// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.

package gdb

import (
	"fmt"
	"github.com/gogf/gf/os/gcmd"
	"github.com/gogf/gf/os/gtime"
	"github.com/gogf/gf/test/gtest"
	"testing"
)

const (
	SCHEMA = "test_internal"
)

var (
	db         DB
	configNode ConfigNode
)

func init() {
	parser, err := gcmd.Parse(map[string]bool{
		"name": true,
		"type": true,
	}, false)
	gtest.Assert(err, nil)
	configNode = ConfigNode{
		Host:             "127.0.0.1",
		Port:             "3306",
		User:             "root",
		Pass:             "12345678",
		Name:             parser.GetOpt("name", ""),
		Type:             parser.GetOpt("type", "mysql"),
		Role:             "master",
		Charset:          "utf8",
		Weight:           1,
		MaxIdleConnCount: 10,
		MaxOpenConnCount: 10,
		MaxConnLifetime:  600,
	}
	AddConfigNode(DEFAULT_GROUP_NAME, configNode)
	// Default db.
	if r, err := New(); err != nil {
		gtest.Error(err)
	} else {
		db = r
	}
	schemaTemplate := "CREATE DATABASE IF NOT EXISTS `%s` CHARACTER SET UTF8"
	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA)); err != nil {
		gtest.Error(err)
	}
	db.SetSchema(SCHEMA)
}

func dropTable(table string) {
	if _, err := db.Exec(fmt.Sprintf("DROP TABLE IF EXISTS `%s`", table)); err != nil {
		gtest.Error(err)
	}
}

func Test_Func_FormatSqlWithArgs(t *testing.T) {
	// mysql
	gtest.C(t, func(t *gtest.T) {
		var s string
		s = FormatSqlWithArgs("select * from table where id>=? and sex=?", []interface{}{100, 1})
		t.Assert(s, "select * from table where id>=100 and sex=1")
	})
	// mssql
	gtest.C(t, func(t *gtest.T) {
		var s string
		s = FormatSqlWithArgs("select * from table where id>=@p1 and sex=@p2", []interface{}{100, 1})
		t.Assert(s, "select * from table where id>=100 and sex=1")
	})
	// pgsql
	gtest.C(t, func(t *gtest.T) {
		var s string
		s = FormatSqlWithArgs("select * from table where id>=$1 and sex=$2", []interface{}{100, 1})
		t.Assert(s, "select * from table where id>=100 and sex=1")
	})
	// oracle
	gtest.C(t, func(t *gtest.T) {
		var s string
		s = FormatSqlWithArgs("select * from table where id>=:1 and sex=:2", []interface{}{100, 1})
		t.Assert(s, "select * from table where id>=100 and sex=1")
	})
}

func Test_Func_doQuoteWord(t *testing.T) {
	gtest.C(t, func(t *gtest.T) {
		array := map[string]string{
			"user":                   "`user`",
			"user u":                 "user u",
			"user_detail":            "`user_detail`",
			"user,user_detail":       "user,user_detail",
			"user u, user_detail ut": "user u, user_detail ut",
			"u.id asc":               "u.id asc",
			"u.id asc, ut.uid desc":  "u.id asc, ut.uid desc",
		}
		for k, v := range array {
			t.Assert(doQuoteWord(k, "`", "`"), v)
		}
	})
}

func Test_Func_doQuoteString(t *testing.T) {
	gtest.C(t, func(t *gtest.T) {
		array := map[string]string{
			"user":                             "`user`",
			"user u":                           "`user` u",
			"user,user_detail":                 "`user`,`user_detail`",
			"user u, user_detail ut":           "`user` u,`user_detail` ut",
			"u.id, u.name, u.age":              "`u`.`id`,`u`.`name`,`u`.`age`",
			"u.id asc":                         "`u`.`id` asc",
			"u.id asc, ut.uid desc":            "`u`.`id` asc,`ut`.`uid` desc",
			"user.user u, user.user_detail ut": "`user`.`user` u,`user`.`user_detail` ut",
			// mssql global schema access with double dots.
			"user..user u, user.user_detail ut": "`user`..`user` u,`user`.`user_detail` ut",
		}
		for k, v := range array {
			t.Assert(doQuoteString(k, "`", "`"), v)
		}
	})
}

func Test_Func_addTablePrefix(t *testing.T) {
	gtest.C(t, func(t *gtest.T) {
		prefix := ""
		array := map[string]string{
			"user":                         "`user`",
			"user u":                       "`user` u",
			"user as u":                    "`user` as u",
			"user,user_detail":             "`user`,`user_detail`",
			"user u, user_detail ut":       "`user` u,`user_detail` ut",
			"`user`.user_detail":           "`user`.`user_detail`",
			"`user`.`user_detail`":         "`user`.`user_detail`",
			"user as u, user_detail as ut": "`user` as u,`user_detail` as ut",
			"UserCenter.user as u, UserCenter.user_detail as ut": "`UserCenter`.`user` as u,`UserCenter`.`user_detail` as ut",
			// mssql global schema access with double dots.
			"UserCenter..user as u, user_detail as ut": "`UserCenter`..`user` as u,`user_detail` as ut",
		}
		for k, v := range array {
			t.Assert(doHandleTableName(k, prefix, "`", "`"), v)
		}
	})
	gtest.C(t, func(t *gtest.T) {
		prefix := "gf_"
		array := map[string]string{
			"user":                         "`gf_user`",
			"user u":                       "`gf_user` u",
			"user as u":                    "`gf_user` as u",
			"user,user_detail":             "`gf_user`,`gf_user_detail`",
			"user u, user_detail ut":       "`gf_user` u,`gf_user_detail` ut",
			"`user`.user_detail":           "`user`.`gf_user_detail`",
			"`user`.`user_detail`":         "`user`.`gf_user_detail`",
			"user as u, user_detail as ut": "`gf_user` as u,`gf_user_detail` as ut",
			"UserCenter.user as u, UserCenter.user_detail as ut": "`UserCenter`.`gf_user` as u,`UserCenter`.`gf_user_detail` as ut",
			// mssql global schema access with double dots.
			"UserCenter..user as u, user_detail as ut": "`UserCenter`..`gf_user` as u,`gf_user_detail` as ut",
		}
		for k, v := range array {
			t.Assert(doHandleTableName(k, prefix, "`", "`"), v)
		}
	})
}

