-- PostgreSQL schema for Velox
-- Use BIGINT for Discord snowflakes, INT for smaller counters, BOOLEAN properly.

CREATE TABLE IF NOT EXISTS levels (
    guild BIGINT NOT NULL,
    user_id BIGINT NOT NULL,
    level INT NOT NULL DEFAULT 0,
    xp BIGINT NOT NULL DEFAULT 0,
    PRIMARY KEY (guild, user_id)
);

CREATE TABLE IF NOT EXISTS twitch (
    twitch_user TEXT NOT NULL,
    guild_id BIGINT NOT NULL,
    status TEXT NOT NULL DEFAULT 'not live',
    PRIMARY KEY (twitch_user, guild_id)
);

CREATE TABLE IF NOT EXISTS levelsettings (
    guild_id BIGINT PRIMARY KEY,
    levelsys BOOLEAN NOT NULL DEFAULT FALSE,
    message TEXT
);

-- Role rewards per level (supports multiple rewards per guild)
CREATE TABLE IF NOT EXISTS levelrewards (
    guild_id BIGINT NOT NULL,
    levelreq INT NOT NULL,
    role BIGINT NOT NULL,
    PRIMARY KEY (guild_id, levelreq)
);

CREATE TABLE IF NOT EXISTS welcome (
    guild_id BIGINT PRIMARY KEY,
    welcome_channel_id BIGINT,
    welcome_message TEXT,
    welcome_dm TEXT,
    welcome_gif_url TEXT
);

CREATE TABLE IF NOT EXISTS levelup (
    guild_id BIGINT PRIMARY KEY,
    levelup_channel_id BIGINT
);

CREATE TABLE IF NOT EXISTS twitch_config (
    guild_id BIGINT PRIMARY KEY,
    twitch_channel_id BIGINT,
    enabled BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE TABLE IF NOT EXISTS rps (
    guild_id BIGINT NOT NULL,
    user_id BIGINT NOT NULL,
    score INT NOT NULL DEFAULT 0,
    PRIMARY KEY (guild_id, user_id)
);

CREATE TABLE IF NOT EXISTS defaultrole (
    guild_id BIGINT PRIMARY KEY,
    role_id BIGINT
);

CREATE TABLE IF NOT EXISTS logsettings (
    guild_id BIGINT PRIMARY KEY,
    log_channel_id BIGINT,
    is_enabled BOOLEAN NOT NULL DEFAULT FALSE
);

-- Meeting rooms (voice lobby -> auto-created temporary voice channels)
CREATE TABLE IF NOT EXISTS meeting_settings (
    guild_id BIGINT PRIMARY KEY,
    lobby_channel_id BIGINT
);

-- Who counts as a beta tester: holders of role_id in guild_id. One row, set by
-- the owner on the dashboard's admin page (the API creates and writes it, see
-- its migration 000021); the bot only reads it.
CREATE TABLE IF NOT EXISTS beta_settings (
    id BOOLEAN PRIMARY KEY DEFAULT TRUE CHECK (id),
    guild_id BIGINT,
    role_id BIGINT,
    updated_by BIGINT,
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Servers whose owner opted in to beta features (API migration 000022). The
-- beta server itself is always eligible and isn't listed. The bot only reads it.
CREATE TABLE IF NOT EXISTS beta_guilds (
    guild_id BIGINT PRIMARY KEY,
    enabled_by BIGINT NOT NULL,
    enabled_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Servers where the bot registered beta commands, so it can remove them even
-- if the server opted out while the bot was offline. Bot-owned (the API's
-- migration 000022 creates it for a combined database).
CREATE TABLE IF NOT EXISTS beta_registered (
    guild_id BIGINT PRIMARY KEY
);

-- A server can have several lobbies (at most 10; the trigger enforces it, and
-- is the same as the API's migration 000020). meeting_settings.lobby_channel_id
-- is the old single-lobby column, no longer read.
CREATE TABLE IF NOT EXISTS meeting_lobbies (
    guild_id BIGINT NOT NULL,
    channel_id BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, channel_id)
);

