-- Captain Preferences table
-- Per-account AI configuration: tone, language, response guidelines, feature toggles
-- Reference: Chatwoot enterprise/app/models/captain/preference.rb

CREATE TABLE IF NOT EXISTS captain_preferences (
    id SERIAL PRIMARY KEY,
    account_id INTEGER NOT NULL UNIQUE,
    tone VARCHAR(50) DEFAULT 'professional',
    language VARCHAR(10) DEFAULT 'en',
    response_guidelines TEXT DEFAULT '',
    auto_label_enabled BOOLEAN DEFAULT FALSE,
    auto_follow_up_enabled BOOLEAN DEFAULT FALSE,
    auto_reply_enabled BOOLEAN DEFAULT FALSE,
    max_response_length INTEGER DEFAULT 500,
    custom_prompt_suffix TEXT DEFAULT '',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    deleted_at TIMESTAMP WITH TIME ZONE
);

CREATE INDEX idx_captain_preferences_deleted_at ON captain_preferences(deleted_at);
CREATE INDEX idx_captain_preferences_account_id ON captain_preferences(account_id) WHERE deleted_at IS NULL;