CREATE TABLE IF NOT EXISTS servers (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    alias TEXT NOT NULL UNIQUE,
    display_name TEXT NOT NULL DEFAULT '',
    host TEXT NOT NULL,
    port INTEGER NOT NULL DEFAULT 22,
    user TEXT NOT NULL DEFAULT '',
    auth_method TEXT NOT NULL DEFAULT 'key',
    identity_file TEXT NOT NULL DEFAULT '',
    proxy_jump TEXT NOT NULL DEFAULT '',
    group_name TEXT NOT NULL DEFAULT '',
    notes TEXT NOT NULL DEFAULT '',
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    last_connected_at DATETIME,
    last_test_at DATETIME,
    last_test_status TEXT NOT NULL DEFAULT 'unknown',
    last_test_error TEXT NOT NULL DEFAULT ''
);

CREATE TABLE IF NOT EXISTS tags (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL UNIQUE
);

CREATE TABLE IF NOT EXISTS server_tags (
    server_id INTEGER NOT NULL REFERENCES servers(id) ON DELETE CASCADE,
    tag_id INTEGER NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
    PRIMARY KEY (server_id, tag_id)
);

CREATE TABLE IF NOT EXISTS forwards (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    server_id INTEGER NOT NULL REFERENCES servers(id) ON DELETE CASCADE,
    type TEXT NOT NULL DEFAULT 'local',
    local_addr TEXT NOT NULL DEFAULT '',
    local_port INTEGER NOT NULL DEFAULT 0,
    remote_addr TEXT NOT NULL DEFAULT '',
    remote_port INTEGER NOT NULL DEFAULT 0
);

CREATE TABLE IF NOT EXISTS command_templates (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    server_id INTEGER NOT NULL REFERENCES servers(id) ON DELETE CASCADE,
    name TEXT NOT NULL,
    command TEXT NOT NULL
);