DELIMITER //

CREATE OR REPLACE PROCEDURE Parse_JSON(
  IN p_uuid VARCHAR(100),
  IN json_input JSON
)
/*
call Parse_JSON('uuid-20250803',
'{"custcateid":"08","custcatecname":"8888","custcateename":"","memochar":"","mergetype":"","token":"c975931c-6f8d-11f0-9c5f-d8bbc15c1404","_$_tableName":"bascustcategory",
"_$_pk":"custcateid",
"_$_action":"D"}');

call Parse_JSON('uuid-20250803',
'{"sprintid":"Next-Sprint","sprint_title":"調整現行 PBI 緩衝用的 Sprint(2025)","sprint_startdate":"2025-01-01T00:00:00.000+08:00","sprint_enddate":"2099-12-30T16:00:00.000Z","time_range":"2099",
"token":"768f1c89-6fb9-11f0-9c5f-d8bbc15c1404",
"_$_tableName":"pms_sprint",
"_$_pk":"sprintid",
"_$_action":"U"}');

call Parse_JSON('uuid-20250803_3',
'{"rows":[{"custcateid":"09","custcatecname":"9999","custcateename":"9999-memo","memochar":"","mergetype":""}],
"rowsDiff":[{"custcateename":"9999-memo"}],"indexes":["7"],
"rowsOrigin":
[{"custcateid":"09","custcatecname":"9999","custcateename":"","memochar":"","mergetype":""}],
"unModifiedItems":[
{"custcateid":"01","custcatecname":"經銷商","custcateename":"333","memochar":"","mergetype":"0"},
{"custcateid":"02","custcatecname":"代理商","custcateename":"444","memochar":"","mergetype":"0"},
{"custcateid":"03","custcatecname":"大型企業","custcateename":"","memochar":"","mergetype":"0"},
{"custcateid":"04","custcatecname":"政府","custcateename":"","memochar":"","mergetype":"0"},
{"custcateid":"05","custcatecname":"中小企業","custcateename":"","memochar":"","mergetype":"0"},
{"custcateid":"06","custcatecname":"學校","custcateename":"","memochar":"","mergetype":"0"},
{"custcateid":"07","custcatecname":"竹科","custcateename":"","memochar":"","mergetype":"0"}],
"token":"d101363e-700c-11f0-9c5f-d8bbc15c1404","_$_tableName":"bascustcategory","_$_pk":"custcateid","_$_action":"U"}');

call Parse_JSON('uuid-20250820_1',
'{"projectclassid":"soft-dev","proj_boss":"120102",
"config":[{"label":"(GM) 總經理室",
"children":[
{"label":"(120101) 高光","value":"120101"},
{"label":"(121108) 沈秋月","value":"121108"},
{"label":"(200605) 陳明文","value":"200605"},
{"label":"(120102) 王俊傑","value":"120102"},
{"label":"(150201) 衛斯理","value":"150201"},
{"label":"(190802) 葉子龍","value":"190802"},
{"label":"(210301) 高國華","value":"210301"},
{"label":"(admin)admin","value":"admin"},
{"label":"(160805) 邱雅惠","value":"160805"},
{"label":"(170911) 劉強南","value":"170911"},
{"label":"(201001) 林志堅","value":"201001"},
{"label":"(120912) 陳進德","value":"120912"},
{"label":"(170109) 林玉玲","value":"170109"},
{"label":"(180210) 秦一明","value":"180210"},
{"label":"(191006) 歐陽龍","value":"191006"},
{"label":"(201036) 邱郁芳","value":"201036"},
{"label":"(demo) 測試用戶","value":"demo"}]
}],
"projectid":"IT-2025-Chaos","proj_cname":"MariaDB改寫專案","proj_status":"SASD","proj_startdate":"2025-08-01","proj_enddate":"2025-09-30",
"proj_year":"2025","token":"a85afca2-7dc5-11f0-9c5f-d8bbc15c1404",
"_$_tableName":"pmsproject",
"_$_pk":"projectid",
"_$_action":"C"}'); 


*/
BEGIN
    DECLARE i INT DEFAULT 0;
    DECLARE total_keys INT;
    DECLARE key_name VARCHAR(255);
    DECLARE val JSON;

    DECLARE sub_key_name VARCHAR(255);
    DECLARE sub_val JSON;
    DECLARE sub_total_keys INT;
    DECLARE j INT;
	DECLARE x INT;
	DECLARE y INT;
	DECLARE arr_count,arr_idx INT;
	DECLARE arr_obj JSON;

