-- smb-crm — source-of-truth schema (Postgres).
-- Google Sheets is a one-way downstream mirror fed by the DB->Sheets sync.
-- Column sets mirror the Sheet tabs so the mirror stays 1:1.

CREATE TABLE IF NOT EXISTS clients (
    client_id        text PRIMARY KEY,
    business_name    text,
    owner_name       text,
    email            text,
    phone            text,
    niche            text,
    tier             text,
    status           text,
    domain           text,
    stack_notes      text,
    vault_ref        text,
    services         text,
    billing_cycle    text,
    monthly_fee_eur  numeric,
    start_date       date,
    renewal_date     date,
    created_at       timestamptz,
    notes            text,
    notify_channel   text,
    updated_at       timestamptz NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS leads (
    lead_id          text PRIMARY KEY,
    received_at      timestamptz,
    client_id        text,
    source           text,
    name             text,
    contact          text,
    service_interest text,
    message          text,
    status           text,
    notified         boolean,
    updated_at       timestamptz NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS projects (
    project_id    text PRIMARY KEY,
    client_id     text,
    deliverable   text,
    tier          text,
    checklist     text,
    go_live_date  date,
    status        text,
    updated_at    timestamptz NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS activity_log (
    id         bigserial PRIMARY KEY,
    ts         timestamptz,
    workflow   text,
    client_id  text,
    action     text,
    detail     text,
    result     text
);

CREATE TABLE IF NOT EXISTS bookings (
    booking_id        text PRIMARY KEY,
    created_at        timestamptz,
    client_id         text,
    customer_name     text,
    customer_contact  text,
    service           text,
    start_time        timestamptz,
    end_time          timestamptz,
    source            text,
    status            text,
    updated_at        timestamptz NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS invoices (
    invoice_id   text PRIMARY KEY,
    client_id    text,
    issued_date  date,
    due_date     date,
    amount_eur   numeric,
    period       text,
    status       text,
    paid_date    date,
    updated_at   timestamptz NOT NULL DEFAULT now()
);

-- Per-client login credentials (e.g. the auto-generated Easy!Appointments
-- provider login). Deliberately NOT mirrored to Sheets — see db.py TABLES
-- ("mirror": False) — so secrets never leave Postgres.
CREATE TABLE IF NOT EXISTS credentials (
    cred_id      text PRIMARY KEY,
    client_id    text,
    label        text,
    username     text,
    secret       text,
    notes        text,
    created_at   timestamptz,
    updated_at   timestamptz NOT NULL DEFAULT now()
);

-- keep updated_at fresh on row changes
CREATE OR REPLACE FUNCTION touch_updated_at() RETURNS trigger AS $$
BEGIN NEW.updated_at = now(); RETURN NEW; END;
$$ LANGUAGE plpgsql;

DO $$
DECLARE t text;
BEGIN
  FOREACH t IN ARRAY ARRAY['clients','leads','projects','bookings','invoices','credentials'] LOOP
    EXECUTE format(
      'CREATE TRIGGER %I_touch BEFORE UPDATE ON %I FOR EACH ROW EXECUTE FUNCTION touch_updated_at()',
      t, t);
  END LOOP;
END $$;

CREATE INDEX IF NOT EXISTS leads_received_idx   ON leads (received_at DESC);
CREATE INDEX IF NOT EXISTS clients_status_idx   ON clients (status);
CREATE INDEX IF NOT EXISTS activity_ts_idx      ON activity_log (ts DESC);
CREATE INDEX IF NOT EXISTS credentials_client_idx ON credentials (client_id);