package app

import (
	. "code.hoteas.com/golang/hotime"
	. "code.hoteas.com/golang/hotime/common"
)

// DmdbCtr 达梦数据库特有测试控制器
var DmdbCtr = Ctr{
	"tables": func(that *Context) {
		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
			return
		}
		tables := that.Db.Query(`SELECT TABLE_NAME AS "name", COMMENTS AS "label" FROM USER_TAB_COMMENTS WHERE TABLE_TYPE='TABLE'`)
		that.Display(0, Map{"tables": tables})
	},

	"describe": func(that *Context) {
		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
			return
		}
		tableName := that.Req.FormValue("table")
		if tableName == "" {
			that.Display(1, "请提供 table 参数")
			return
		}
		columns := that.Db.Query(`SELECT c.COLUMN_NAME AS "name", c.DATA_TYPE AS "type", m.COMMENTS AS "label", c.NULLABLE AS "must" FROM USER_TAB_COLUMNS c LEFT JOIN USER_COL_COMMENTS m ON c.TABLE_NAME=m.TABLE_NAME AND c.COLUMN_NAME=m.COLUMN_NAME WHERE c.TABLE_NAME='` + tableName + `' ORDER BY c.COLUMN_ID`)
		data := that.Db.Select(tableName, "*", Map{"LIMIT": 10})
		that.Display(0, Map{"table": tableName, "columns": columns, "sample_data": data})
	},

	"rawsql": func(that *Context) {
		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
			return
		}
		result := testDmRawSQL(that)
		that.Display(0, result)
	},
}

func testDmRawSQL(that *Context) Map {
	result := Map{"name": "达梦原生SQL测试", "tests": Slice{}}
	tests := Slice{}

	test1 := Map{"name": "Query 原生查询 (双引号)"}
	articles1 := that.Db.Query(`SELECT "id", "title", "author" FROM "article" WHERE "state" = ? LIMIT ?`, 0, 5)
	test1["result"] = len(articles1) >= 0
	test1["count"] = len(articles1)
	tests = append(tests, test1)

	test2 := Map{"name": "Exec 原生执行 (双引号)"}
	testArticle := that.Db.Get("article", "id", Map{"state": 0})
	if testArticle != nil {
		res, err := that.Db.Exec(`UPDATE "article" SET "modify_time" = NOW() WHERE "id" = ?`, testArticle.GetInt64("id"))
		if err.GetError() == nil && res != nil {
			affected, _ := res.RowsAffected()
			test2["result"] = affected >= 0
			test2["affected"] = affected
		} else {
			test2["result"] = false
			test2["error"] = err.GetError()
		}
	} else {
		test2["result"] = true
		test2["note"] = "无可用测试数据"
	}
	tests = append(tests, test2)

	test3 := Map{"name": "USER_TABLES 查询"}
	tables := that.Db.Query(`SELECT TABLE_NAME FROM USER_TABLES`)
	test3["result"] = len(tables) >= 0
	test3["count"] = len(tables)
	tests = append(tests, test3)

	test4 := Map{"name": "USER_TAB_COLUMNS 查询"}
	cols := that.Db.Query(`SELECT COLUMN_NAME, DATA_TYPE FROM USER_TAB_COLUMNS WHERE TABLE_NAME='admin' ORDER BY COLUMN_ID`)
	test4["result"] = len(cols) >= 0
	test4["count"] = len(cols)
	test4["columns"] = cols
	tests = append(tests, test4)

	result["tests"] = tests
	result["success"] = true
	return result
}