"""akun default buat login :
    - admin / admin123  (role admin)
    - kasir / kasir123 (role kasir)
    - waiter / waiter123 (role waiter)
    - user / user123 (role pembeli)
    - owner / owner123 (role pemilik)
"""


import sqlite3
import os
import tkinter as tk
from tkinter import ttk, messagebox, filedialog
from PIL import Image, ImageTk

DB_PATH = "cafe_person1.db"
IMG_PREVIEW_SIZE = (120, 80)





# Baguan Database (ati ati)


def init_db():
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute("""
        CREATE TABLE IF NOT EXISTS users (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            username TEXT UNIQUE,
            password TEXT,
            role TEXT
        )
    """)
    c.execute("""
        CREATE TABLE IF NOT EXISTS menu (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            nama TEXT NOT NULL,
            kategori TEXT,
            harga REAL NOT NULL,
            stok INTEGER DEFAULT 0,
            foto TEXT,
            tersedia INTEGER DEFAULT 1,
            item_discount_pct REAL DEFAULT 0  -- per item discount percent (like 10 for 10%)
        )
    """)
    c.execute("""
        CREATE TABLE IF NOT EXISTS promo (
            code TEXT PRIMARY KEY,
            type TEXT CHECK(type IN ('percent','fixed')),
            value REAL,
            min_total REAL DEFAULT 0
        )
    """)
    conn.commit()
    seed_defaults(conn)
    return conn

def seed_defaults(conn):
    c = conn.cursor()
    defaults = [
        ('admin','admin123','admin'),
        ('kasir','kasir123','kasir'),
        ('waiter','waiter123','waiter'),
        ('user','user123','pembeli'),
        ('owner','owner123','pemilik'),
    ]
    for u,p,r in defaults:
        try:
            c.execute("INSERT INTO users (username,password,role) VALUES (?,?,?)", (u,p,r))
        except sqlite3.IntegrityError:
            pass
    sample = [
        ('Americano','Minuman',20000,10,None,1,0),
        ('Latte','Minuman',25000,5,None,1,10),
        ('Banana Cake','Dessert',30000,2,None,1,0),
        ('Nasi Goreng','Makanan',35000,0,None,0,0),
    ]
    for name,kategori,harga,stok,foto,tersedia,disc in sample:
        c.execute("SELECT id FROM menu WHERE nama=?", (name,))
        if c.fetchone() is None:
            c.execute("""INSERT INTO menu (nama,kategori,harga,stok,foto,tersedia,item_discount_pct)
                        VALUES (?,?,?,?,?,?,?)""", (name,kategori,harga,stok,foto,tersedia,disc))
    promos = [
        ('CAFE10','percent',10,0),
        ('HEMAT5000','fixed',5000,20000),
    ]
    for code,ptype,val,min_total in promos:
        try:
            c.execute("INSERT INTO promo (code,type,value,min_total) VALUES (?,?,?,?)", (code,ptype,val,min_total))
        except sqlite3.IntegrityError:
            pass
    conn.commit()

def authenticate(username, password):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute("SELECT id,username,role FROM users WHERE username=? AND password=?", (username,password))
    r = c.fetchone()
    conn.close()
    if r:
        return {'id':r[0],'username':r[1],'role':r[2]}
    return None







# Bagian Menu wel


def menu_add(nama, kategori, harga, stok, foto, item_discount_pct=0):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    tersedia = 1 if stok>0 else 0
    c.execute("""INSERT INTO menu (nama,kategori,harga,stok,foto,tersedia,item_discount_pct)
                VALUES (?,?,?,?,?,?,?)""", (nama,kategori,harga,stok,foto,tersedia,item_discount_pct))
    conn.commit()
    conn.close()

def menu_update(menu_id, nama, kategori, harga, stok, foto, item_discount_pct=0):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    tersedia = 1 if stok>0 else 0
    c.execute("""UPDATE menu SET nama=?,kategori=?,harga=?,stok=?,foto=?,tersedia=?,item_discount_pct=?
                WHERE id=?""", (nama,kategori,harga,stok,foto,tersedia,item_discount_pct, menu_id))
    conn.commit()
    conn.close()

def menu_delete(menu_id):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute("DELETE FROM menu WHERE id=?", (menu_id,))
    conn.commit()
    conn.close()

def menu_list(kategori=None, available_only=False, search_text=None):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    q = "SELECT id,nama,kategori,harga,stok,foto,tersedia,item_discount_pct FROM menu"
    conditions = []
    params = []
    if kategori:
        conditions.append("kategori=?")
        params.append(kategori)
    if available_only:
        conditions.append("tersedia=1")
    if search_text:
        conditions.append("(nama LIKE ? OR kategori LIKE ?)")
        params += [f"%{search_text}%", f"%{search_text}%"]
    if conditions:
        q += " WHERE " + " AND ".join(conditions)
    q += " ORDER BY id ASC"
    c.execute(q, params)
    rows = c.fetchall()
    conn.close()
    return rows

def menu_get(menu_id):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute("SELECT id,nama,kategori,harga,stok,foto,tersedia,item_discount_pct FROM menu WHERE id=?", (menu_id,))
    r = c.fetchone()
    conn.close()
    return r

def menu_decrease_stock(menu_id, qty):
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute("SELECT stok FROM menu WHERE id=?", (menu_id,))
    r = c.fetchone()
    if not r:
        conn.close()
        return False, "Menu tidak ditemukan"
    stok = r[0]
    if stok < qty:
        conn.close()
        return False, "Stok tidak cukup"
    newstok = stok - qty
    tersedia = 1 if newstok>0 else 0
    c.execute("UPDATE menu SET stok=?, tersedia=? WHERE id=?", (newstok, tersedia, menu_id))
    conn.commit()
    conn.close()
    return True, newstok