-- 智电改造线路台账真实 ICC 同步：重建 electric_line 表结构（按 ICC DetectorVO）
-- 1) 增列/删列/改可空（幂等）；2) gateway_id 外键 → electric_gateway；3) 索引与注释同步
BEGIN;

ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS imei                VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS gateway_id          BIGINT;
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS type_code           VARCHAR(32);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS type_name           VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS fire_system_code    VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS fire_system_name    VARCHAR(128);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS part_unit_loop_code VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS channel_no          VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS channel_sn          VARCHAR(64);
ALTER TABLE electric_line ADD COLUMN IF NOT EXISTS produce_date        VARCHAR(16);

ALTER TABLE electric_line DROP COLUMN IF EXISTS icc_device_code;
ALTER TABLE electric_line DROP COLUMN IF EXISTS building_id;
ALTER TABLE electric_line DROP COLUMN IF EXISTS floor_no;
ALTER TABLE electric_line DROP COLUMN IF EXISTS location;

ALTER TABLE electric_line ALTER COLUMN equip_id DROP NOT NULL;

ALTER TABLE electric_line ADD CONSTRAINT fk_line_gateway FOREIGN KEY (gateway_id) REFERENCES electric_gateway(id);

DROP INDEX IF EXISTS idx_line_icc;
CREATE INDEX IF NOT EXISTS idx_line_gateway ON electric_line (gateway_id);
CREATE INDEX IF NOT EXISTS idx_line_imei     ON electric_line (imei);

COMMENT ON TABLE  electric_line IS '智电改造线路信息表（ICC 探测器同步）';
COMMENT ON COLUMN electric_line.line_code           IS '探测器编码（ICC detectorCode，唯一幂等键）';
COMMENT ON COLUMN electric_line.line_name           IS '探测器名称（ICC detectorName）';
COMMENT ON COLUMN electric_line.imei                IS '设备唯一标识码（ICC imei）';
COMMENT ON COLUMN electric_line.equip_id            IS '客户设备 ID（→ customer_equipment，可空，同步不填充）';
COMMENT ON COLUMN electric_line.gateway_id          IS '网关设备 ID（→ electric_gateway，由 parentCode↔device_code 匹配）';
COMMENT ON COLUMN electric_line.customer_id         IS '客户 ID（orgCode→customer.icc_code 解析，逻辑隔离键）';
COMMENT ON COLUMN electric_line.type_code           IS '探测器类型编码';
COMMENT ON COLUMN electric_line.type_name           IS '探测器类型名称';
COMMENT ON COLUMN electric_line.fire_system_code    IS '消防系统编码';
COMMENT ON COLUMN electric_line.fire_system_name    IS '消防系统名称';
COMMENT ON COLUMN electric_line.part_unit_loop_code IS '探测器回路号';
COMMENT ON COLUMN electric_line.channel_no          IS '探测器通道号';
COMMENT ON COLUMN electric_line.channel_sn          IS '通道唯一标识码';
COMMENT ON COLUMN electric_line.produce_date        IS '生产日期（yyyy-MM-dd）';
COMMENT ON COLUMN electric_line.status              IS '探测器状态：1在线 0离线（detectorStatus 01→1 / 02→0）';
COMMENT ON COLUMN electric_line.synced_at           IS 'ICC 同步时间';
COMMENT ON COLUMN electric_line.created_at          IS '创建时间';

COMMIT;