-- Create businesses table
CREATE TABLE IF NOT EXISTS public.businesses (
    id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
    name TEXT NOT NULL,
    address TEXT NOT NULL,
    phone TEXT NOT NULL,
    description TEXT NOT NULL,
    website TEXT,
    source TEXT NOT NULL,
    rating REAL,
    location POINT,
    created_at TIMESTAMPTZ DEFAULT NOW(),
    updated_at TIMESTAMPTZ DEFAULT NOW()
);

-- Create indexes
CREATE INDEX IF NOT EXISTS idx_businesses_source ON public.businesses(source);
CREATE INDEX IF NOT EXISTS idx_businesses_rating ON public.businesses(rating);
CREATE INDEX IF NOT EXISTS idx_businesses_location ON public.businesses USING GIST(location);

-- Enable Row Level Security (RLS)
ALTER TABLE public.businesses ENABLE ROW LEVEL SECURITY;

-- Create policies
CREATE POLICY "Allow public read access" 
    ON public.businesses 
    FOR SELECT 
    USING (true);

CREATE POLICY "Allow service role insert/update" 
    ON public.businesses 
    FOR ALL 
    USING (auth.role() = 'service_role');

-- Create function to update updated_at timestamp
CREATE OR REPLACE FUNCTION update_updated_at_column()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = NOW();
    RETURN NEW;
END;
$$ language 'plpgsql';

-- Create trigger for updated_at
CREATE TRIGGER update_businesses_updated_at
    BEFORE UPDATE ON public.businesses
    FOR EACH ROW
    EXECUTE FUNCTION update_updated_at_column();

-- Create the searches table
CREATE TABLE searches (
    id BIGSERIAL PRIMARY KEY,
    query TEXT NOT NULL,
    results JSONB NOT NULL DEFAULT '[]',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

-- Create an index on the query column for faster lookups
CREATE INDEX searches_query_idx ON searches USING GIN (to_tsvector('english', query));

-- Create a function to update the updated_at timestamp
CREATE OR REPLACE FUNCTION update_updated_at_column()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = CURRENT_TIMESTAMP;
    RETURN NEW;
END;
$$ language 'plpgsql';

-- Create a trigger to automatically update the updated_at column
CREATE TRIGGER update_searches_updated_at
    BEFORE UPDATE ON searches
    FOR EACH ROW
    EXECUTE FUNCTION update_updated_at_column();