func Test_Model_getSoftFieldName(t *testing.T) {
	table1 := "soft_deleting_table_" + gtime.TimestampNanoStr()
	if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
  id        int(11) NOT NULL,
  name      varchar(45) DEFAULT NULL,
  create_at datetime DEFAULT NULL,
  update_at datetime DEFAULT NULL,
  delete_at datetime DEFAULT NULL,
  PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
    `, table1)); err != nil {
		gtest.Error(err)
	}
	defer dropTable(table1)

	table2 := "soft_deleting_table_" + gtime.TimestampNanoStr()
	if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
  id        int(11) NOT NULL,
  name      varchar(45) DEFAULT NULL,
  createat datetime DEFAULT NULL,
  updateat datetime DEFAULT NULL,
  deleteat datetime DEFAULT NULL,
  PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
    `, table2)); err != nil {
		gtest.Error(err)
	}
	defer dropTable(table2)

	gtest.C(t, func(t *gtest.T) {
		model := db.Table(table1)
		gtest.Assert(model.getSoftFieldNameCreate(table2), "createat")
		gtest.Assert(model.getSoftFieldNameUpdate(table2), "updateat")
		gtest.Assert(model.getSoftFieldNameDelete(table2), "deleteat")
	})
}

func Test_Model_getConditionForSoftDeleting(t *testing.T) {
	table1 := "soft_deleting_table_" + gtime.TimestampNanoStr()
	if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
  id1        int(11) NOT NULL,
  name1      varchar(45) DEFAULT NULL,
  create_at datetime DEFAULT NULL,
  update_at datetime DEFAULT NULL,
  delete_at datetime DEFAULT NULL,
  PRIMARY KEY (id1)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
    `, table1)); err != nil {
		gtest.Error(err)
	}
	defer dropTable(table1)

	table2 := "soft_deleting_table_" + gtime.TimestampNanoStr()
	if _, err := db.Exec(fmt.Sprintf(`
CREATE TABLE %s (
  id2        int(11) NOT NULL,
  name2      varchar(45) DEFAULT NULL,
  createat datetime DEFAULT NULL,
  updateat datetime DEFAULT NULL,
  deleteat datetime DEFAULT NULL,
  PRIMARY KEY (id2)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
    `, table2)); err != nil {
		gtest.Error(err)
	}
	defer dropTable(table2)

	gtest.C(t, func(t *gtest.T) {
		model := db.Table(table1)
		t.Assert(model.getConditionForSoftDeleting(), "`delete_at` IS NULL")
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s as t`, table1))
		t.Assert(model.getConditionForSoftDeleting(), "`delete_at` IS NULL")
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s, %s`, table1, table2))
		t.Assert(model.getConditionForSoftDeleting(), fmt.Sprintf(
			"`%s`.`delete_at` IS NULL AND `%s`.`deleteat` IS NULL",
			table1, table2,
		))
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s t1, %s as t2`, table1, table2))
		t.Assert(model.getConditionForSoftDeleting(), "`t1`.`delete_at` IS NULL AND `t2`.`deleteat` IS NULL")
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s as t1, %s as t2`, table1, table2))
		t.Assert(model.getConditionForSoftDeleting(), "`t1`.`delete_at` IS NULL AND `t2`.`deleteat` IS NULL")
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s as t1`, table1)).LeftJoin(table2+" t2", "t2.id2=t1.id1")
		t.Assert(model.getConditionForSoftDeleting(), "`t1`.`delete_at` IS NULL AND `t2`.`deleteat` IS NULL")
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s`, table1)).LeftJoin(table2, "t2.id2=t1.id1")
		t.Assert(model.getConditionForSoftDeleting(), fmt.Sprintf(
			"`%s`.`delete_at` IS NULL AND `%s`.`deleteat` IS NULL",
			table1, table2,
		))
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(fmt.Sprintf(`%s`, table1)).LeftJoin(table2, "t2.id2=t1.id1").RightJoin(table2, "t2.id2=t1.id1")
		t.Assert(model.getConditionForSoftDeleting(), fmt.Sprintf(
			"`%s`.`delete_at` IS NULL AND `%s`.`deleteat` IS NULL AND `%s`.`deleteat` IS NULL",
			table1, table2, table2,
		))
	})
	gtest.C(t, func(t *gtest.T) {
		model := db.Table(table1+" as t1").LeftJoin(table2+" as t2", "t2.id2=t1.id1").RightJoin(table2+" as t3 ", "t2.id2=t1.id1")
		t.Assert(
			model.getConditionForSoftDeleting(),
			"`t1`.`delete_at` IS NULL AND `t2`.`deleteat` IS NULL AND `t3`.`deleteat` IS NULL",
		)
	})
}