CREATE TABLE venues (
    id SERIAL PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    street VARCHAR(255),
    postal_code VARCHAR(20),
    city VARCHAR(100),
    country VARCHAR(100) DEFAULT 'Deutschland',
    latitude DOUBLE PRECISION,
    longitude DOUBLE PRECISION,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE concerts (
    id SERIAL PRIMARY KEY,
    artist VARCHAR(255) NOT NULL,
    venue_id INTEGER REFERENCES venues(id) ON DELETE SET NULL,
    start_datetime TIMESTAMP NOT NULL,
    end_datetime TIMESTAMP,
    description TEXT,
    ticket_url TEXT,
    ticket_price NUMERIC(10,2),
    flyer_path TEXT,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX idx_concerts_start_datetime
    ON concerts(start_datetime);

CREATE INDEX idx_venues_name
    ON venues(name);