"""
===============================================================================
FILE: core/schema.py
PROJECT: SCUD Orion AI (Unified Architecture)
ROLE: DDL-схемы таблиц, создание индексов и инициализация базы данных.
===============================================================================
"""

import logging
from core.connection import get_connection

logger = logging.getLogger("DB_SCHEMA")


def init_all_tables() -> None:
    """Инициализирует все таблицы и индексы системы."""
    with get_connection() as conn:
        cursor = conn.cursor()

        # 1. Логи СКУД
        cursor.execute("""
        CREATE TABLE IF NOT EXISTS scud_logs (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            log_date TEXT NOT NULL,
            fio TEXT NOT NULL,
            fio_clean TEXT NOT NULL,
            department TEXT,
            position TEXT,
            time_in TEXT,
            first_activity TEXT DEFAULT '—',
            time_out TEXT,
            time_in_building TEXT,
            is_present INTEGER NOT NULL,
            anomaly_flag TEXT DEFAULT 'NONE',
            snapshot_time TEXT DEFAULT NULL,
            snapshot_id TEXT DEFAULT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        # 2. Кадровые реестры 1С
        cursor.execute("""
        CREATE TABLE IF NOT EXISTS zup_staff (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            snapshot_date TEXT NOT NULL,
            fio TEXT NOT NULL,
            fio_clean TEXT NOT NULL,
            department TEXT,
            position TEXT,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS zup_absences (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            absence_date TEXT NOT NULL,
            fio TEXT NOT NULL,
            fio_clean TEXT NOT NULL,
            absence_type TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        # 3. Аномалии и база знаний
        cursor.execute("""
        CREATE TABLE IF NOT EXISTS anomalies_history (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            anomaly_date TEXT NOT NULL,
            fio TEXT NOT NULL,
            anomaly_type TEXT NOT NULL,
            details TEXT NOT NULL,
            human_status TEXT DEFAULT 'Pending',
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS ai_knowledge_base (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            rule_text TEXT UNIQUE NOT NULL,
            added_by TEXT DEFAULT 'Human',
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS department_synonyms (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            short_name TEXT UNIQUE NOT NULL,
            full_name TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        # 4. Узлы системного промпта и сессии
        cursor.execute("""
        CREATE TABLE IF NOT EXISTS system_prompt_nodes (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            prompt_name TEXT DEFAULT 'main_agent',
            section_id INTEGER NOT NULL,
            item_id INTEGER NOT NULL,
            content TEXT NOT NULL,
            is_active INTEGER DEFAULT 1,
            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            UNIQUE(prompt_name, section_id, item_id)
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS session_states (
            session_id TEXT PRIMARY KEY,
            state_type TEXT NOT NULL,
            pending_data TEXT,
            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS chat_messages (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            session_id TEXT NOT NULL,
            role TEXT NOT NULL,
            content TEXT NOT NULL,
            is_ephemeral INTEGER DEFAULT 0,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        cursor.execute("""
        CREATE TABLE IF NOT EXISTS exceptions_registry (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            category TEXT NOT NULL, -- 'department', 'position', 'fio', 'position_keyword', 'include_fio', 'remote_worker'
            value TEXT NOT NULL,
            comment TEXT,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            UNIQUE(category, value)
        );
        """)

        # 5. Задачи
        cursor.execute("""
        CREATE TABLE IF NOT EXISTS tasks (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            task_id TEXT,
            module TEXT DEFAULT 'general',
            title TEXT NOT NULL,
            priority TEXT DEFAULT 'MEDIUM',
            status TEXT DEFAULT 'BACKLOG',
            due_date TEXT,
            user_id INTEGER DEFAULT 1,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        """)

        # 6. Индексы
        cursor.execute("CREATE INDEX IF NOT EXISTS idx_scud_date ON scud_logs(log_date);")
        cursor.execute("CREATE INDEX IF NOT EXISTS idx_scud_fio ON scud_logs(fio_clean);")
        cursor.execute("CREATE INDEX IF NOT EXISTS idx_scud_snapshot ON scud_logs(snapshot_time);")
        cursor.execute("CREATE INDEX IF NOT EXISTS idx_prompt_nodes ON system_prompt_nodes(prompt_name, section_id, item_id);")

        conn.commit()