-- =========================================================
-- trade.sql 🎉
-- 无物化视图 | 超可视提示 | 可重复执行
-- PostgreSQL 17.4+ 👍
-- =========================================================

-- 1️⃣ 开始 🚀
DO $$
BEGIN
    RAISE NOTICE '🚀============ trade 部署开始 ============🚀';
END $$;

-- 2️⃣ 连接目标库
\c postgres;

-- 3️⃣ 表结构 -----------------------------------
DO $$
BEGIN
    -- trade 主表
    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade') THEN
        CREATE TABLE trade (
            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
            deleted BOOLEAN NOT NULL DEFAULT FALSE,
            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
        );
        RAISE NOTICE '1️⃣✅ trade 主表已创建';
    ELSE
        RAISE NOTICE '1️⃣⏩ trade 主表已存在，跳过';
    END IF;

    -- remark 子表
    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_remark') THEN
        CREATE TABLE remark (
            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
            trade_id UUID NOT NULL,
            remark VARCHAR NOT NULL,
            deleted BOOLEAN NOT NULL DEFAULT FALSE,
            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
        );
        CREATE TRIGGER update_remark_updated_at
            BEFORE UPDATE ON remark
            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
        RAISE NOTICE '2️⃣✅ remark 子表已创建';
    ELSE
        RAISE NOTICE '2️⃣⏩ remark 子表已存在，跳过';
    END IF;

    -- open_date 子表
    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_open_date') THEN
        CREATE TABLE open_date (
            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
            trade_id UUID NOT NULL,
            year int NOT NULL DEFAULT 0,
            month int NOT NULL DEFAULT 0,
            day int NOT NULL DEFAULT 0,
            deleted BOOLEAN NOT NULL DEFAULT FALSE,
            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
        );
        CREATE TRIGGER update_open_date_updated_at
            BEFORE UPDATE ON open_date
            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
        RAISE NOTICE '3️⃣✅ open_date 子表已创建';
    ELSE
        RAISE NOTICE '3️⃣⏩ open_date 子表已存在，跳过';
    END IF;

    -- variety 子表
    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_variety') THEN
        CREATE TABLE variety (
            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
            trade_id UUID NOT NULL,
            variety_id UUID NOT NULL,
            variety_name VARCHAR NOT NULL,
            deleted BOOLEAN NOT NULL DEFAULT FALSE,
            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
        );
        CREATE TRIGGER update_variety_updated_at
            BEFORE UPDATE ON variety
            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
        RAISE NOTICE '4️⃣✅ variety 子表已创建';
    ELSE
        RAISE NOTICE '4️⃣⏩ variety 子表已存在，跳过';
    END IF;

    -- direction 子表
    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_direction') THEN
        CREATE TABLE direction (
            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
            trade_id UUID NOT NULL,
            direction VARCHAR NOT NULL,
            deleted BOOLEAN NOT NULL DEFAULT FALSE,
            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
        );
        CREATE TRIGGER update_direction_updated_at
            BEFORE UPDATE ON direction
            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
        RAISE NOTICE '5️⃣✅ direction 子表已创建';
    ELSE
        RAISE NOTICE '5️⃣⏩ direction 子表已存在，跳过';
    END IF;
END $$;

-- 4️⃣ 视图 ------------------------------------
DROP VIEW IF EXISTS trade_info_view;
CREATE OR REPLACE VIEW trade_info_view AS
SELECT
    t.id AS trade_id,
    r.remark AS remark,
    od.year AS open_year,
    od.month AS open_month,
    od.day AS open_day,
    v.variety_name AS variety_name,
    d.direction AS direction
FROM trade t
LEFT JOIN remark r ON t.id = r.trade_id AND r.deleted = FALSE
LEFT JOIN open_date od ON t.id = od.trade_id AND od.deleted = FALSE
LEFT JOIN variety v ON t.id = v.trade_id AND v.deleted = FALSE
LEFT JOIN direction d ON t.id = d.trade_id AND d.deleted = FALSE
WHERE t.deleted = FALSE;

RAISE NOTICE '4️⃣✅ trade_info_view 已创建/更新';

-- 5️⃣ 性能索引 ------------------------------------------------
CREATE INDEX IF NOT EXISTS idx_remark_trade_id_deleted ON remark(trade_id, deleted);
CREATE INDEX IF NOT EXISTS idx_open_date_trade_id_deleted ON open_date(trade_id, deleted);
CREATE INDEX IF NOT EXISTS idx_variety_trade_id_deleted ON variety(trade_id, deleted);
CREATE INDEX IF NOT EXISTS idx_direction_trade_id_deleted ON direction(trade_id, deleted);

RAISE NOTICE '5️⃣✅ 全部索引已确保存在';

-- 6️⃣ 完成 🎉
DO $$
BEGIN
    RAISE NOTICE '🎉============ trade 部署完成 ============🎉';
END $$;