CREATE OR REPLACE FUNCTION meeting_lobbies_limit() RETURNS trigger AS $$
BEGIN
    PERFORM pg_advisory_xact_lock(NEW.guild_id);
    IF EXISTS (SELECT 1 FROM meeting_lobbies WHERE guild_id = NEW.guild_id AND channel_id = NEW.channel_id) THEN
        RETURN NEW;
    END IF;
    IF (SELECT COUNT(*) FROM meeting_lobbies WHERE guild_id = NEW.guild_id) >= 10 THEN
        RAISE EXCEPTION 'a server can have at most 10 lobby channels' USING ERRCODE = '54000';
    END IF;
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

DROP TRIGGER IF EXISTS meeting_lobbies_limit ON meeting_lobbies;
CREATE TRIGGER meeting_lobbies_limit BEFORE INSERT ON meeting_lobbies
    FOR EACH ROW EXECUTE FUNCTION meeting_lobbies_limit();

CREATE TABLE IF NOT EXISTS meeting_temp_channels (
    guild_id BIGINT NOT NULL,
    channel_id BIGINT NOT NULL,
    created_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, channel_id)
);

-- Projects & members
CREATE TABLE IF NOT EXISTS projects (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    name TEXT NOT NULL,
    description TEXT,
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    created_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS project_members (
    project_id BIGINT NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
    user_id BIGINT NOT NULL,
    is_creator BOOLEAN NOT NULL DEFAULT FALSE,
    PRIMARY KEY (project_id, user_id)
);

--
-- Scheduling (one-to-one sessions)
--
CREATE TABLE IF NOT EXISTS schedules (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    requester_id BIGINT NOT NULL,
    invitee_id BIGINT NOT NULL,
    scheduled_at TIMESTAMPTZ NOT NULL,
    status TEXT NOT NULL DEFAULT 'pending', -- pending, accepted, declined, reschedule_requested
    description TEXT,
    reminder_sent BOOLEAN NOT NULL DEFAULT FALSE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    -- Reschedule negotiation: a proposed new time awaiting the counterpart's
    -- response, kept separate from scheduled_at until accepted.
    proposed_at TIMESTAMPTZ,
    proposed_by BIGINT,
    -- Snapshot of status before entering reschedule_requested, so a decline
    -- knows whether to revert to 'pending' or 'accepted'.
    pre_reschedule_status TEXT
);

CREATE TABLE IF NOT EXISTS schedule_messages (
    schedule_id BIGINT NOT NULL REFERENCES schedules(id) ON DELETE CASCADE,
    message_id BIGINT NOT NULL,
    channel_id BIGINT NOT NULL,
    is_dm BOOLEAN NOT NULL DEFAULT TRUE,
    PRIMARY KEY (schedule_id, message_id)
);

CREATE TABLE IF NOT EXISTS user_settings (
    user_id BIGINT PRIMARY KEY,
    timezone TEXT NOT NULL
);

--
-- Music (dashboard queue view/control - see velox-dashboard-api's
-- 000010_music migration, this file mirrors it)
--
CREATE TABLE IF NOT EXISTS music_settings (
    guild_id BIGINT PRIMARY KEY,
    is_enabled BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE TABLE IF NOT EXISTS music_now_playing (
    guild_id BIGINT PRIMARY KEY,
    track_title TEXT NOT NULL,
    track_url TEXT NOT NULL,
    duration_seconds INT NOT NULL,
    started_at TIMESTAMPTZ NOT NULL,
    paused BOOLEAN NOT NULL DEFAULT FALSE,
    volume INT NOT NULL DEFAULT 100,
    repeat_song BOOLEAN NOT NULL DEFAULT FALSE,
    repeat_queue BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE TABLE IF NOT EXISTS music_queue (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    position INT NOT NULL,
    track_title TEXT NOT NULL,
    track_url TEXT NOT NULL,
    requested_by BIGINT NOT NULL,
    added_at TIMESTAMPTZ DEFAULT NOW(),
    client_id UUID NOT NULL DEFAULT gen_random_uuid(),
    UNIQUE (guild_id, client_id)
);

