CREATE TABLE IF NOT EXISTS records (
    id             INTEGER PRIMARY KEY AUTOINCREMENT,
    event_id       INTEGER NOT NULL REFERENCES events(id),
    level          TEXT NOT NULL CHECK (level IN ('meet', 'city', 'province', 'national')),
    result_value   REAL,
    result_text    TEXT,
    holder_name    TEXT,
    holder_team_id INTEGER REFERENCES teams(id),
    achieved_at    TEXT,
    is_current     INTEGER NOT NULL DEFAULT 1 CHECK (is_current IN (0, 1)),
    source         TEXT NOT NULL DEFAULT 'history' CHECK (source IN ('history', 'current')),
    created_at     TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX IF NOT EXISTS idx_records_event_level ON records(event_id, level, is_current);

CREATE TABLE IF NOT EXISTS record_breaks (
    id           INTEGER PRIMARY KEY AUTOINCREMENT,
    event_id     INTEGER NOT NULL REFERENCES events(id),
    entry_id     INTEGER NOT NULL REFERENCES entries(id),
    level        TEXT NOT NULL CHECK (level IN ('meet', 'city', 'province', 'national')),
    result_value REAL,
    result_text  TEXT,
    bonus_points REAL NOT NULL DEFAULT 0,
    state        TEXT NOT NULL DEFAULT 'pending'
                 CHECK (state IN ('pending', 'approved', 'rejected')),
    -- approved_by 指向系统库 users，跨库不能建外键。
    approved_by  INTEGER,
    approved_at  TEXT,
    created_at   TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX IF NOT EXISTS idx_record_breaks_event_id ON record_breaks(event_id, state);