CREATE TABLE "User" (
	id SERIAL PRIMARY KEY,
	username VARCHAR(255) NOT NULL UNIQUE,
	password VARCHAR(255),
	admin BOOLEAN NOT NULL DEFAULT FALSE,
	nick VARCHAR(255),
	realname VARCHAR(255),
	created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
	enabled BOOLEAN NOT NULL DEFAULT TRUE,
	downstream_interacted_at TIMESTAMP WITH TIME ZONE
);

CREATE TYPE sasl_mechanism AS ENUM ('PLAIN', 'EXTERNAL');

CREATE TABLE "Network" (
	id SERIAL PRIMARY KEY,
	name VARCHAR(255),
	"user" INTEGER NOT NULL REFERENCES "User"(id) ON DELETE CASCADE,
	addr VARCHAR(255) NOT NULL,
	nick VARCHAR(255),
	username VARCHAR(255),
	realname VARCHAR(255),
	certfp TEXT,
	pass VARCHAR(255),
	connect_commands VARCHAR(1023),
	sasl_mechanism sasl_mechanism,
	sasl_plain_username VARCHAR(255),
	sasl_plain_password VARCHAR(255),
	sasl_external_cert BYTEA,
	sasl_external_key BYTEA,
	auto_away BOOLEAN NOT NULL DEFAULT TRUE,
	enabled BOOLEAN NOT NULL DEFAULT TRUE,
	UNIQUE("user", addr, nick),
	UNIQUE("user", name)
);

CREATE TABLE "Channel" (
	id SERIAL PRIMARY KEY,
	network INTEGER NOT NULL REFERENCES "Network"(id) ON DELETE CASCADE,
	name VARCHAR(255) NOT NULL,
	key VARCHAR(255),
	detached BOOLEAN NOT NULL DEFAULT FALSE,
	detached_internal_msgid VARCHAR(255),
	relay_detached INTEGER NOT NULL DEFAULT 0,
	reattach_on INTEGER NOT NULL DEFAULT 0,
	detach_after INTEGER NOT NULL DEFAULT 0,
	detach_on INTEGER NOT NULL DEFAULT 0,
	UNIQUE(network, name)
);

CREATE TABLE "DeliveryReceipt" (
	id SERIAL PRIMARY KEY,
	network INTEGER NOT NULL REFERENCES "Network"(id) ON DELETE CASCADE,
	target VARCHAR(255) NOT NULL,
	client VARCHAR(255) NOT NULL DEFAULT '',
	internal_msgid VARCHAR(255) NOT NULL,
	UNIQUE(network, target, client)
);

CREATE TABLE "ReadReceipt" (
	id SERIAL PRIMARY KEY,
	network INTEGER NOT NULL REFERENCES "Network"(id) ON DELETE CASCADE,
	target VARCHAR(255) NOT NULL,
	timestamp TIMESTAMP WITH TIME ZONE NOT NULL,
	UNIQUE(network, target)
);

CREATE TABLE "WebPushConfig" (
	id SERIAL PRIMARY KEY,
	created_at TIMESTAMP WITH TIME ZONE NOT NULL,
	vapid_key_public TEXT NOT NULL,
	vapid_key_private TEXT NOT NULL,
	UNIQUE(vapid_key_public)
);

CREATE TABLE "WebPushSubscription" (
	id SERIAL PRIMARY KEY,
	created_at TIMESTAMP WITH TIME ZONE NOT NULL,
	updated_at TIMESTAMP WITH TIME ZONE NOT NULL,
	"user" INTEGER NOT NULL REFERENCES "User"(id) ON DELETE CASCADE,
	network INTEGER REFERENCES "Network"(id) ON DELETE CASCADE,
	endpoint TEXT NOT NULL,
	key_vapid TEXT,
	key_auth TEXT,
	key_p256dh TEXT,
	UNIQUE(network, endpoint)
);

CREATE TABLE "MessageTarget" (
	id SERIAL PRIMARY KEY,
	network INTEGER NOT NULL REFERENCES "Network"(id) ON DELETE CASCADE,
	target TEXT NOT NULL,
	UNIQUE(network, target)
);

CREATE TEXT SEARCH DICTIONARY search_simple_dictionary (
    TEMPLATE = pg_catalog.simple
);
CREATE TEXT SEARCH CONFIGURATION @SCHEMA_PREFIX@search_simple ( COPY = pg_catalog.simple );
ALTER TEXT SEARCH CONFIGURATION @SCHEMA_PREFIX@search_simple ALTER MAPPING FOR asciiword, asciihword, hword_asciipart, hword, hword_part, word WITH @SCHEMA_PREFIX@search_simple_dictionary;
CREATE TABLE "Message" (
	id SERIAL PRIMARY KEY,
	target INTEGER NOT NULL REFERENCES "MessageTarget"(id) ON DELETE CASCADE,
	raw TEXT NOT NULL,
	time TIMESTAMP WITH TIME ZONE NOT NULL,
	sender TEXT NOT NULL,
	text TEXT,
	text_search tsvector GENERATED ALWAYS AS (to_tsvector('@SCHEMA_PREFIX@search_simple', text)) STORED
);
CREATE INDEX "MessageIndex" ON "Message" (target, time);
CREATE INDEX "MessageSearchIndex" ON "Message" USING GIN (text_search);