CREATE TABLE IF NOT EXISTS music_commands (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    command_type TEXT NOT NULL CHECK (command_type IN ('skip', 'pause', 'resume', 'set_volume', 'remove_track', 'reorder', 'repeat_song', 'repeat_queue', 'add_song', 'stop')),
    payload JSONB,
    requested_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ DEFAULT NOW(),
    processed_at TIMESTAMPTZ
);

-- Tickets (mirror of velox-dashboard-api migration 000016_tickets)
CREATE TABLE IF NOT EXISTS ticket_settings (
    guild_id BIGINT PRIMARY KEY,
    enabled BOOLEAN NOT NULL DEFAULT FALSE,
    channel_id BIGINT,
    log_channel_id BIGINT,
    panel_message_id BIGINT,
    panel_title TEXT NOT NULL DEFAULT 'Need help?',
    panel_description TEXT NOT NULL DEFAULT 'Pick a category below to open a private ticket with the staff team.',
    max_open_per_user INT NOT NULL DEFAULT 1 CHECK (max_open_per_user BETWEEN 1 AND 10),
    next_number INT NOT NULL DEFAULT 1
);

CREATE TABLE IF NOT EXISTS ticket_categories (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    name TEXT NOT NULL CHECK (char_length(name) BETWEEN 1 AND 40),
    emoji TEXT,
    description TEXT NOT NULL DEFAULT '',
    staff_role_id BIGINT,
    position INT NOT NULL DEFAULT 0,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS tickets (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    number INT NOT NULL,
    category_id BIGINT REFERENCES ticket_categories (id) ON DELETE SET NULL,
    category_name TEXT NOT NULL,
    thread_id BIGINT NOT NULL UNIQUE,
    intro_message_id BIGINT,
    opener_id BIGINT NOT NULL,
    subject TEXT NOT NULL,
    status TEXT NOT NULL DEFAULT 'open' CHECK (status IN ('open', 'closed')),
    claimed_by BIGINT,
    closed_by BIGINT,
    close_reason TEXT,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    closed_at TIMESTAMPTZ,
    UNIQUE (guild_id, number)
);

CREATE TABLE IF NOT EXISTS ticket_commands (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    command_type TEXT NOT NULL CHECK (command_type IN ('post_panel')),
    requested_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    processed_at TIMESTAMPTZ
);

-- Security: anti-raid and anti-nuke (mirror of velox-dashboard-api migration 000017_security)
CREATE TABLE IF NOT EXISTS security_settings (
    guild_id BIGINT PRIMARY KEY,
    -- Where alerts go, and who gets pinged for raids and nukes.
    alert_channel_id BIGINT,
    alert_role_id BIGINT,

    -- Join Gate: checks run on every join, each with its own action.
    joingate_enabled BOOLEAN NOT NULL DEFAULT FALSE,
    joingate_no_avatar TEXT NOT NULL DEFAULT 'off' CHECK (joingate_no_avatar IN ('off', 'timeout', 'kick', 'ban')),
    joingate_new_account TEXT NOT NULL DEFAULT 'off' CHECK (joingate_new_account IN ('off', 'timeout', 'kick', 'ban')),
    joingate_min_account_age_days INT NOT NULL DEFAULT 7 CHECK (joingate_min_account_age_days BETWEEN 1 AND 365),
    joingate_advertising_name TEXT NOT NULL DEFAULT 'off' CHECK (joingate_advertising_name IN ('off', 'timeout', 'kick', 'ban')),
    joingate_username_filter TEXT NOT NULL DEFAULT 'off' CHECK (joingate_username_filter IN ('off', 'timeout', 'kick', 'ban')),
    joingate_username_patterns TEXT[] NOT NULL DEFAULT '{}',
    joingate_unverified_bot TEXT NOT NULL DEFAULT 'off' CHECK (joingate_unverified_bot IN ('off', 'kick', 'ban')),
    -- A bot added by someone who isn't the owner or trusted.
    joingate_unauthorized_bot TEXT NOT NULL DEFAULT 'kick' CHECK (joingate_unauthorized_bot IN ('off', 'kick', 'ban')),

