-- Phase 2 — council portal revisions
-- Adds pull_quote/member_number/focus_tags to users (title already exists
-- from 0003), rebuilds events to widen the kind CHECK + add four columns,
-- creates dispatches, backfills member_numbers for existing cab users.

-- ── users: new columns ─────────────────────────────────────────────
ALTER TABLE users ADD COLUMN pull_quote     TEXT;
ALTER TABLE users ADD COLUMN member_number  INTEGER;
ALTER TABLE users ADD COLUMN focus_tags     TEXT;   -- JSON array, capped 3 × 24 chars at app layer

CREATE UNIQUE INDEX idx_users_member_number ON users(member_number) WHERE member_number IS NOT NULL;

-- Backfill member_numbers for existing CAB users in member-since order,
-- tiebreaking on user.id ascending. Deterministic across machines.
WITH ranked AS (
  SELECT id,
         ROW_NUMBER() OVER (ORDER BY COALESCE(cab_joined_date, created_at) ASC, id ASC) AS rn
  FROM users
  WHERE role = 'cab'
)
UPDATE users
   SET member_number = (SELECT rn FROM ranked WHERE ranked.id = users.id)
 WHERE role = 'cab' AND member_number IS NULL;

-- ── events: rebuild for widened kind enum + 4 new columns ─────────
-- SQLite can't ALTER a CHECK constraint; full rebuild required.
CREATE TABLE events_new (
  id             INTEGER PRIMARY KEY AUTOINCREMENT,
  slug           TEXT    UNIQUE NOT NULL,
  title          TEXT    NOT NULL,
  kind           TEXT    NOT NULL DEFAULT 'dinner'
                 CHECK(kind IN ('dinner','office_hours','summit','virtual','working_session')),
  description    TEXT    NOT NULL DEFAULT '',
  location       TEXT    NOT NULL DEFAULT '',
  starts_at      TEXT    NOT NULL,
  ends_at        TEXT,
  capacity       INTEGER,
  photo_url      TEXT,
  audience       TEXT,
  duration_label TEXT,
  action_label   TEXT,
  notes_url      TEXT,
  created_at     TEXT    NOT NULL DEFAULT (datetime('now')),
  created_by     INTEGER REFERENCES users(id)
);

INSERT INTO events_new
  (id, slug, title, kind, description, location, starts_at, ends_at, capacity, photo_url, created_at, created_by)
SELECT id, slug, title, kind, description, location, starts_at, ends_at, capacity, photo_url, created_at, created_by
FROM events;

DROP TABLE events;
ALTER TABLE events_new RENAME TO events;

CREATE INDEX idx_events_starts_at ON events(starts_at);

-- ── dispatches ────────────────────────────────────────────────────
CREATE TABLE dispatches (
  id           INTEGER PRIMARY KEY AUTOINCREMENT,
  title        TEXT    NOT NULL,
  body         TEXT    NOT NULL,
  excerpt      TEXT,
  kind         TEXT    NOT NULL DEFAULT 'note'
               CHECK (kind IN ('decision','update','behind_the_scenes','note')),
  author_id    INTEGER NOT NULL REFERENCES users(id),
  status       TEXT    NOT NULL DEFAULT 'draft'
               CHECK (status IN ('draft','published','archived')),
  published_at TEXT,
  created_at   TEXT    NOT NULL DEFAULT (datetime('now')),
  updated_at   TEXT    NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX idx_dispatches_published ON dispatches(status, published_at);
CREATE INDEX idx_dispatches_author    ON dispatches(author_id);