    -- 取第一層 keys 數量
    SET total_keys = JSON_LENGTH(JSON_KEYS(json_input));
	SET x = 1;
	SET y = 1;
	
    WHILE i < total_keys DO
        SET key_name = JSON_UNQUOTE(JSON_EXTRACT(JSON_KEYS(json_input), CONCAT('$[', i, ']')));
        SET val = JSON_EXTRACT(json_input, CONCAT('$.', key_name));

        -- 插入第一層
        -- INSERT INTO tmp_json_parse_result (level, parent_key, key_name, value)
		INSERT INTO sys_jsondata (UUID, `NAME`, SequenceNo, parent_ID, StringValue, ValueType)
        VALUES (p_uuid, key_name, x, NULL, JSON_UNQUOTE(val), JSON_TYPE(val));
		
		SET y = x;
		SET x = x + 1;
		
		-- 第二層處理：若 value 是 object 或 array，解析其 key-value (當前版本只處理 2層, 多的暫時不管)
		IF JSON_TYPE(val) IN ('OBJECT', 'ARRAY') THEN
			-- 先處理 ARRAY 可能有多筆資料
			IF JSON_TYPE(val) = 'ARRAY' THEN
				SET arr_count = JSON_LENGTH(val);
				SET arr_idx = 0;

				WHILE arr_idx < arr_count DO
					-- 取出陣列中的單一物件
					SET arr_obj = JSON_EXTRACT(val, CONCAT('$[', arr_idx, ']'));
					SET j = 0;
					SET sub_total_keys = JSON_LENGTH(JSON_KEYS(arr_obj));

					WHILE j < sub_total_keys DO
						SET sub_key_name = JSON_UNQUOTE(JSON_EXTRACT(JSON_KEYS(arr_obj), CONCAT('$[', j, ']')));
						SET sub_val = JSON_EXTRACT(arr_obj, CONCAT('$.', sub_key_name));

						INSERT INTO sys_jsondata (UUID, `NAME`, SequenceNo, parent_ID, Object_ID, StringValue, ValueType)
						VALUES (p_uuid, sub_key_name, x, y, arr_idx+1, JSON_UNQUOTE(sub_val), JSON_TYPE(sub_val));

						SET j = j + 1;
						SET x = x + 1;
					END WHILE;

					SET arr_idx = arr_idx + 1;
				END WHILE;
			ELSE
				-- 處理單一 OBJECT
				SET j = 0;
				SET sub_total_keys = JSON_LENGTH(JSON_KEYS(val));

				WHILE j < sub_total_keys DO
					SET sub_key_name = JSON_UNQUOTE(JSON_EXTRACT(JSON_KEYS(val), CONCAT('$[', j, ']')));
					SET sub_val = JSON_EXTRACT(val, CONCAT('$.', sub_key_name));

					INSERT INTO sys_jsondata (UUID, `NAME`, SequenceNo, parent_ID, StringValue, ValueType)
					VALUES (p_uuid, sub_key_name, x, y, JSON_UNQUOTE(sub_val), JSON_TYPE(sub_val));

					SET j = j + 1;
					SET x = x + 1;
				END WHILE;
			END IF;
		END IF;

		/*
        -- 第二層處理：若 value 是 object，解析其 key-value
        IF JSON_TYPE(val) in ('OBJECT','ARRAY') THEN
		    -- 先解決 rows Grid Edit 多筆資料, 後續應該還有其他狀況要一一排除
            SET j = 0;
			-- IF SELECT TRIM(BOTH '[]' FROM '[example]') AS result;
            SET sub_total_keys = JSON_LENGTH(JSON_KEYS(val));
		
            WHILE j < sub_total_keys DO
                SET sub_key_name = JSON_UNQUOTE(JSON_EXTRACT(JSON_KEYS(val), CONCAT('$[', j, ']')));
                SET sub_val = JSON_EXTRACT(val, CONCAT('$.', sub_key_name));

                -- INSERT INTO tmp_json_parse_result (level, parent_key, key_name, value)
				INSERT INTO sys_jsondata (UUID, `NAME`, SequenceNo, parent_ID, StringValue, ValueType)
                VALUES (p_uuid, sub_key_name, x, y , JSON_UNQUOTE(sub_val), JSON_TYPE(val));

                SET j = j + 1;
				SET x = x + 1;
            END WHILE;
        END IF;
		*/
		
        SET i = i + 1;
    END WHILE;
	
END //

DELIMITER ;