-- ============================================================
-- WebGIS Database Schema
-- Supports: Points (SPBU, Mosque, Poor Population),
--           Lines (Roads), Polygons (Land Parcels)
-- ============================================================

CREATE DATABASE IF NOT EXISTS webgis_db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
USE webgis_db;

-- ------------------------------------------------------------
-- TABLE: points
-- Stores all point-type features (SPBU, Mosque, Poor Population)
-- ------------------------------------------------------------
CREATE TABLE IF NOT EXISTS points (
    id          INT AUTO_INCREMENT PRIMARY KEY,
    name        VARCHAR(255) NOT NULL,
    category    ENUM('spbu','mosque','poor') NOT NULL COMMENT 'spbu=Gas Station, mosque=Mosque, poor=Poor Population',
    subtype     VARCHAR(100)  DEFAULT NULL  COMMENT 'For SPBU: 24hours or not24hours',
    latitude    DECIMAL(10,8) NOT NULL,
    longitude   DECIMAL(11,8) NOT NULL,
    description TEXT          DEFAULT NULL,
    created_at  TIMESTAMP     DEFAULT CURRENT_TIMESTAMP,
    updated_at  TIMESTAMP     DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- ------------------------------------------------------------
-- TABLE: roads
-- Stores road polylines with GeoJSON geometry
-- ------------------------------------------------------------
CREATE TABLE IF NOT EXISTS roads (
    id          INT AUTO_INCREMENT PRIMARY KEY,
    name        VARCHAR(255) NOT NULL,
    road_type   ENUM('national','provincial','district') NOT NULL,
    length_m    DECIMAL(12,2) NOT NULL DEFAULT 0 COMMENT 'Length in meters, auto-calculated by frontend',
    geojson     LONGTEXT NOT NULL COMMENT 'GeoJSON LineString geometry',
    description TEXT DEFAULT NULL,
    created_at  TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at  TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- ------------------------------------------------------------
-- TABLE: parcels
-- Stores land parcel polygons with GeoJSON geometry
-- ------------------------------------------------------------
CREATE TABLE IF NOT EXISTS parcels (
    id              INT AUTO_INCREMENT PRIMARY KEY,
    owner_name      VARCHAR(255) NOT NULL,
    ownership_type  ENUM('SHM','HGB','HGU','HP') NOT NULL,
    area_m2         DECIMAL(15,4) NOT NULL DEFAULT 0 COMMENT 'Area in square meters, auto-calculated by frontend',
    geojson         LONGTEXT NOT NULL COMMENT 'GeoJSON Polygon geometry',
    description     TEXT DEFAULT NULL,
    created_at      TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at      TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- ------------------------------------------------------------
-- Sample seed data (optional)
-- ------------------------------------------------------------
INSERT INTO points (name, category, subtype, latitude, longitude, description) VALUES
('SPBU Jl. Sudirman', 'spbu', '24hours', -6.9175, 107.6191, 'SPBU di pusat kota'),
('SPBU Jl. Asia Afrika', 'spbu', 'not24hours', -6.9214, 107.6062, 'SPBU selatan kota'),
('Masjid Agung', 'mosque', NULL, -6.9200, 107.6100, 'Masjid Agung Bandung'),
('Masjid Al-Ikhlas', 'mosque', NULL, -6.9150, 107.6250, 'Masjid Kelurahan'),
('Lokasi Kemiskinan A', 'poor', NULL, -6.9300, 107.6050, 'Kawasan padat penduduk'),
('Lokasi Kemiskinan B', 'poor', NULL, -6.9350, 107.6150, 'RW 07 Kebon Jeruk');