-- وظيفة الملف: استعلام أو تغيير قاعدة بيانات يخص 05 poi gates clustering؛ راجع ترتيب التنفيذ قبل تطبيقه.
-- 1. Create the place_gates table
CREATE TABLE IF NOT EXISTS place_gates (
    id SERIAL PRIMARY KEY,
    place_id VARCHAR(255) NOT NULL, -- references unified_search_index.id
    gate_name_ar VARCHAR(255) NOT NULL,
    gate_name_en VARCHAR(255),
    latitude NUMERIC(10, 7) NOT NULL,
    longitude NUMERIC(10, 7) NOT NULL,
    is_main_gate BOOLEAN DEFAULT false,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX idx_place_gates_place_id ON place_gates(place_id);

-- No gate seed rows belong here: service doors must come from an explicit,
-- source-backed entrance node. See scripts/sync_osm_place_gates.py.

-- Prepare schema for future K-Means Clustering (Sero Trip Drop-offs)
CREATE TABLE IF NOT EXISTS sero_dropoffs (
    id SERIAL PRIMARY KEY,
    place_id VARCHAR(255) NOT NULL,
    latitude NUMERIC(10, 7) NOT NULL,
    longitude NUMERIC(10, 7) NOT NULL,
    timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX idx_sero_dropoffs_place_id ON sero_dropoffs(place_id);