CREATE TABLE IF NOT EXISTS channels (id VARCHAR(40), detail TEXT, private BOOL, PRIMARY KEY(id));

CREATE TABLE IF NOT EXISTS users (email VARCHAR(40), nickname VARCHAR(40) UNIQUE, password VARCHAR(40), propic TEXT, PRIMARY KEY(email));

CREATE TABLE IF NOT EXISTS allowed_users (user_email VARCHAR(40), channel_id VARCHAR(40), PRIMARY KEY(user_email,channel_id), 
    FOREIGN KEY(user_email) REFERENCES users(email));

CREATE TABLE IF NOT EXISTS messages (id VARCHAR(40), channel_id VARCHAR(40), data TEXT, author VARCHAR(40),ts timestamp NOT NULL DEFAULT NOW(), PRIMARY KEY(id), 
    FOREIGN KEY(author) REFERENCES users(email));

INSERT INTO channels (id, detail, private) VALUES ('Crypto','web3 without crypto?',FALSE);
INSERT INTO channels (id, detail, private) VALUES ('Random','whatever',FALSE);
INSERT INTO channels (id, detail, private) VALUES ('Brews','Share your best caffeine based concoction',FALSE);