    -- Raid mode: raid_join_count joins within raid_join_seconds starts it; it
    -- ends after raid_quiet_minutes without a join, or when staff end it.
    antiraid_enabled BOOLEAN NOT NULL DEFAULT FALSE,
    raid_join_count INT NOT NULL DEFAULT 10 CHECK (raid_join_count BETWEEN 3 AND 100),
    raid_join_seconds INT NOT NULL DEFAULT 10 CHECK (raid_join_seconds BETWEEN 5 AND 300),
    raid_action TEXT NOT NULL DEFAULT 'kick' CHECK (raid_action IN ('alert', 'timeout', 'kick', 'ban')),
    raid_pause_invites BOOLEAN NOT NULL DEFAULT TRUE,
    raid_quiet_minutes INT NOT NULL DEFAULT 10 CHECK (raid_quiet_minutes BETWEEN 1 AND 120),

    -- Anti-nuke: anyone who isn't the owner or trusted and goes over a limit
    -- within antinuke_window_seconds is quarantined. Limits are per action
    -- (channel_delete, channel_create, role_delete, role_create, ban, kick,
    -- webhook_create); a limit of 0 means the action is never allowed.
    antinuke_enabled BOOLEAN NOT NULL DEFAULT FALSE,
    antinuke_window_seconds INT NOT NULL DEFAULT 10 CHECK (antinuke_window_seconds BETWEEN 5 AND 300),
    antinuke_limits JSONB NOT NULL DEFAULT '{"channel_delete": 2, "channel_create": 5, "role_delete": 2, "role_create": 5, "ban": 3, "kick": 5, "webhook_create": 3}',
    -- Also lock every channel when a nuke is stopped.
    antinuke_lock_server BOOLEAN NOT NULL DEFAULT FALSE,
    quarantine_role_id BIGINT,

    -- Restore: snapshots of roles and channels are taken every few hours; a
    -- restore recreates what's missing. Automatic after a stopped nuke when
    -- antinuke_auto_restore is on, otherwise by the owner or trusted.
    antinuke_auto_restore BOOLEAN NOT NULL DEFAULT FALSE,

    -- Heat: every message adds heat to its author (more for repeats,
    -- mentions, emoji walls, links, blocked words; an invite link maxes it),
    -- and heat cools down over time. Reaching the maximum deletes the message
    -- and applies heat_action. heat_strictness scales how fast heat builds.
    heat_enabled BOOLEAN NOT NULL DEFAULT FALSE,
    heat_strictness TEXT NOT NULL DEFAULT 'medium' CHECK (heat_strictness IN ('low', 'medium', 'high')),
    heat_action TEXT NOT NULL DEFAULT 'timeout' CHECK (heat_action IN ('timeout', 'kick', 'ban')),
    heat_timeout_minutes INT NOT NULL DEFAULT 10 CHECK (heat_timeout_minutes BETWEEN 1 AND 10080),
    -- Each new offence within a day doubles the timeout (capped at 28 days).
    heat_escalate BOOLEAN NOT NULL DEFAULT TRUE,
    heat_blocked_words TEXT[] NOT NULL DEFAULT '{}',
    -- Heat panic: this many members maxing out within a minute times out
    -- anyone who joined in the last day as soon as they speak, for 10
    -- minutes. 0 turns it off.
    heat_panic_members INT NOT NULL DEFAULT 3 CHECK (heat_panic_members BETWEEN 0 AND 50),
    -- Mention flood: this many mentions by non-exempt members within 30
    -- seconds locks every channel. 0 turns it off.
    heat_lockdown_mentions INT NOT NULL DEFAULT 0 CHECK (heat_lockdown_mentions BETWEEN 0 AND 1000),

