CREATE TABLE IF NOT EXISTS profiles (
    id          INTEGER PRIMARY KEY AUTOINCREMENT,
    name        TEXT    NOT NULL UNIQUE,
    latitude    REAL    NOT NULL,
    longitude   REAL    NOT NULL,
    timezone    TEXT    NOT NULL DEFAULT 'Europe/Berlin',
    created_at  TEXT    NOT NULL DEFAULT (datetime('now')),
    updated_at  TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS rooms (
    id              INTEGER PRIMARY KEY AUTOINCREMENT,
    profile_id      INTEGER NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    name            TEXT    NOT NULL,
    area_sqm        REAL    NOT NULL,
    ceiling_height_m REAL   NOT NULL DEFAULT 2.5,
    floor           INTEGER NOT NULL DEFAULT 0,
    orientation     TEXT    NOT NULL DEFAULT 'N',
    shading_type    TEXT    NOT NULL DEFAULT 'none',
    shading_factor  REAL    NOT NULL DEFAULT 1.0,
    ventilation     TEXT    NOT NULL DEFAULT 'natural',
    ventilation_ach REAL    NOT NULL DEFAULT 0.5,
    window_fraction REAL    NOT NULL DEFAULT 0.15,
    shgc            REAL    NOT NULL DEFAULT 0.6,
    insulation      TEXT    NOT NULL DEFAULT 'average',
    created_at      TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS occupants (
    id              INTEGER PRIMARY KEY AUTOINCREMENT,
    room_id         INTEGER NOT NULL REFERENCES rooms(id) ON DELETE CASCADE,
    count           INTEGER NOT NULL DEFAULT 1,
    activity_level  TEXT    NOT NULL DEFAULT 'sedentary',
    vulnerable      INTEGER NOT NULL DEFAULT 0
);

CREATE TABLE IF NOT EXISTS devices (
    id              INTEGER PRIMARY KEY AUTOINCREMENT,
    room_id         INTEGER NOT NULL REFERENCES rooms(id) ON DELETE CASCADE,
    name            TEXT    NOT NULL,
    device_type     TEXT    NOT NULL,
    watts_idle      REAL    NOT NULL DEFAULT 0,
    watts_typical   REAL    NOT NULL DEFAULT 0,
    watts_peak      REAL    NOT NULL DEFAULT 0,
    duty_cycle      REAL    NOT NULL DEFAULT 1.0,
    schedule        TEXT    NOT NULL DEFAULT '{}',
    created_at      TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS ac_units (
    id              INTEGER PRIMARY KEY AUTOINCREMENT,
    profile_id      INTEGER NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    name            TEXT    NOT NULL,
    ac_type         TEXT    NOT NULL DEFAULT 'portable',
    capacity_btu    REAL    NOT NULL,
    has_dehumidify  INTEGER NOT NULL DEFAULT 0,
    efficiency_eer  REAL    NOT NULL DEFAULT 10.0,
    created_at      TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS ac_room_assignments (
    ac_id   INTEGER NOT NULL REFERENCES ac_units(id) ON DELETE CASCADE,
    room_id INTEGER NOT NULL REFERENCES rooms(id) ON DELETE CASCADE,
    PRIMARY KEY (ac_id, room_id)
);

CREATE TABLE IF NOT EXISTS forecasts (
    id              INTEGER PRIMARY KEY AUTOINCREMENT,
    profile_id      INTEGER NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    timestamp       TEXT    NOT NULL,
    temperature_c   REAL,
    humidity_pct    REAL,
    wind_speed_ms   REAL,
    cloud_cover_pct REAL,
    precipitation_mm REAL,
    sunshine_min    REAL,
    pressure_hpa    REAL,
    dew_point_c     REAL,
    apparent_temp_c REAL,
    condition       TEXT,
    source          TEXT    NOT NULL,
    fetched_at      TEXT    NOT NULL DEFAULT (datetime('now')),
    UNIQUE(profile_id, timestamp, source)
);

CREATE TABLE IF NOT EXISTS warnings (
    id          INTEGER PRIMARY KEY AUTOINCREMENT,
    profile_id  INTEGER NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    warning_id  TEXT    NOT NULL UNIQUE,
    event_type  TEXT,
    severity    TEXT,
    headline    TEXT,
    description TEXT,
    instruction TEXT,
    onset       TEXT,
    expires     TEXT,
    fetched_at  TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS toggles (
    id           INTEGER PRIMARY KEY AUTOINCREMENT,
    profile_id   INTEGER NOT NULL REFERENCES profiles(id) ON DELETE CASCADE,
    name         TEXT    NOT NULL,
    active       INTEGER NOT NULL DEFAULT 0,
    activated_at TEXT
);

CREATE TABLE IF NOT EXISTS llm_settings (
    id          INTEGER PRIMARY KEY CHECK (id = 1),
    provider    TEXT    NOT NULL DEFAULT 'none',
    model       TEXT    NOT NULL DEFAULT '',
    endpoint    TEXT    NOT NULL DEFAULT '',
    api_key_enc TEXT    NOT NULL DEFAULT '',
    updated_at  TEXT    NOT NULL DEFAULT (datetime('now'))
);