-- ==========================================
-- Switchboard Core — 004 Connections & Dependencies (SQLite)
-- ==========================================

CREATE TABLE IF NOT EXISTS ext_connections (
    id          TEXT PRIMARY KEY,
    type        TEXT NOT NULL,
    package_id  TEXT NOT NULL,
    scope       TEXT NOT NULL CHECK (scope IN ('global', 'team', 'personal')),
    owner_id    TEXT NOT NULL DEFAULT '',
    name        TEXT NOT NULL,
    config      TEXT NOT NULL DEFAULT '{}',
    is_active   INTEGER DEFAULT 1,
    created_at  TEXT DEFAULT (datetime('now')),
    updated_at  TEXT DEFAULT (datetime('now')),
    UNIQUE(type, scope, owner_id, name)
);

CREATE INDEX IF NOT EXISTS idx_ext_connections_type ON ext_connections(type);
CREATE INDEX IF NOT EXISTS idx_ext_connections_scope ON ext_connections(scope);
CREATE INDEX IF NOT EXISTS idx_ext_connections_owner ON ext_connections(owner_id);
CREATE INDEX IF NOT EXISTS idx_ext_connections_active ON ext_connections(is_active);

CREATE TRIGGER IF NOT EXISTS ext_connections_updated_at AFTER UPDATE ON ext_connections
    FOR EACH ROW WHEN NEW.updated_at = OLD.updated_at
    BEGIN UPDATE ext_connections SET updated_at = datetime('now') WHERE id = NEW.id; END;

CREATE TABLE IF NOT EXISTS ext_dependencies (
    consumer_id  TEXT NOT NULL,
    library_id   TEXT NOT NULL,
    version_spec TEXT NOT NULL DEFAULT '>=0.0.0',
    resolved_ver TEXT NOT NULL DEFAULT '0.0.0',
    PRIMARY KEY (consumer_id, library_id),
    FOREIGN KEY (consumer_id) REFERENCES packages(id) ON DELETE CASCADE,
    FOREIGN KEY (library_id)  REFERENCES packages(id)
);

CREATE INDEX IF NOT EXISTS idx_ext_deps_consumer ON ext_dependencies(consumer_id);
CREATE INDEX IF NOT EXISTS idx_ext_deps_library ON ext_dependencies(library_id);

CREATE TABLE IF NOT EXISTS resource_grants (
    id              TEXT PRIMARY KEY,
    resource_type   TEXT NOT NULL,
    resource_id     TEXT NOT NULL,
    grant_scope     TEXT NOT NULL DEFAULT 'team_only'
                    CHECK (grant_scope IN ('team_only', 'global', 'groups')),
    granted_groups  TEXT NOT NULL DEFAULT '[]',
    created_by      TEXT NOT NULL REFERENCES users(id),
    created_at      TEXT DEFAULT (datetime('now')),
    updated_at      TEXT DEFAULT (datetime('now')),
    UNIQUE(resource_type, resource_id)
);

CREATE INDEX IF NOT EXISTS idx_resource_grants_resource
    ON resource_grants(resource_type, resource_id);

CREATE TRIGGER IF NOT EXISTS resource_grants_updated_at AFTER UPDATE ON resource_grants
    FOR EACH ROW WHEN NEW.updated_at = OLD.updated_at
    BEGIN UPDATE resource_grants SET updated_at = datetime('now') WHERE id = NEW.id; END;