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

from pathlib import Path
import re
import time
import pymysql
from pymysql.cursors import DictCursor
from playwright.sync_api import sync_playwright, TimeoutError as PWTimeout

# ================== CONFIG ==================
STATE_FILE = Path("medevio_storage.json")

MYSQL_CFG = dict(
    host="192.168.1.76",
    port=3307,
    user="root",
    password="Vlado9674+",
    database="medevio",
    cursorclass=DictCursor,
    autocommit=False,
)

# Column that goes into the Medevio URL.
# If your Medevio patient UUID is stored in a different column, change this:
UUID_COLUMN = "rid"                   # Medevio UUID in your table
FLAG_COLUMN = "pozchripkavytvoren"    # set to 1 on success
FLAG_TS_COL = "pozchripka_vytv_at"    # timestamp when created

MESSAGE_TEXT = (
    "Dobrý den, vakcína proti chřipce je k dispozici, "
    "dnes (úterý 23.9) budeme očkovat od 13-17 hodin, "
    "prosím, otevřete si tento požadavek a vyberte si termín. Můžete si samozřejmě vybrat i kterýkoliv jiný den, ale hromadně očkujeme další 4 úterky. Další 4 úterky najdete spoustu termínů."
)

PATIENT_URL_TMPL = "https://my.medevio.cz/mudr-buzalkova/klinika/pacienti?pacient={uuid}"
BATCH_LIMIT = 2   # change if you want to limit how many to process in one run
PAUSE_BETWEEN = 1.0 # seconds between patients (UI courtesy)
# ===========================================

RC_DIGITS = re.compile(r"\D+")

def ensure_flag_columns(conn):
    """Create required columns if missing (portable)."""
    needed = {
        FLAG_COLUMN: "TINYINT(1) NULL",
        FLAG_TS_COL: "DATETIME NULL",
    }
    with conn.cursor() as cur:
        for col, coldef in needed.items():
            cur.execute("""
                SELECT COUNT(*) AS cnt
                FROM INFORMATION_SCHEMA.COLUMNS
                WHERE TABLE_SCHEMA = DATABASE()
                  AND TABLE_NAME   = 'patients_extracted'
                  AND COLUMN_NAME  = %s
            """, (col,))
            if cur.fetchone()["cnt"] == 0:
                cur.execute(f"ALTER TABLE `patients_extracted` ADD COLUMN `{col}` {coldef}")
    conn.commit()

def fetch_batch(conn):
    """
    Get patients where:
      - flu_reply = 'ano'
      - mamedevioucet is true-ish
      - rc starts with '8' (after removing slash/spaces)
      - pozchripkavytvoren is NULL
      - uuid column is present
    """
    sql = f"""
        SELECT
            rid, jmeno, prijmeni, rc,
            `{UUID_COLUMN}` AS uuid
        FROM patients_extracted
        WHERE flu_reply = 'ano'
          AND (mamedevioucet = 1 OR mamedevioucet = TRUE OR mamedevioucet = '1')
          AND REPLACE(REPLACE(rc,'/',''),' ','') LIKE '7%%'
          AND {FLAG_COLUMN} IS NULL
          AND `{UUID_COLUMN}` IS NOT NULL
          AND `{UUID_COLUMN}` <> ''
        ORDER BY prijmeni, jmeno
        LIMIT %s
    """
    with conn.cursor() as cur:
        cur.execute(sql, (BATCH_LIMIT,))
        return cur.fetchall()

def mark_flag_success(conn, rid: str):
    with conn.cursor() as cur:
        cur.execute(
            f"UPDATE patients_extracted "
            f"SET {FLAG_COLUMN}=1, {FLAG_TS_COL}=NOW() "
            f"WHERE rid=%s",
            (rid,)
        )
    conn.commit()

def create_flu_request_for_uuid(uuid: str) -> bool:
    """Automate Medevio UI for one patient: create 'Očkování - Chřipka' and send MESSAGE_TEXT."""
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=False, slow_mo=200)
        context = browser.new_context(storage_state=str(STATE_FILE))
        ptcard = context.new_page()

        url = PATIENT_URL_TMPL.format(uuid=uuid)
        ptcard.goto(url, wait_until="networkidle")

        # ensure patient card loaded
        ptcard.get_by_text("Historie požadavků").wait_for(timeout=15_000)

        # create new request
        ptcard.get_by_role("button", name="Nový požadavek").click()
        ptcard.wait_for_timeout(300)
        ptcard.keyboard.type("očkování - chřipka")
        ptcard.locator("[role='option']", has_text="Očkování - Chřipka").first.click()
        ptcard.get_by_role("button", name="Vytvořit požadavek").click()
        time.sleep(2)
        # # wait until back on card
        # try:
        #     ptcard.get_by_text("Historie požadavků").wait_for(timeout=7_000)
        # except PWTimeout:
        #     ptcard.goto(url, wait_until="networkidle")
        #     ptcard.get_by_text("Historie požadavků").wait_for(timeout=10_000)

        # ptcard.reload(wait_until="networkidle")
        ptcard.get_by_text("Historie požadavků").wait_for(timeout=10_000)
        time.sleep(2)

        # open the new request
        try:
            ptcard.locator("div[data-testid='patient-request-item']").first.wait_for(timeout=10_000)
            chripka_card = ptcard.locator("div[data-testid='patient-request-item']").filter(
                has=ptcard.locator("h4:has-text('Očkování - Chřipka')")
            ).first
            chripka_card.click(timeout=5_000)
        except Exception:
            ptcard.locator("div[data-testid='patient-request-item']").first.click(timeout=5_000)

        # send the message
        # try:
        #     ptcard.wait_for_url("**/pozadavky?pozadavek=*", timeout=10_000)
        # except PWTimeout:
        #     pass
        ptcard.get_by_placeholder("Napište odpověď").wait_for(timeout=10_000)
        ptcard.get_by_placeholder("Napište odpověď").fill(MESSAGE_TEXT)
        time.sleep(2)
        for sel in [
            "button:has-text('Odeslat')",
            "button:has-text('Odeslat zprávu')",
            "button:has-text('Odeslat SMS')",
            "button:has-text('Odeslat do aplikace')",
        ]:
            try:
                ptcard.click(sel, timeout=4000)
                browser.close()
                return True
            except Exception:
                continue

        browser.close()
        return False

def main():
    conn = pymysql.connect(**MYSQL_CFG)
    try:
        ensure_flag_columns(conn)

        rows = fetch_batch(conn)
        if not rows:
            print("Nenalezen žádný pacient pro zpracování.")
            return

        print(f"Zpracujeme {len(rows)} pacientů…")

        processed = ok = fail = 0
        for r in rows:
            processed += 1
            rid = r["rid"]
            uuid = r["uuid"]
            name = f"{r.get('prijmeni','')}, {r.get('jmeno','')}"
            rc = r.get("rc","")

            print(f"[{processed:>3}] {name} | RC {rc} | UUID {uuid}")

            try:
                success = create_flu_request_for_uuid(uuid)
                if success:
                    mark_flag_success(conn, rid)
                    ok += 1
                    print("    ✓ vytvořeno + odesláno, DB flag nastaven")
                else:
                    fail += 1
                    print("    ✗ nepodařilo se odeslat zprávu (tlačítko 'Odeslat' nenalezeno)")
            except Exception as e:
                fail += 1
                conn.rollback()
                print(f"    ✗ chyba: {type(e).__name__}: {e}")

            time.sleep(PAUSE_BETWEEN)

        print(f"Hotovo. processed={processed}, ok={ok}, fail={fail}")
    finally:
        conn.close()

if __name__ == "__main__":
    main()