package mysql

import (
	"testing"

	"git.hexq.cn/tiglog/mydb"
	"git.hexq.cn/tiglog/mydb/internal/sqlbuilder"
	"github.com/stretchr/testify/assert"
)

func TestTemplateSelect(t *testing.T) {
	b := sqlbuilder.WithTemplate(template)
	assert := assert.New(t)

	assert.Equal(
		"SELECT * FROM `artist`",
		b.SelectFrom("artist").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist`",
		b.Select().From("artist").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` ORDER BY `name` DESC",
		b.Select().From("artist").OrderBy("name DESC").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` ORDER BY `name` DESC",
		b.Select().From("artist").OrderBy("-name").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` ORDER BY `name` ASC",
		b.Select().From("artist").OrderBy("name").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` ORDER BY `name` ASC",
		b.Select().From("artist").OrderBy("name ASC").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` LIMIT 18446744073709551615 OFFSET 5",
		b.Select().From("artist").Limit(-1).Offset(5).String(),
	)

	assert.Equal(
		"SELECT `id` FROM `artist`",
		b.Select("id").From("artist").String(),
	)

	assert.Equal(
		"SELECT `id`, `name` FROM `artist`",
		b.Select("id", "name").From("artist").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (`name` = $1)",
		b.SelectFrom("artist").Where("name", "Haruki").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (name LIKE $1)",
		b.SelectFrom("artist").Where("name LIKE ?", `%F%`).String(),
	)

	assert.Equal(
		"SELECT `id` FROM `artist` WHERE (name LIKE $1 OR name LIKE $2)",
		b.Select("id").From("artist").Where(`name LIKE ? OR name LIKE ?`, `%Miya%`, `F%`).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (`id` > $1)",
		b.SelectFrom("artist").Where("id >", 2).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (id <= 2 AND name != $1)",
		b.SelectFrom("artist").Where("id <= 2 AND name != ?", "A").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (`id` IN ($1, $2, $3, $4))",
		b.SelectFrom("artist").Where("id IN", []int{1, 9, 8, 7}).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` WHERE (name IS NOT NULL)",
		b.SelectFrom("artist").Where("name IS NOT NULL").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` AS `a`, `publication` AS `p` WHERE (p.author_id = a.id) LIMIT 1",
		b.Select().From("artist a", "publication as p").Where("p.author_id = a.id").Limit(1).String(),
	)

	assert.Equal(
		"SELECT `id` FROM `artist` NATURAL JOIN `publication`",
		b.Select("id").From("artist").Join("publication").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` AS `a` JOIN `publication` AS `p` ON (p.author_id = a.id) LIMIT 1",
		b.SelectFrom("artist a").Join("publication p").On("p.author_id = a.id").Limit(1).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` AS `a` JOIN `publication` AS `p` ON (p.author_id = a.id) WHERE (`a`.`id` = $1) LIMIT 1",
		b.SelectFrom("artist a").Join("publication p").On("p.author_id = a.id").Where("a.id", 2).Limit(1).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` JOIN `publication` AS `p` ON (p.author_id = a.id) WHERE (a.id = 2) LIMIT 1",
		b.SelectFrom("artist").Join("publication p").On("p.author_id = a.id").Where("a.id = 2").Limit(1).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` AS `a` JOIN `publication` AS `p` ON (p.title LIKE $1 OR p.title LIKE $2) WHERE (a.id = $3) LIMIT 1",
		b.SelectFrom("artist a").Join("publication p").On("p.title LIKE ? OR p.title LIKE ?", "%Totoro%", "%Robot%").Where("a.id = ?", 2).Limit(1).String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` AS `a` LEFT JOIN `publication` AS `p1` ON (p1.id = a.id) RIGHT JOIN `publication` AS `p2` ON (p2.id = a.id)",
		b.SelectFrom("artist a").
			LeftJoin("publication p1").On("p1.id = a.id").
			RightJoin("publication p2").On("p2.id = a.id").
			String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` CROSS JOIN `publication`",
		b.SelectFrom("artist").CrossJoin("publication").String(),
	)

	assert.Equal(
		"SELECT * FROM `artist` JOIN `publication` USING (`id`)",
		b.SelectFrom("artist").Join("publication").Using("id").String(),
	)

	assert.Equal(
		"SELECT DATE()",
		b.Select(mydb.Raw("DATE()")).String(),
	)

