CREATE TABLE "inventory_items" (
    id VARCHAR(36) NOT NULL,
    name TEXT NOT NULL,
    description TEXT,
    weight INTEGER NOT NULL,
    category_id VARCHAR(36) NOT NULL,
    PRIMARY KEY (id),
    FOREIGN KEY (category_id) REFERENCES inventory_items_categories(id)
);
CREATE UNIQUE INDEX ux_unique ON inventory_items(name, category_id);

CREATE TABLE "inventory_items_categories" (
    id VARCHAR(36) NOT NULL,
    name TEXT NOT NULL,
    description TEXT,
    PRIMARY KEY (id),
    UNIQUE (name)
);

CREATE TABLE "trips" (
    id VARCHAR(36) NOT NULL,
    name TEXT NOT NULL,
    date_start DATE NOT NULL,
    date_end DATE NOT NULL,
    location TEXT,
    state VARCHAR(8) NOT NULL,
    comment TEXT,
    temp_min INTEGER,
    temp_max INTEGER,
    PRIMARY KEY (id),
    UNIQUE (name)
);

CREATE TABLE "trips_types" (
    id VARCHAR(36) NOT NULL,
    name TEXT NOT NULL,
    PRIMARY KEY (id),
    UNIQUE (name)
);

CREATE TABLE "trips_to_trips_types" (
    trip_id VARCHAR(36) NOT NULL,
    trip_type_id VARCHAR(36) NOT NULL,
    PRIMARY KEY (trip_id, trip_type_id),
    FOREIGN KEY(trip_id) REFERENCES "trips" (id),
    FOREIGN KEY(trip_type_id) REFERENCES "trips_types" (id)
);

CREATE TABLE trips_items (
    item_id VARCHAR(36) NOT NULL,
    trip_id VARCHAR(36) NOT NULL,
    pick BOOLEAN NOT NULL,
    pack BOOLEAN NOT NULL,
    new BOOLEAN NOT NULL,
    PRIMARY KEY (item_id, trip_id),
    FOREIGN KEY(item_id) REFERENCES "inventory_items" (id),
    FOREIGN KEY(trip_id) REFERENCES "trips" (id)
);