-- Chat Switchboard — 007 Notes & Links (SQLite)

CREATE TABLE IF NOT EXISTS notes (
    id                  TEXT PRIMARY KEY,
    user_id             TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    title               TEXT NOT NULL,
    content             TEXT DEFAULT '',
    folder_path         TEXT DEFAULT '/',
    tags                TEXT DEFAULT '[]',
    metadata            TEXT DEFAULT '{}',
    source_channel_id   TEXT REFERENCES channels(id) ON DELETE SET NULL,
    source_message_id   TEXT,
    team_id             TEXT REFERENCES teams(id) ON DELETE SET NULL,
    created_at          TEXT DEFAULT (datetime('now')),
    updated_at          TEXT DEFAULT (datetime('now'))
);

CREATE INDEX IF NOT EXISTS idx_notes_user ON notes(user_id);
CREATE INDEX IF NOT EXISTS idx_notes_folder ON notes(user_id, folder_path);
CREATE INDEX IF NOT EXISTS idx_notes_updated ON notes(user_id, updated_at);
CREATE INDEX IF NOT EXISTS idx_notes_team ON notes(team_id);
CREATE INDEX IF NOT EXISTS idx_notes_source_msg ON notes(source_message_id);

CREATE TABLE IF NOT EXISTS note_links (
    source_note_id  TEXT NOT NULL REFERENCES notes(id) ON DELETE CASCADE,
    target_note_id  TEXT REFERENCES notes(id) ON DELETE CASCADE,
    target_title    TEXT NOT NULL,
    display_text    TEXT,
    is_transclusion INTEGER NOT NULL DEFAULT 0,
    created_at      TEXT DEFAULT (datetime('now')),
    PRIMARY KEY (source_note_id, target_title)
);

CREATE INDEX IF NOT EXISTS idx_note_links_target ON note_links(target_note_id);