-- v0 -> v3: Latest revision

CREATE TABLE guild (
    dcid       TEXT PRIMARY KEY,
    mxid       TEXT UNIQUE,
    name       TEXT NOT NULL,
    name_set   BOOLEAN NOT NULL,
    avatar     TEXT NOT NULL,
    avatar_url TEXT NOT NULL,
    avatar_set BOOLEAN NOT NULL,

    auto_bridge_channels BOOLEAN NOT NULL
);

CREATE TABLE portal (
    dcid          TEXT,
    receiver      TEXT,
    other_user_id TEXT,
    type          INTEGER NOT NULL,

    dc_guild_id  TEXT,
    dc_parent_id TEXT,
    -- This is not accessed by the bridge, it's only used for the portal parent foreign key.
    -- Only guild channels have parents, but only DMs have a receiver field.
    dc_parent_receiver TEXT NOT NULL DEFAULT '',

    mxid       TEXT UNIQUE,
    name       TEXT NOT NULL,
    name_set   BOOLEAN NOT NULL,
    topic      TEXT NOT NULL,
    topic_set  BOOLEAN NOT NULL,
    avatar     TEXT NOT NULL,
    avatar_url TEXT NOT NULL,
    avatar_set BOOLEAN NOT NULL,
    encrypted  BOOLEAN NOT NULL,
    in_space   TEXT NOT NULL,

    first_event_id TEXT NOT NULL,

    PRIMARY KEY (dcid, receiver),
    CONSTRAINT portal_parent_fkey FOREIGN KEY (dc_parent_id, dc_parent_receiver) REFERENCES portal (dcid, receiver) ON DELETE CASCADE,
    CONSTRAINT portal_guild_fkey  FOREIGN KEY (dc_guild_id) REFERENCES guild(dcid) ON DELETE CASCADE
);

CREATE TABLE thread (
    dcid           TEXT PRIMARY KEY,
    parent_chan_id TEXT NOT NULL,
    root_msg_dcid  TEXT NOT NULL,
    root_msg_mxid  TEXT NOT NULL,
    -- This is also not accessed by the bridge.
    receiver   TEXT NOT NULL DEFAULT '',

    CONSTRAINT thread_parent_fkey FOREIGN KEY (parent_chan_id, receiver) REFERENCES portal(dcid, receiver) ON DELETE CASCADE ON UPDATE CASCADE
);

CREATE TABLE puppet (
    id TEXT PRIMARY KEY,

    name       TEXT NOT NULL,
    name_set   BOOLEAN NOT NULL,
    avatar     TEXT NOT NULL,
    avatar_url TEXT NOT NULL,
    avatar_set BOOLEAN NOT NULL,

    custom_mxid  TEXT,
    access_token TEXT,
    next_batch   TEXT
);

CREATE TABLE "user" (
    mxid TEXT PRIMARY KEY,
    dcid TEXT UNIQUE,

    discord_token   TEXT,
    management_room TEXT,
    space_room      TEXT,
    dm_space_room   TEXT
);

CREATE TABLE user_portal (
    discord_id TEXT,
    user_mxid  TEXT,
    type       TEXT NOT NULL,
    in_space   BOOLEAN NOT NULL,
    timestamp  BIGINT NOT NULL,

    PRIMARY KEY (discord_id, user_mxid),
    CONSTRAINT up_user_fkey FOREIGN KEY (user_mxid) REFERENCES "user" (mxid) ON DELETE CASCADE
);

CREATE TABLE message (
    dcid             TEXT,
    dc_chan_id       TEXT,
    dc_chan_receiver TEXT,
    dc_sender        TEXT NOT NULL,
    timestamp        BIGINT NOT NULL,
    dc_thread_id     TEXT,

    mxid TEXT NOT NULL UNIQUE,

    PRIMARY KEY (dcid, dc_chan_id, dc_chan_receiver),
    CONSTRAINT message_portal_fkey FOREIGN KEY (dc_chan_id, dc_chan_receiver) REFERENCES portal (dcid, receiver) ON DELETE CASCADE
);

CREATE TABLE reaction (
    dc_chan_id       TEXT,
    dc_chan_receiver TEXT,
    dc_msg_id        TEXT,
    dc_sender        TEXT,
    dc_emoji_name    TEXT,
    dc_thread_id     TEXT,

    mxid TEXT NOT NULL UNIQUE,

    PRIMARY KEY (dc_chan_id, dc_chan_receiver, dc_msg_id, dc_sender, dc_emoji_name),
    CONSTRAINT reaction_message_fkey FOREIGN KEY (dc_msg_id, dc_chan_id, dc_chan_receiver) REFERENCES message (dcid, dc_chan_id, dc_chan_receiver) ON DELETE CASCADE
);

CREATE TABLE attachment (
    dcid             TEXT,
    dc_msg_id        TEXT,
    dc_chan_id       TEXT,
    dc_chan_receiver TEXT,
    dc_thread_id     TEXT,

    mxid TEXT NOT NULL UNIQUE,

    PRIMARY KEY (dcid, dc_msg_id, dc_chan_id, dc_chan_receiver),
    CONSTRAINT attachment_message_fkey FOREIGN KEY (dc_msg_id, dc_chan_id, dc_chan_receiver) REFERENCES message (dcid, dc_chan_id, dc_chan_receiver) ON DELETE CASCADE
);

CREATE TABLE emoji (
    discord_id   TEXT PRIMARY KEY,
    discord_name TEXT,
    matrix_url   TEXT
);