-- ==========================================
-- Switchboard Core — 003 Packages & Extensions
-- ==========================================

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', 'workflow', 'library')),
    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    BOOLEAN NOT NULL DEFAULT false,
    scope        TEXT NOT NULL DEFAULT 'global'
                 CHECK (scope IN ('global', 'team', 'personal')),
    team_id      UUID REFERENCES teams(id) ON DELETE CASCADE,
    installed_by UUID REFERENCES users(id) ON DELETE SET NULL,
    manifest     JSONB NOT NULL DEFAULT '{}',
    enabled      BOOLEAN NOT NULL DEFAULT true,
    status       TEXT NOT NULL DEFAULT 'active'
                 CHECK (status IN ('active', 'pending_review', 'suspended', 'dormant')),
    schema_version INTEGER NOT NULL DEFAULT 0,
    package_settings JSONB NOT NULL DEFAULT '{}',
    source       TEXT NOT NULL DEFAULT 'core'
                 CHECK (source IN ('core', 'builtin', 'extension', 'registry')),
    installed_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_packages_type ON packages(type);
CREATE INDEX IF NOT EXISTS idx_packages_enabled ON packages(enabled) WHERE enabled = true;
CREATE INDEX IF NOT EXISTS idx_packages_team ON packages(team_id);
CREATE INDEX IF NOT EXISTS idx_packages_source ON packages(source);
CREATE INDEX IF NOT EXISTS idx_packages_status ON packages(status);

-- ── Package User Settings ───────────────────

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

-- ── Extension Permissions ───────────────────

CREATE TABLE IF NOT EXISTS extension_permissions (
    id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    package_id  TEXT NOT NULL REFERENCES packages(id) ON DELETE CASCADE,
    permission  TEXT NOT NULL,
    granted     BOOLEAN NOT NULL DEFAULT false,
    granted_by  UUID REFERENCES users(id) ON DELETE SET NULL,
    granted_at  TIMESTAMPTZ,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE(package_id, permission)
);

CREATE INDEX IF NOT EXISTS idx_ext_perm_package ON extension_permissions(package_id);
CREATE INDEX IF NOT EXISTS idx_ext_perm_granted ON extension_permissions(granted) WHERE granted = true;

-- ── Extension Data Tables Catalog ───────────

CREATE TABLE IF NOT EXISTS ext_data_tables (
    package_id  TEXT        NOT NULL REFERENCES packages(id) ON DELETE CASCADE,
    table_name  TEXT        NOT NULL,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (package_id, table_name)
);

CREATE INDEX IF NOT EXISTS idx_ext_data_tables_pkg ON ext_data_tables(package_id);

-- ── Platform Read View ──────────────────────

CREATE OR REPLACE VIEW ext_view_users AS
    SELECT id, display_name, email FROM users;