CREATE TABLE IF NOT EXISTS match_sheet_details (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    match_id BIGINT UNSIGNED NOT NULL,
    team_id BIGINT UNSIGNED,
    captain_player_id BIGINT UNSIGNED,
    coach_name VARCHAR(160),
    observations TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_sheet_details_match FOREIGN KEY (match_id) REFERENCES matches(id) ON DELETE CASCADE,
    CONSTRAINT fk_sheet_details_team FOREIGN KEY (team_id) REFERENCES teams(id) ON DELETE CASCADE,
    CONSTRAINT fk_sheet_details_captain FOREIGN KEY (captain_player_id) REFERENCES players(id) ON DELETE SET NULL,
    UNIQUE KEY uq_sheet_match_team (match_id, team_id)
) ENGINE=InnoDB;