postgres-json/src/test/kotlin/fr/postgresjson/ConnectionTest.kt

package fr.postgresjson

import fr.postgresjson.connexion.Paginated
import fr.postgresjson.entity.Parameter
import fr.postgresjson.entity.UuidEntity
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNotNull
import org.junit.Assert.assertTrue
import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import java.util.UUID

@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class ConnectionTest() : TestAbstract() {
    private class ObjTest(val name: String, id: UUID = UUID.fromString("2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00")) : UuidEntity(id)
    private class ObjTest2(val title: String, var test: ObjTest?) : UuidEntity()
    private class ObjTest3(val first: String, var seconde: String, var third: Int) : UuidEntity()
    private class ObjTestWithParameterObject(var first: ParameterObject, var seconde: ParameterObject) : UuidEntity()
    private class ParameterObject(var third: String) : Parameter

    @Test
    fun getObject() {
        val obj: ObjTest? = connection.selectOne("select to_json(a) from test a limit 1")
        assertTrue(obj is ObjTest)
        assertTrue(obj!!.id == UUID.fromString("1e5f5d41-6d14-4007-897b-0ed2616bec96"))
    }

    @Test
    fun getExistingObject() {
        val objs: List<ObjTest2> = connection.select(
            """
            select
                json_agg(j)
                FROM (
                SELECT
                    t.id, t.title,
                    t2 as test
                from test2 t
                JOIN test t2 ON t.test_id = t2.id
            ) j;
            """.trimIndent()
        )
        assertNotNull(objs)
        assertEquals(objs.size, 2)
        assertEquals(objs[0].id, UUID.fromString("1e5f5d41-6d14-4007-897b-0ed2616bec96"))
        assertEquals(objs[0].test!!.id, UUID.fromString("1e5f5d41-6d14-4007-897b-0ed2616bec96"))
    }

    @Test
    fun callRequestWithArgs() {
        val result: ObjTest? = connection.selectOne("select json_build_object('id', '2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00', 'name', ?::text)", listOf("myName"))
        assertNotNull(result)
        assertEquals("myName", result!!.name)
    }

    @Test
    fun callRequestWithArgsEntity() {
        val o = ObjTest("myName", id = UUID.fromString("2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00"))
        val obj: ObjTest? = connection.selectOne("select json_build_object('id', id, 'name', name) FROM json_to_record(?::json) as o(id uuid, name text);", listOf(o))
        assertNotNull(obj)
        assertTrue(obj is ObjTest)
        assertEquals(obj!!.id, UUID.fromString("2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00"))
        assertEquals(obj.name, "myName")
    }

    @Test
    fun callExec() {
        val o = ObjTest("myName")
        val result = connection.exec("select json_build_object('id', '2c0243ed-ff4d-4b9f-a52b-e38c71b0ed00', 'name', ?::json->>'name')", listOf(o))
        Assertions.assertEquals(1, result.rowsAffected)
    }

    @Test
    fun `select one with named parameters`() {
        val result: ObjTest3? = connection.selectOne(
            "SELECT json_build_object('first', :first::text, 'seconde', :seconde::text, 'third', :third::int)",
            mapOf(
                "first" to "ff",
                "seconde" to "sec",
                "third" to 123
            )
        )
        assertEquals(result!!.first, "ff")
        assertEquals(result.seconde, "sec")
        assertEquals(result.third, 123)
    }

    @Test
    fun `select one with named parameters object`() {
        val result: ObjTestWithParameterObject? = connection.selectOne(
            "SELECT json_build_object('first', :first::json, 'seconde', :seconde::json)",
            mapOf(
                "first" to ParameterObject("one"),
                "seconde" to ParameterObject("two")
            )
        )
        assertEquals("one", result!!.first.third)
        assertEquals("two", result.seconde.third)
    }

    @Test
    fun `select with named parameters`() {
        val params: Map<String, Any?> = mapOf(
            "first" to "ff",
            "third" to 123,
            "seconde" to "sec"
        )
        val result: List<ObjTest3> = connection.select(
            """
            SELECT json_build_array(
                json_build_object('first', :first::text, 'seconde', :seconde::text, 'third', :third::int),
                json_build_object('first', :first::text, 'seconde', :seconde::text, 'third', :third::int)
            )
            """.trimIndent(),
            params
        )
        assertEquals(result[0].first, "ff")
        assertEquals(result[0].seconde, "sec")
        assertEquals(result[0].third, 123)
    }

    @Test
    fun `selectOne with named parameters`() {
        val params: Map<String, Any?> = mapOf(
            "first" to "ff",
            "third" to 123,
            "seconde" to "sec"
        )
        val result: ObjTest3? = connection.selectOne(
            """
            SELECT json_build_object('first', :first::text, 'seconde', :seconde::text, 'third', :third::int)
            """.trimIndent(),
            params
        )
        assertNotNull(result)
        assertEquals(result!!.first, "ff")
        assertEquals(result.seconde, "sec")
        assertEquals(result.third, 123)
    }

    @Test
    fun `select paginated`() {
        val result: Paginated<ObjTest> = connection.select(
            """
            SELECT json_build_array(
                json_build_object('id', '417aaa7e-7bc6-49b7-9fe8-6c8433b3f430', 'name', :name::text),
                json_build_object('id', 'abd46e7a-e749-4ce4-8361-e7b64da89da6', 'name', :name::text || '-2')
            ), 10 as total
            LIMIT :limit OFFSET :offset
            """.trimIndent(),
            1,
            2,
            mapOf("name" to "ff")

        )
        assertNotNull(result)
        assertEquals(result.result[0].name, "ff")
        assertEquals(result.result[1].name, "ff-2")
        assertEquals(result.total, 10)
        assertEquals(result.offset, 0)
    }

    @Test
    fun `selectOne with extra parameters`() {
        val params: Map<String, Any?> = mapOf(
            "first" to "ff",
            "third" to 123,
            "seconde" to "sec"
        )
        val result: ObjTest3? = connection.selectOne(
            """
            SELECT json_build_object('first', :first::text, 'seconde', :seconde::text, 'third', :third::int), 'plop'::text as other
            """.trimIndent(),
            params
        ) {
            assertEquals("ff", it!!.first)
            assertEquals("plop", rows[0].getString("other"))
        }
        assertNotNull(result)
        assertEquals("ff", result!!.first)
        assertEquals("sec", result.seconde)
        assertEquals(123, result.third)
    }
}