---------------------------------------------- 0.初始化
create extension if not exists postgis cascade;

create extension if not exists "uuid-ossp";

create schema if not exists nsl;
---------------------------------------------- 1.推演模拟
-- drop table if exists nsl.simu;
create table nsl.simu (
  	id serial primary key,
  	name varchar(200),
  	service_name varchar(200),
    type smallint default 1,
	area_type smallint default 0,
	area_name varchar(200),
	data varchar(8000),
	status smallint default 0,
	result varchar(8000),
	create_time timestamp(6) without time zone default now(),
	create_user varchar(50),
	update_time timestamp(6) without time zone,
  	update_user varchar(50),
	bak varchar(2000),
	geom geometry(MultiPolygon, 4490)
);
-- drop index nsl.idx_nsl_simu_geom;
create index idx_nsl_simu_geom on nsl.simu using GIST (geom);

comment on table nsl.simu is '推演模拟表';
comment on column nsl.simu.id is '主键ID';
comment on column nsl.simu.name is '名称';
comment on column nsl.simu.service_name is '服务名称';
comment on column nsl.simu.type is '类别：1-预测模拟，2-实时模拟，3-历史模拟';
comment on column nsl.simu.area_type is '区域类别：0-自定义，1-行政区划，2-重点区域，3-重点沟';
comment on column nsl.simu.area_name is '区域名称';
comment on column nsl.simu.data is '数据(JSON)';
comment on column nsl.simu.status is '状态：0-创建仿真，1-预处理，2-分析中，10-完成，20-出错';
comment on column nsl.simu.result is '结果(JSON)';
comment on column nsl.simu.create_time is '创建时间';
comment on column nsl.simu.create_user is '创建人';
comment on column nsl.simu.update_time is '更新时间';
comment on column nsl.simu.update_user is '更新人';
comment on column nsl.simu.bak is '备注';
comment on column nsl.simu.geom is '空间位置';

-- insert into nsl.simu (name, service_name, type, area_type, area_name, status, geom) values ('预测模拟-0416', '20250416100000', 1, 1, '大兴区', 0, ST_GeomFromText('MULTIPOLYGON(((116.666748 39.639859,116.659403 39.626287,116.665956 39.654698,116.666748 39.639859)))'));

select id,name,service_name,type,area_type,area_name,status,result,create_time,update_time,bak,data,st_astext(geom) from nsl.simu where id > 0 order by id desc;
-- update nsl.simu set status = 0, area_name = '房山区', data = '{"startTime":"2025-05-01 11:10:54","type":3,"total":50,"duration":6,"intensity":70,"history":"XX年50mm降雨"}' where id = 24;
---------------------------------------------- 2.推演区域
-- drop table if exists nsl.region;
create table nsl.region (
  	id serial primary key,
  	name varchar(200),
    type smallint default 1,
	geom geometry(MultiPolygon, 4490)
);
-- drop index nsl.idx_nsl_region_geom;
create index idx_nsl_region_geom on nsl.region using GIST (geom);

comment on table nsl.region is '推演区域表';
comment on column nsl.region.id is '主键ID';
comment on column nsl.region.name is '名称';
comment on column nsl.region.type is '类别：1-行政区划，2-重点区域，3-重点沟';
comment on column nsl.region.geom is '空间位置';

-- insert into nsl.region (name, type, geom) values ('大兴', 1, ST_GeomFromText('MULTIPOLYGON(((116.666748 39.639859,116.659403 39.626287,116.665956 39.654698,116.666748 39.639859)))'));

select id, name, type, st_astext(geom) from nsl.region order by type, id;
---------------------------------------------- 3.雨量计 *
-- drop table if exists nsl.udometer;
create table nsl.udometer (
  	id serial primary key,
  	name varchar(200),
    rainfall numeric(15, 3) default 0.0, -- 总位数/小数位数
	geom geometry(Point, 4490)
);
-- drop index nsl.idx_nsl_udometer_geom;
create index idx_nsl_udometer_geom on nsl.udometer using GIST (geom);

comment on table nsl.udometer is '雨量计表';
comment on column nsl.udometer.id is '主键ID';
comment on column nsl.udometer.name is '名称';
comment on column nsl.udometer.rainfall is '降雨量(米)';
comment on column nsl.udometer.geom is '空间位置';

select * from nsl.udometer;
---------------------------------------------- 将 MULTIPOLYGON 转换为 POLYGON
select st_astext(ST_GeometryN(geom, generate_series(1, ST_NumGeometries(geom)))) as geom from nsl.region limit 1;