CREATE TABLE players(id INTEGER PRIMARY KEY, name TEXT NOT NULL, token TEXT NOT NULL);

CREATE TABLE jobs(id INTEGER PRIMARY KEY, player INTEGER, instruction INTEGER, status INTEGER, time TEXT DEFAULT NULL, FOREIGN KEY(player) REFERENCES players(id), FOREIGN KEY(instruction) REFERENCES instructions(id));

CREATE TABLE tasks(job INTEGER, task INTEGER, status INTEGER, FOREIGN KEY(job) REFERENCES jobs(id));

CREATE TABLE instructions(id INTEGER PRIMARY KEY, name TEXT UNIQUE NOT NULL);

CREATE TABLE available(instruction INTEGER, player INTEGER, FOREIGN KEY(instruction) REFERENCES instructions(id), FOREIGN KEY(player) REFERENCES players(id), UNIQUE(instruction, player));

CREATE TABLE groups(id INTEGER PRIMARY KEY, name TEXT UNIQUE NOT NULL);

CREATE TABLE group_instructions(group_id INTEGER, instruction INTEGER, player INTEGER, FOREIGN KEY(group_id) REFERENCES groups(id) ON DELETE CASCADE, FOREIGN KEY(instruction) REFERENCES instructions(id) ON DELETE CASCADE, FOREIGN KEY(player) REFERENCES players(id) ON DELETE CASCADE);