---

from flask import Flask, render_template, request, send_file
import psycopg2
import traceback
import os
import tempfile
import xlrd
from xlutils.copy import copy as xl_copy

app = Flask(__name__)

# -------------------- Настройки подключения --------------------
DB_HOST = "172.16.2.38"
DB_PORT = 5432
DB_NAME = "dev_intern"          # <-- уточните имя вашей БД
DB_USER = "dev_intern"
DB_PASSWORD = "Cneltynbr33"

# Путь к шаблону Excel (должен лежать в корне проекта)
TEMPLATE_PATH = "BLANKS6.XLS"

def get_db_connection():
    return psycopg2.connect(
        host=DB_HOST, port=DB_PORT, dbname=DB_NAME,
        user=DB_USER, password=DB_PASSWORD
    )

# -------------------- Главная страница (таблица работников) --------------------
@app.route("/")
def index():
    search_tabnum = request.args.get("tabnum", "").strip()
    search_fam = request.args.get("fam", "").strip()

    try:
        conn = get_db_connection()
        cur = conn.cursor()
        # Выбираем основные поля, первым обязательно Tabnum
        query = "SELECT Tabnum, fam, imja, otch, nam_dol FROM rabotnik WHERE 1=1"
        params = []
        if search_tabnum:
            query += " AND Tabnum = %s"
            params.append(search_tabnum)
        if search_fam:
            query += " AND fam ILIKE %s"
            params.append(f"%{search_fam}%")
        query += " ORDER BY fam, imja"

        cur.execute(query, params)
        rows = cur.fetchall()
        columns = [desc[0] for desc in cur.description]
        cur.close()
        conn.close()

        return render_template("index.html", rows=rows, columns=columns,
                               search_tabnum=search_tabnum, search_fam=search_fam)
    except Exception as e:
        return f"<h2>Ошибка загрузки работников</h2><pre>{traceback.format_exc()}</pre>"

# -------------------- Страница детей работника --------------------
@app.route("/employee/<tabnum>/children")
def select_children(tabnum):
    try:
        conn = get_db_connection()
        cur = conn.cursor()
        # Данные работника
        cur.execute("SELECT fam, imja, otch, Tabnum, nam_dol FROM rabotnik WHERE Tabnum = %s", (tabnum,))
        worker = cur.fetchone()
        if not worker:
            return f"<h2>Работник с таб. № {tabnum} не найден</h2><a href='/'>Назад</a>"

        # Получаем детей
        cur.execute("SELECT id, fam_rod, imja_rod, otch_rod, drog_rod, step_rod, pol_rod FROM deti WHERE tabnum = %s ORDER BY id", (tabnum,))
        children = cur.fetchall()
        cur.close()
        conn.close()

        return render_template("select_children.html", worker=worker, children=children)
    except Exception as e:
        return f"<h2>Ошибка загрузки детей</h2><pre>{traceback.format_exc()}</pre>"

# -------------------- Экспорт ФИО работника в BLANKS6.XLS --------------------
@app.route("/employee/<tabnum>/export_worker")
def export_worker(tabnum):
    try:
        conn = get_db_connection()
        cur = conn.cursor()
        cur.execute("SELECT fam, imja, otch FROM rabotnik WHERE Tabnum = %s", (tabnum,))
        worker = cur.fetchone()
        cur.close()
        conn.close()

        if not worker:
            return "Работник не найден"

        # Проверяем шаблон
        if not os.path.exists(TEMPLATE_PATH):
            return f"Файл шаблона {TEMPLATE_PATH} не найден. Положите его в папку с проектом."

        rb = xlrd.open_workbook(TEMPLATE_PATH, formatting_info=True)
        wb = xl_copy(rb)
        ws = wb.get_sheet(0)  # первый лист

        # Строки для работника: 15, 16, 17 → индексы 14, 15, 16
        rows_for_worker = [14, 15, 16]
        col_d = 3  # колонка D (A=0, B=1, C=2, D=3)

        fam, imja, otch = worker

        for row_idx in rows_for_worker:
            # ВАРИАНТ 1: пишем отдельно фамилию, имя, отчество в D, E, F
            ws.write(row_idx, col_d, fam)      # D
            ws.write(row_idx, col_d+1, imja)   # E
            ws.write(row_idx, col_d+2, otch)   # F

            # ВАРИАНТ 2 (если ячейка D15:DQ15 объединена):
            # full_name = f"{fam} {imja} {otch}"
            # ws.write(row_idx, col_d, full_name)

        # Сохраняем во временный файл и отдаём
        fd, tmp_path = tempfile.mkstemp(suffix=".xls")
        os.close(fd)
        wb.save(tmp_path)
        return send_file(tmp_path, as_attachment=True,
                         download_name=f"BLANKS6_{tabnum}.xls",
                         mimetype="application/vnd.ms-excel")

    except Exception as e:
        return f"<h2>Ошибка экспорта</h2><pre>{traceback.format_exc()}</pre>"

# -------------------- Запуск --------------------
if __name__ == "__main__":
    app.run(debug=True, host="0.0.0.0", port=5000)