-- =====================================================================
-- Handwerksfreund - PostgreSQL / Supabase Schema & Initial Data
-- =====================================================================

-- 1. Kunden-Tabelle (customers)
CREATE TABLE IF NOT EXISTS customers (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    customer_number VARCHAR(50) UNIQUE NOT NULL,
    name VARCHAR(255) NOT NULL,
    street VARCHAR(255) NOT NULL,
    zip_code VARCHAR(20) NOT NULL,
    city VARCHAR(255) NOT NULL,
    latitude DOUBLE PRECISION NOT NULL,
    longitude DOUBLE PRECISION NOT NULL,
    distance_km DOUBLE PRECISION DEFAULT 0.0,
    phone VARCHAR(50),
    email VARCHAR(255),
    notes TEXT,
    first_contact_date DATE DEFAULT CURRENT_DATE,
    open_orders_count INT DEFAULT 0,
    last_order_date DATE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- 2. Verbaute Teile / Gerätekartei (installed_parts)
CREATE TABLE IF NOT EXISTS installed_parts (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    customer_id UUID REFERENCES customers(id) ON DELETE CASCADE,
    name VARCHAR(255) NOT NULL,
    category VARCHAR(255) NOT NULL,
    serial_number VARCHAR(255),
    quantity INT DEFAULT 1,
    installed_at DATE DEFAULT CURRENT_DATE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- 3. Aufträge (work_orders)
CREATE TABLE IF NOT EXISTS work_orders (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    customer_id UUID REFERENCES customers(id) ON DELETE CASCADE,
    title VARCHAR(255) NOT NULL,
    description TEXT,
    scheduled_date DATE DEFAULT CURRENT_DATE,
    status VARCHAR(50) DEFAULT 'offen', -- offen, inBearbeitung, abgeschlossen, storniert
    completed_at TIMESTAMP WITH TIME ZONE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- 4. Auftrags-Anhänge & Baupläne (order_attachments)
CREATE TABLE IF NOT EXISTS order_attachments (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    order_id UUID REFERENCES work_orders(id) ON DELETE CASCADE,
    title VARCHAR(255) NOT NULL,
    category VARCHAR(50) DEFAULT 'sonstiges', -- bauplan, schaltplan, foto_vor_ort, abnahmeprotokoll, sonstiges
    file_path TEXT NOT NULL,
    file_size_bytes BIGINT,
    mime_type VARCHAR(100),
    uploaded_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- 5. Termin-Einträge / Zeitleiste (schedule_items)
CREATE TABLE IF NOT EXISTS schedule_items (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    order_id UUID REFERENCES work_orders(id) ON DELETE SET NULL,
    customer_id UUID REFERENCES customers(id) ON DELETE SET NULL,
    title VARCHAR(255) NOT NULL,
    customer_name VARCHAR(255),
    address VARCHAR(255),
    task_description TEXT,
    start_time VARCHAR(10) NOT NULL, -- z.B. "10:30"
    end_time VARCHAR(10) NOT NULL,   -- z.B. "13:00"
    type VARCHAR(50) DEFAULT 'job', -- job, routine, lunchBreak, feierabend
    is_completed BOOLEAN DEFAULT FALSE,
    is_in_progress BOOLEAN DEFAULT FALSE,
    scheduled_date DATE DEFAULT CURRENT_DATE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- RLS (Row Level Security) aktivieren
ALTER TABLE customers ENABLE ROW LEVEL SECURITY;
ALTER TABLE installed_parts ENABLE ROW LEVEL SECURITY;
ALTER TABLE work_orders ENABLE ROW LEVEL SECURITY;
ALTER TABLE order_attachments ENABLE ROW LEVEL SECURITY;
ALTER TABLE schedule_items ENABLE ROW LEVEL SECURITY;

-- Öffentliche Lese- & Schreib-Policies für Prototyping
CREATE POLICY "Public Customers Access" ON customers FOR ALL USING (true) WITH CHECK (true);
CREATE POLICY "Public Parts Access" ON installed_parts FOR ALL USING (true) WITH CHECK (true);
CREATE POLICY "Public Orders Access" ON work_orders FOR ALL USING (true) WITH CHECK (true);
CREATE POLICY "Public Attachments Access" ON order_attachments FOR ALL USING (true) WITH CHECK (true);
CREATE POLICY "Public Schedule Access" ON schedule_items FOR ALL USING (true) WITH CHECK (true);

-- =====================================================================
-- Seed Data (Initial-Daten aus dem Mockup)
-- =====================================================================

INSERT INTO customers (id, customer_number, name, street, zip_code, city, latitude, longitude, distance_km, phone, email, notes, first_contact_date, open_orders_count, last_order_date)
VALUES 
('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'K-10025', 'Max Mustermann', 'Musterweg 12', '12345', 'Musterstadt', 50.1135, 8.6790, 2.4, '0171 1234567', 'max.mustermann@email.de', 'Schlüsselbox an der Garage', '2022-03-10', 1, '2024-05-15'),
('b0eebc99-9c0b-4ef8-bb6d-6bb9bd380a22', 'K-10026', 'Sabine Schulze', 'Nordring 45', '12347', 'Musterstadt', 50.1265, 8.6890, 4.1, '0160 9876543', 'sabine.schulze@example.com', 'Hund im Garten, bitte vorher anrufen.', '2021-11-04', 0, '2024-04-10'),
('c0eebc99-9c0b-4ef8-bb6d-6bb9bd380a33', 'K-10027', 'Bäckerei Hoffmann GmbH', 'Hauptstraße 88', '12345', 'Musterstadt', 50.1080, 8.6650, 1.8, '069 5551234', 'info@baeckerei-hoffmann.de', 'Zufahrt über den Lieferanteneingang Rückseite.', '2020-01-15', 2, '2024-06-01')
ON CONFLICT (customer_number) DO NOTHING;

INSERT INTO installed_parts (customer_id, name, category, serial_number, quantity)
VALUES
('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'Buderus Logamax plus GB172-24', 'Gas-Brennwertgerät', '8374747383', 1),
('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'Bosch EasyControl CT200', 'Raumthermostat', '1234567890', 1),
('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'Honeywell Hauswasserfilter FF06', 'Wasserfilter', '9876543210', 1);

INSERT INTO work_orders (id, customer_id, title, status, scheduled_date)
VALUES
('d0eebc99-9c0b-4ef8-bb6d-6bb9bd380a44', 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'Wartung Heizungsanlage', 'abgeschlossen', '2024-05-15'),
('e0eebc99-9c0b-4ef8-bb6d-6bb9bd380a55', 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11', 'Thermostat Einstellung & Kalibrierung', 'offen', '2026-08-02');