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

import pymysql
import requests
from pathlib import Path
from datetime import datetime
import time

import time, socket
# for _ in range(30):
#     try:
#         socket.create_connection(("127.0.0.1", 3307), timeout=3).close()
#         break
#     except OSError:
#         time.sleep(10)
# ================================
# 🔧 CONFIGURATION
# ================================
TOKEN_PATH = Path("token.txt")
CLINIC_SLUG = "mudr-buzalkova"
BATCH_SIZE = 100
DONE_LIMIT = 200  # only last 200 DONE

DB_CONFIG = {
    # "host": "127.0.0.1",
    "host": "192.168.1.76",
    "port": 3307,
    "user": "root",
    "password": "Vlado9674+",
    "database": "medevio",
    "charset": "utf8mb4",
    "cursorclass": pymysql.cursors.DictCursor,
}

GRAPHQL_QUERY = r"""
query ClinicRequestGrid_ListPatientRequestsForClinic2(
  $clinicSlug: String!,
  $queueId: String,
  $queueAssignment: QueueAssignmentFilter!,
  $pageInfo: PageInfo!,
  $locale: Locale!,
  $state: PatientRequestState
) {
  requestsResponse: listPatientRequestsForClinic2(
    clinicSlug: $clinicSlug,
    queueId: $queueId,
    queueAssignment: $queueAssignment,
    pageInfo: $pageInfo,
    state: $state
  ) {
    count
    patientRequests {
      id
      displayTitle(locale: $locale)
      createdAt
      updatedAt
      doneAt
      removedAt
      extendedPatient {
        name
        surname
        identificationNumber
      }
    }
  }
}
"""

# ================================
# 🔑 TOKEN
# ================================
def read_token(p: Path) -> str:
    tok = p.read_text(encoding="utf-8").strip()
    if tok.startswith("Bearer "):
        tok = tok.split(" ", 1)[1]
    return tok

# ================================
# 🕒 DATETIME CONVERSION
# ================================
def to_mysql_dt(iso_str):
    if not iso_str:
        return None
    try:
        dt = datetime.fromisoformat(iso_str.replace("Z", "+00:00"))
        return dt.strftime("%Y-%m-%d %H:%M:%S")
    except Exception:
        return None

# ================================
# 💾 UPSERT TO MYSQL
# ================================
def upsert(conn, r):
    p = (r.get("extendedPatient") or {})
    sql = """
        INSERT INTO pozadavky (
            id, displayTitle, createdAt, updatedAt, doneAt, removedAt,
            pacient_jmeno, pacient_prijmeni, pacient_rodnecislo
        ) VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s)
        ON DUPLICATE KEY UPDATE
            displayTitle=VALUES(displayTitle),
            updatedAt=VALUES(updatedAt),
            doneAt=VALUES(doneAt),
            removedAt=VALUES(removedAt),
            pacient_jmeno=VALUES(pacient_jmeno),
            pacient_prijmeni=VALUES(pacient_prijmeni),
            pacient_rodnecislo=VALUES(pacient_rodnecislo)
    """
    vals = (
        r.get("id"),
        r.get("displayTitle"),
        to_mysql_dt(r.get("createdAt")),
        to_mysql_dt(r.get("updatedAt")),
        to_mysql_dt(r.get("doneAt")),
        to_mysql_dt(r.get("removedAt")),
        p.get("name"),
        p.get("surname"),
        p.get("identificationNumber"),
    )
    with conn.cursor() as cur:
        cur.execute(sql, vals)
    conn.commit()

# ================================
# 📡 FETCH FUNCTION
# ================================
def fetch_requests(headers, state, limit=None):
    """Fetch requests for a given state; optional limit for DONE."""
    variables = {
        "clinicSlug": CLINIC_SLUG,
        "queueId": None,
        "queueAssignment": "ANY",
        "pageInfo": {"first": limit or BATCH_SIZE, "offset": 0},
        "locale": "cs",
        "state": state,
    }
    payload = {
        "operationName": "ClinicRequestGrid_ListPatientRequestsForClinic2",
        "query": GRAPHQL_QUERY,
        "variables": variables,
    }
    r = requests.post("https://api.medevio.cz/graphql", json=payload, headers=headers)
    r.raise_for_status()
    data = r.json().get("data", {}).get("requestsResponse", {})
    return data.get("patientRequests", []), data.get("count", 0)

# ================================
# 🧠 MAIN
# ================================
def main():
    token = read_token(TOKEN_PATH)
    headers = {
        "Authorization": f"Bearer {token}",
        "Content-Type": "application/json",
        "Accept": "application/json",
    }

    conn = pymysql.connect(**DB_CONFIG)

    print(f"\n=== Medevio požadavky sync @ {datetime.now():%Y-%m-%d %H:%M:%S} ===")

    # --- ACTIVE (all, paginated)
    print("\n📡 Fetching all ACTIVE requests...")
    offset = 0
    total_active = 0
    while True:
        requests_batch, count = fetch_requests(headers, "ACTIVE", BATCH_SIZE)
        if not requests_batch:
            break
        for r in requests_batch:
            upsert(conn, r)
        total_active += len(requests_batch)
        print(f"   • {total_active} ACTIVE processed")
        if len(requests_batch) < BATCH_SIZE:
            break
        offset += BATCH_SIZE
        time.sleep(0.4)

    # --- DONE (only 200 latest)
    print("\n📡 Fetching last 200 DONE requests...")
    done_requests, done_count = fetch_requests(headers, "DONE", DONE_LIMIT)
    for r in done_requests:
        upsert(conn, r)
    print(f"   ✅ DONE processed: {len(done_requests)} (of total {done_count})")

    conn.close()
    print("\n✅ Sync completed successfully.\n")


if __name__ == "__main__":
    main()