	// Issue #408
	{
		assert.Equal(
			"SELECT * FROM `artist` WHERE (`id` IN ($1, $2) AND `name` LIKE $3)",
			b.SelectFrom("artist").Where(mydb.Cond{"name LIKE": "%foo", "id IN": []int{1, 2}}).String(),
		)

		assert.Equal(
			"SELECT * FROM `artist` WHERE (`id` = $1 AND `name` LIKE $2)",
			b.SelectFrom("artist").Where(mydb.Cond{"name LIKE": "%foo", "id": []byte{1, 2}}).String(),
		)

		assert.Equal(
			"SELECT * FROM `artist` WHERE (`id` IN ($1, $2) AND `name` LIKE $3)",
			b.SelectFrom("artist").Where(mydb.Cond{"name LIKE": "%foo", "id": mydb.In(1, 2)}).String(),
		)

		assert.Equal(
			"SELECT * FROM `artist` WHERE (`id` IN ($1, $2) AND `name` LIKE $3)",
			b.SelectFrom("artist").Where(mydb.Cond{"name LIKE": "%foo", "id": mydb.AnyOf([]int{1, 2})}).String(),
		)
	}
}

func TestTemplateInsert(t *testing.T) {
	b := sqlbuilder.WithTemplate(template)
	assert := assert.New(t)

	assert.Equal(
		"INSERT INTO `artist` VALUES ($1, $2), ($3, $4), ($5, $6)",
		b.InsertInto("artist").
			Values(10, "Ryuichi Sakamoto").
			Values(11, "Alondra de la Parra").
			Values(12, "Haruki Murakami").
			String(),
	)

	assert.Equal(
		"INSERT INTO `artist` (`id`, `name`) VALUES ($1, $2)",
		b.InsertInto("artist").Values(map[string]string{"id": "12", "name": "Chavela Vargas"}).String(),
	)

	assert.Equal(
		"INSERT INTO `artist` (`id`, `name`) VALUES ($1, $2) RETURNING `id`",
		b.InsertInto("artist").Values(map[string]string{"id": "12", "name": "Chavela Vargas"}).Returning("id").String(),
	)

	assert.Equal(
		"INSERT INTO `artist` (`id`, `name`) VALUES ($1, $2)",
		b.InsertInto("artist").Values(map[string]interface{}{"name": "Chavela Vargas", "id": 12}).String(),
	)

	assert.Equal(
		"INSERT INTO `artist` (`id`, `name`) VALUES ($1, $2)",
		b.InsertInto("artist").Values(struct {
			ID   int    `db:"id"`
			Name string `db:"name"`
		}{12, "Chavela Vargas"}).String(),
	)

	assert.Equal(
		"INSERT INTO `artist` (`name`, `id`) VALUES ($1, $2)",
		b.InsertInto("artist").Columns("name", "id").Values("Chavela Vargas", 12).String(),
	)
}

func TestTemplateUpdate(t *testing.T) {
	b := sqlbuilder.WithTemplate(template)
	assert := assert.New(t)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1",
		b.Update("artist").Set("name", "Artist").String(),
	)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1 WHERE (`id` < $2)",
		b.Update("artist").Set("name = ?", "Artist").Where("id <", 5).String(),
	)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1 WHERE (`id` < $2)",
		b.Update("artist").Set(map[string]string{"name": "Artist"}).Where(mydb.Cond{"id <": 5}).String(),
	)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1 WHERE (`id` < $2)",
		b.Update("artist").Set(struct {
			Nombre string `db:"name"`
		}{"Artist"}).Where(mydb.Cond{"id <": 5}).String(),
	)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1, `last_name` = $2 WHERE (`id` < $3)",
		b.Update("artist").Set(struct {
			Nombre string `db:"name"`
		}{"Artist"}).Set(map[string]string{"last_name": "Foo"}).Where(mydb.Cond{"id <": 5}).String(),
	)

	assert.Equal(
		"UPDATE `artist` SET `name` = $1 || ' ' || $2 || id, `id` = id + $3 WHERE (id > $4)",
		b.Update("artist").Set(
			"name = ? || ' ' || ? || id", "Artist", "#",
			"id = id + ?", 10,
		).Where("id > ?", 0).String(),
	)
}

func TestTemplateDelete(t *testing.T) {
	b := sqlbuilder.WithTemplate(template)
	assert := assert.New(t)

	assert.Equal(
		"DELETE FROM `artist` WHERE (name = $1)",
		b.DeleteFrom("artist").Where("name = ?", "Chavela Vargas").String(),
	)

	assert.Equal(
		"DELETE FROM `artist` WHERE (id > 5)",
		b.DeleteFrom("artist").Where("id > 5").String(),
	)
}