package simpleorm_test

import (
	"strconv"
	"testing"

	simpleorm "git.gdulai.com/gdulai/simpleorm"
	log "gitlab.com/gdulai/simpleloglvl"
)

func TestParseSimple(t *testing.T) {
	log.LogInfo("Test start...")
	// GIVEN
	orm := simpleorm.NewORM(Test{})
	// WHEN
	ddl, err := orm.CreateSchema()
	// THEN
	if err != nil {
		log.LogError("Failed to parse schema! %s", err)
		t.Fail()
	}

	expectedDdl := "CREATE TABLE IF NOT EXISTS TEST (ID INTEGER, INT64_FIELD BIGINT NOT NULL, INT_FIELD INTEGER NOT NULL, STRING_FIELD TEXT NOT NULL, CONSTRAINT pk_test PRIMARY KEY(ID));"
	if ddl != expectedDdl {
		log.LogError("Incorrect DDL.\nExpected\n%s\nActual\n%s", expectedDdl, ddl)
		log.LogError("\nExpected size: %s\nActual size: %s", strconv.Itoa(len(expectedDdl)), strconv.Itoa(len(ddl)))
		t.Fail()
	}
	log.LogInfo("Test finished!")
}

func TestParseFk(t *testing.T) {
	log.LogInfo("Test start...")
	// GIVEN
	orm := simpleorm.NewORM(Test{}, TestWithFk{})
	// WHEN
	ddl, err := orm.CreateSchema()
	// THEN
	if err != nil {
		log.LogError("Failed to parse schema! %s", err)
		t.Fail()
	}

	expectedDdl :=
		"CREATE TABLE IF NOT EXISTS TEST (ID INTEGER, INT64_FIELD BIGINT NOT NULL, INT_FIELD INTEGER NOT NULL, STRING_FIELD TEXT NOT NULL, CONSTRAINT pk_test PRIMARY KEY(ID));\n" +
			"CREATE TABLE IF NOT EXISTS TEST_WITH_FK (ID INTEGER, TEST_ID INTEGER NOT NULL, CONSTRAINT pk_test_with_fk PRIMARY KEY(ID), CONSTRAINT fk_test FOREIGN KEY(TEST_ID) REFERENCES TEST(ID));"
	if ddl != expectedDdl {
		log.LogError("Incorrect DDL.\nExpected\n%s\nActual\n%s", expectedDdl, ddl)
		log.LogError("\nExpected size: %s\nActual size: %s", strconv.Itoa(len(expectedDdl)), strconv.Itoa(len(ddl)))
		t.Fail()
	}
	log.LogInfo("Test finished!")
}

func TestParseFkAndFkId(t *testing.T) {
	// GIVEN
	orm := simpleorm.NewORM(Test{}, TestWithFkAndFkId{})
	// WHEN
	// WHEN
	ddl, err := orm.CreateSchema()
	// THEN
	if err != nil {
		log.LogError("Failed to parse schema! %s", err)
		t.Fail()
	}

	expectedDdl :=
		"CREATE TABLE IF NOT EXISTS TEST (ID INTEGER, INT64_FIELD BIGINT NOT NULL, INT_FIELD INTEGER NOT NULL, STRING_FIELD TEXT NOT NULL, CONSTRAINT pk_test PRIMARY KEY(ID));\n" +
			"CREATE TABLE IF NOT EXISTS TEST_WITH_FK_AND_FK_ID (ID INTEGER, TEST_ID INTEGER NOT NULL, CONSTRAINT pk_test_with_fk_and_fk_id PRIMARY KEY(ID), CONSTRAINT custom_fk FOREIGN KEY(TEST_ID) REFERENCES TEST(ID));"
	if ddl != expectedDdl {
		log.LogError("Incorrect DDL.\nExpected\n%s\nActual\n%s", expectedDdl, ddl)
		log.LogError("\nExpected size: %s\nActual size: %s", strconv.Itoa(len(expectedDdl)), strconv.Itoa(len(ddl)))
		t.Fail()
	}
}

func TestParseCompositePk(t *testing.T) {
	// GIVEN
	orm := simpleorm.NewORM(TestWithCompositePk{})
	// WHEN
	ddl, err := orm.CreateSchema()
	// THEN
	if err != nil {
		log.LogError("Failed to parse schema! %s", err)
		t.Fail()
	}

	expectedDdl := "CREATE TABLE IF NOT EXISTS TEST_WITH_COMPOSITE_PK (ID INTEGER NOT NULL, NAME TEXT NOT NULL, CONSTRAINT pk_test_with_composite_pk PRIMARY KEY(ID, NAME));"
	if ddl != expectedDdl {
		log.LogError("Incorrect DDL.\nExpected\n%s\nActual\n%s", expectedDdl, ddl)
		log.LogError("\nExpected size: %s\nActual size: %s", strconv.Itoa(len(expectedDdl)), strconv.Itoa(len(ddl)))
		t.Fail()
	}
}

func TestParseCompositeFk(t *testing.T) {
	// GIVEN
	orm := simpleorm.NewORM(TestWithCompositePk{}, TestWithCompositeFk{})
	// WHEN
	ddl, err := orm.CreateSchema()
	// THEN
	if err != nil {
		log.LogError("Failed to parse schema! %s", err)
		t.Fail()
	}

	expectedDdl :=
		"CREATE TABLE IF NOT EXISTS TEST_WITH_COMPOSITE_PK (ID INTEGER NOT NULL, NAME TEXT NOT NULL, CONSTRAINT pk_test_with_composite_pk PRIMARY KEY(ID, NAME));\n" +
			"CREATE TABLE IF NOT EXISTS TEST_WITH_COMPOSITE_FK (ID INTEGER NOT NULL, COMPOSITE_FK_ID INTEGER NOT NULL, COMPOSITE_FK_NAME TEXT NOT NULL, CONSTRAINT pk_test_with_composite_fk PRIMARY KEY(ID), CONSTRAINT fk_test_with_composite_pk FOREIGN KEY(COMPOSITE_FK_ID, COMPOSITE_FK_NAME) REFERENCES TEST_WITH_COMPOSITE_PK(ID, NAME));"
	if ddl != expectedDdl {
		log.LogError("Incorrect DDL.\nExpected\n%s\nActual\n%s", expectedDdl, ddl)
		log.LogError("\nExpected size: %s\nActual size: %s", strconv.Itoa(len(expectedDdl)), strconv.Itoa(len(ddl)))
		t.Fail()
	}
}