-- Chat Switchboard — 016 Packages (SQLite)
-- Unified package registry. Replaces surface_registry + extensions.
-- v0.28.7

CREATE TABLE IF NOT EXISTS packages (
    id           TEXT PRIMARY KEY,
    title        TEXT NOT NULL,
    type         TEXT NOT NULL DEFAULT 'surface'
                 CHECK (type IN ('surface', 'extension', 'full')),
    version      TEXT NOT NULL DEFAULT '0.0.0',
    description  TEXT NOT NULL DEFAULT '',
    author       TEXT NOT NULL DEFAULT '',
    tier         TEXT NOT NULL DEFAULT 'browser'
                 CHECK (tier IN ('browser', 'starlark', 'sidecar')),
    is_system    INTEGER NOT NULL DEFAULT 0,
    scope        TEXT NOT NULL DEFAULT 'global'
                 CHECK (scope IN ('global', 'team', 'personal')),
    team_id      TEXT REFERENCES teams(id) ON DELETE CASCADE,
    installed_by TEXT REFERENCES users(id) ON DELETE SET NULL,
    manifest     TEXT NOT NULL DEFAULT '{}',
    enabled      INTEGER NOT NULL DEFAULT 1,
    source       TEXT NOT NULL DEFAULT 'core'
                 CHECK (source IN ('core', 'builtin', 'extension')),
    installed_at TEXT NOT NULL DEFAULT (datetime('now')),
    updated_at   TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX IF NOT EXISTS idx_packages_type ON packages(type);
CREATE INDEX IF NOT EXISTS idx_packages_enabled ON packages(enabled);
CREATE INDEX IF NOT EXISTS idx_packages_team ON packages(team_id);
CREATE INDEX IF NOT EXISTS idx_packages_source ON packages(source);


-- Per-user overrides for packages (enable/disable, custom config).
-- Lives in 016 (not 012) because of FK dependency on packages table.

CREATE TABLE IF NOT EXISTS package_user_settings (
    package_id   TEXT NOT NULL REFERENCES packages(id) ON DELETE CASCADE,
    user_id      TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    settings     TEXT    NOT NULL DEFAULT '{}',
    is_enabled   INTEGER NOT NULL DEFAULT 1,
    PRIMARY KEY (package_id, user_id)
);