    -- Join lockdown (/lockdown joins): every new member is kicked or banned.
    join_lock TEXT NOT NULL DEFAULT 'off' CHECK (join_lock IN ('off', 'kick', 'ban'))
);

-- Users and roles exempt from anti-nuke, who may also manage its settings.
-- The server owner is always trusted and never listed here.
CREATE TABLE IF NOT EXISTS security_trusted (
    guild_id BIGINT NOT NULL,
    target_id BIGINT NOT NULL,
    kind TEXT NOT NULL CHECK (kind IN ('user', 'role')),
    added_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, target_id)
);

-- Members currently quarantined, with the roles they had, so releasing them
-- gives every role back.
CREATE TABLE IF NOT EXISTS security_quarantines (
    guild_id BIGINT NOT NULL,
    user_id BIGINT NOT NULL,
    previous_role_ids BIGINT[] NOT NULL DEFAULT '{}',
    reason TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, user_id)
);

-- Channels the bot locked, with @everyone's permission overwrite from before,
-- so unlocking puts back exactly what was there.
CREATE TABLE IF NOT EXISTS security_lockdowns (
    guild_id BIGINT NOT NULL,
    channel_id BIGINT NOT NULL,
    had_overwrite BOOLEAN NOT NULL,
    previous_allow BIGINT NOT NULL DEFAULT 0,
    previous_deny BIGINT NOT NULL DEFAULT 0,
    server_wide BOOLEAN NOT NULL DEFAULT FALSE,
    locked_by BIGINT NOT NULL,
    locked_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, channel_id)
);

-- A raid in progress, so raid mode survives a bot restart: the quiet timer
-- carries on and the summary still lists everyone caught.
CREATE TABLE IF NOT EXISTS security_raids (
    guild_id BIGINT PRIMARY KEY,
    started_at TIMESTAMPTZ NOT NULL,
    last_join_at TIMESTAMPTZ NOT NULL,
    invites_paused BOOLEAN NOT NULL DEFAULT FALSE,
    caught_total INT NOT NULL DEFAULT 0
);

CREATE TABLE IF NOT EXISTS security_raid_caught (
    guild_id BIGINT NOT NULL,
    user_id BIGINT NOT NULL,
    action TEXT NOT NULL,
    name TEXT NOT NULL,
    caught_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    PRIMARY KEY (guild_id, user_id)
);

-- Snapshots of a guild's roles and channels for restoring after a nuke. The
-- bot keeps the last three per guild.
CREATE TABLE IF NOT EXISTS security_snapshots (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    data JSONB NOT NULL,
    roles INT NOT NULL,
    channels INT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS security_snapshots_guild_idx ON security_snapshots (guild_id, created_at DESC);

-- What the system did, for the dashboard's history.
CREATE TABLE IF NOT EXISTS security_events (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    kind TEXT NOT NULL,
    actor_id BIGINT,
    target_id BIGINT,
    detail TEXT NOT NULL DEFAULT '',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS security_events_guild_idx ON security_events (guild_id, created_at DESC);

-- Dashboard -> bot requests, same pattern as music_commands.
CREATE TABLE IF NOT EXISTS security_commands (
    id BIGSERIAL PRIMARY KEY,
    guild_id BIGINT NOT NULL,
    command_type TEXT NOT NULL CHECK (command_type IN ('end_raid', 'release_quarantine', 'unlock_server', 'unlock_joins', 'snapshot', 'restore')),
    payload JSONB,
    requested_by BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    processed_at TIMESTAMPTZ
);