-- Create user_introductions table
CREATE TABLE user_introductions (
    user_id UUID PRIMARY KEY REFERENCES auth.users(id) ON DELETE CASCADE,
    intro_email TEXT NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Enable RLS
ALTER TABLE user_introductions ENABLE ROW LEVEL SECURITY;

-- Policy: Users can view their own introduction
CREATE POLICY "Users can view their own introduction"
    ON user_introductions
    FOR SELECT
    USING (auth.uid() = user_id);

-- Policy: Users can insert their own introduction
CREATE POLICY "Users can insert their own introduction"
    ON user_introductions
    FOR INSERT
    WITH CHECK (auth.uid() = user_id);

-- Policy: Users can update their own introduction
CREATE POLICY "Users can update their own introduction"
    ON user_introductions
    FOR UPDATE
    USING (auth.uid() = user_id);

-- Policy: Users can delete their own introduction
CREATE POLICY "Users can delete their own introduction"
    ON user_introductions
    FOR DELETE
    USING (auth.uid() = user_id);

-- Add comment to describe the table
COMMENT ON TABLE user_introductions IS 'Stores user introduction email templates';
COMMENT ON COLUMN user_introductions.user_id IS 'Reference to the user';
COMMENT ON COLUMN user_introductions.intro_email IS 'User introduction email text';