#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Dočasný test binary search pojištění pro jedno RC."""

import sys, time
sys.stdout.reconfigure(encoding="utf-8")
sys.stderr.reconfigure(encoding="utf-8")
from datetime import date, timedelta
from pathlib import Path

sys.path.insert(0, "U:/OrdinaceProjekt")
from Knihovny.vzpb2b_client import VZPB2BClient

CERT_PATH     = Path("U:/OrdinaceProjekt/Insurance/Certificates/picka.pfx")
CERT_PASSWORD = "Vlado7309208104+"
ICZ           = "09305000"
RC            = "485221756"
DELAY         = 1.50   # s

client = VZPB2BClient("prod", str(CERT_PATH), CERT_PASSWORD, icz=ICZ)

call_count = 0

def check(d: date) -> tuple[dict, bool]:
    global call_count
    call_count += 1
    print(f"  [{call_count:02d}] Testuji {d.isoformat()} ...", end=" ", flush=True)
    for attempt in range(3):
        try:
            xml    = client.stav_pojisteni(RC, k_datu=d.isoformat())
            status = client.parse_stav_pojisteni(xml)
            break
        except Exception as e:
            print(f"\n       CHYBA (pokus {attempt+1}/3): {e} — čekám 3s ...", end=" ", flush=True)
            time.sleep(3)
    else:
        print("SELHALO po 3 pokusech, končím.")
        sys.exit(1)
    stav   = status.get("stav")
    poj    = status.get("kodPojistovny")
    active = (status.get("stavVyrizeni") == 1 and stav == "1")
    print(f"stav={stav!r:4s}  pojišťovna={poj!r}  aktivní={active}")
    time.sleep(DELAY)
    return status, active

today      = date.today()
start_date = today - timedelta(days=730)

print("=" * 60)
print(f"RC: {RC}")
print(f"Okno: {start_date} -> {today}")
print("=" * 60)

print("\n[1] Kontrola krajů:")
status_start, active_start = check(start_date)
status_end,   active_end   = check(today)

print()
if not active_start:
    print("✗ Na začátku (−2 roky) již stav != '1' — rozšiřte okno nebo jiná situace.")
    sys.exit(0)

if active_end:
    print("✗ Dnes stále stav '1' — v tomto okně zlom není.")
    sys.exit(0)

print("✓ Levý okraj aktivní, pravý neaktivní → spouštím binary search.\n")
print("[2] Binary search:")

left, right = start_date, today
left_status, right_status = status_start, status_end

while (right - left).days > 1:
    mid = left + timedelta(days=(right - left).days // 2)
    mid_status, mid_active = check(mid)
    if mid_active:
        left, left_status   = mid, mid_status
        direction = "→ posunuji LEFT  doprava"
    else:
        right, right_status = mid, mid_status
        direction = "← posunuji RIGHT doleva"
    print(f"       {direction}  (interval: {left} — {right}, {(right-left).days} dní)")

print()
print("=" * 60)
print("VÝSLEDEK:")
print(f"  Poslední den pojištění (stav=1) : {left}")
print(f"    pojišťovna: {left_status.get('nazevPojistovny')} / stav: {left_status.get('stav')}")
print(f"  První den se změnou             : {right}")
print(f"    pojišťovna: {right_status.get('nazevPojistovny')} / stav: {right_status.get('stav')}")
print(f"  Celkem API volání: {call_count}")
print("=" * 60)