reservation_ID": r.get("id"),
    })

df = pd.DataFrame(rows).sort_values(["Date", "Time"])

# ===== Excel export =====
EXPORT_DIR = Path(r"C:\Users\vlado\PycharmProjects\Medevio\exports")
EXPORT_DIR.mkdir(exist_ok=True)
timestamp = time.strftime("%Y-%m-%d %H-%M-%S")
xlsx_path = EXPORT_DIR / f"Medevio_agenda_{timestamp}.xlsx"

# remove old files
for old in EXPORT_DIR.glob("Medevio_agenda_*.xlsx"):
    try:
        old.unlink()
    except Exception:
        pass

df.to_excel(xlsx_path, index=False)
wb = load_workbook(xlsx_path)
ws = wb.active

# style header
for col in range(1, len(df.columns) + 1):
    c = ws.cell(row=1, column=col)
    c.font = Font(bold=True)
    c.alignment = Alignment(horizontal="center")
    ws.column_dimensions[get_column_letter(col)].width = 20
ws.freeze_panes = "A2"

wb.save(xlsx_path)
print(f"📘 Exported clean agenda view to:\n{xlsx_path}")