create database fas2 encoding = 'UTF8';
\c fas2

create trusted procedural language plpgsql
    handler plpgsql_call_handler
    validator plpgsql_validator;

CREATE SEQUENCE cert_seq;
SELECT setval('cert_seq', 1);

CREATE SEQUENCE person_seq;
-- TODO: Set this to start where our last person_id is
SELECT setval('person_seq', 100000);

CREATE SEQUENCE group_seq;
-- TODO: Set this to start where our last group_id is
SELECT setval('group_seq', 100000);

CREATE TABLE people (
	id INTEGER PRIMARY KEY NOT NULL DEFAULT nextval('person_seq'),
	username VARCHAR(32) UNIQUE NOT NULL,
	human_name TEXT NOT NULL,
	-- TODO: Switch to this?
	-- Also, app would be responsible for eliminating spaces and
	-- uppercasing
	-- gpg_fingerprint varchar(40),
	gpg_keyid VARCHAR(17),
	ssh_key TEXT,
	password VARCHAR(127) NOT NULL,
	comments TEXT,
	postal_address TEXT,
	telephone TEXT,
	facsimile TEXT,
	affiliation TEXT,
	certificate_serial integer default nextval('cert_seq'),
	creation TIMESTAMP DEFAULT NOW(),
	approval_status TEXT DEFAULT 'unapproved',
	internal_comments TEXT,
	ircnick TEXT,
	last_seen TIMESTAMP DEFAULT NOW(),
	status TEXT,
	status_change TIMESTAMP DEFAULT NOW(),
	check (status in ('active', 'vacation', 'inactive', 'pinged')),
	check (gpg_keyid ~ '^[0-9A-F]{17}$')
);

CREATE TABLE configs (
	id SERIAL PRIMARY KEY,
	person_id integer references people(id),
	application text not null,
	attribute text not null,
	-- The value should be a simple value or a json string.
	-- Please create more config keys rather than abusing this with
	-- large datastructures.
	value TEXT,
	check (application in ('asterisk', 'moin', 'myfedora'))
);

CREATE TABLE groups (
	id INTEGER PRIMARY KEY NOT NULL DEFAULT nextval('group_seq'),
	name VARCHAR(32) UNIQUE NOT NULL,
	owner_id INTEGER NOT NULL REFERENCES people(id),
	group_type VARCHAR(16),
	needs_sponsor INTEGER DEFAULT 0,
	user_can_remove INTEGER DEFAULT 1,
    prerequisite_id INTEGER REFERENCES groups(id),
    joinmsg TEXT NULL DEFAULT '',
    check (group_type in ('bugzilla','cvs', 'bzr', 'git', 'hg', 'mtn',
          'svn', 'shell', 'torrent', 'tracker', 'tracking', 'user')) 
);

create table person_emails (
      email text not null unique,
      person_id integer references people(id) not null,
      purpose text not null,
      primary key (person_id, email),
      check (purpose in ('bugzilla', 'primary', 'cla')),
      check (email ~ '^[a-zA-Z0-9.]@[a-zA-Z0-9.][.][a-zA-Z]$'),
      unique (person_id, purpose)
);

create table group_emails (
      email text not null unique,
      group_id integer references groups(id) not null,
      purpose text not null,
      primary key (group_id, email),
      check (purpose in ('bugzilla', 'primary', 'cla')),
      unique (group_id, purpose)
);

CREATE TABLE group_roles (
      member_id INTEGER NOT NULL REFERENCES groups(id),
      group_id INTEGER NOT NULL REFERENCES groups(id),
      role_type text NOT NULL,
      role_status text DEFAULT 'unapproved',
      internal_comments text,
      sponsor_id INTEGER REFERENCES people(id),
      creation TIMESTAMP DEFAULT NOW(),
      approval TIMESTAMP DEFAULT NOW(),
      UNIQUE (member_id, group_id),
      check (role_status in ('approved', 'unapproved')),
      check (role_type in ('user', 'administrator', 'sponsor'))
);

CREATE TABLE person_roles (
	person_id INTEGER NOT NULL REFERENCES people(id),
	group_id INTEGER NOT NULL REFERENCES groups(id),
--    role_type is something like "user", "administrator", etc.
--    role_status tells us whether this has been approved or not
	role_type text NOT NULL,
	role_status text DEFAULT 'unapproved',
	internal_comments text,
	sponsor_id INTEGER REFERENCES people(id),
	creation TIMESTAMP DEFAULT NOW(),
      approval TIMESTAMP DEFAULT NOW(),
	UNIQUE (person_id, group_id),
	check (role_status in ('approved', 'unapproved')),
	check (role_type in ('user', 'administrator', 'sponsor'))
);

-- action r == remove
-- action a == add
create table bugzilla_queue (
    email text not null,
    group_id int references groups(id) not null,
    person_id int references people(id) not null,
    action char(1) not null,
    primary key (email, group_id),
    check (action ~ '[ar]')
);

create or replace function bugzilla_sync() returns trigger AS $bz_sync$
DECLARE
  newaction char(1);
  ROW person_roles%ROWTYPE;
BEGIN
  if TG_OP = 'DELETE' then
    newaction:='r';
    ROW := OLD;
  else
    -- INSERT or UPDATE
    ROW := NEW;
    if NEW.role_status = 'approved' then
      newaction := 'a';
    else
      newaction := 'r';
    end if;
  end if;
  if ROW.group_id = id from groups where name = 'fedorabugs' then
    if b.email is not Null from bugzilla_queue as b, people as p where p.id = ROW.person_id and b.email = p.email then
      update bugzilla_queue set action = newaction where email in (select email from people where id = ROW.person_id);
    else
      insert into bugzilla_queue select p.email, ROW.group_id, ROW.person_id, newaction from people as p where p.id = ROW.person_id;
    end if;
  end if;
  return ROW;
END;
$bz_sync$ language plpgsql;

create trigger role_bugzilla_sync before update or insert or delete
  on person_roles
  for each row execute procedure bugzilla_sync();

create or replace function bugzilla_sync_email() returns trigger AS $bz_sync_e$
BEGIN
  if OLD.email = NEW.email then
    -- We only care if the email has been changed
    return NEW;
  end if;

  if p.id is not Null from people as p, person_roles as r, groups as g where p.id = OLD.id and g.name = 'fedorabugs' and r.role_status = 'approved' and r.group_id = g.id and r.person_id = p.id then
    -- Person belongs to the bugzilla changing group
    -- Remove old email
    if b.email is not Null from bugzilla_queue as b where b.email = OLD.email then
      update bugzilla_queue set action = 'r' where email = OLD.email;
    else
      insert into bugzilla_queue (select OLD.email, cast(g.id as int), OLD.id, 'r' from groups as g where g.name = 'fedorabugs' limit 1);
    end if;
    -- Add new email
    if b.email is not Null from bugzilla_queue as b where b.email = NEW.email then
      update bugzilla_queue set action = 'a' where email = NEW.email;
    else
      insert into bugzilla_queue (select NEW.email, cast(g.id as int), NEW.id, 'a' from groups as g where g.name = 'fedorabugs' limit 1);
    end if;
  end if;
  return NEW;
END;
$bz_sync_e$ language plpgsql;

create trigger email_bugzilla_sync before update
 on people
 for each row execute procedure bugzilla_sync_email();

GRANT ALL ON TABLE people, groups, person_roles, person_emails, group_roles, group_emails, bugzilla_queue, configs, cert_seq, person_seq, group_seq TO GROUP fedora;