import model.AppConfig
import org.jetbrains.exposed.sql.*
import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
import org.jetbrains.exposed.sql.javatime.datetime
import org.jetbrains.exposed.sql.transactions.transaction
import java.io.File
import java.time.LocalDateTime

// 1. 앱 설정 테이블
object ConfigTable : Table("app_config") {
    val id = integer("id").autoIncrement()
    val realAppKey = varchar("real_app_key", 255).default("")
    val realSecretKey = varchar("real_secret_key", 255).default("")
    val realAccountNo = varchar("real_account_no", 20).default("")
    val vtsAppKey = varchar("vts_app_key", 255).default("")
    val vtsSecretKey = varchar("vts_secret_key", 255).default("")
    val vtsAccountNo = varchar("vts_account_no", 20).default("")
    val isSimulation = bool("is_simulation").default(true)
    val modelPath = varchar("model_path", 512).default("")
    val htsId = varchar("hts_id", 50).default("") // HTS ID 컬럼 추가
    override val primaryKey = PrimaryKey(id)
}

// 2. 자동매매 감시 테이블
object AutoTradeTable : Table("auto_trades") {
    val id = integer("id").autoIncrement()
    val stockCode = varchar("stock_code", 20)
    val stockName = varchar("stock_name", 100)
    val targetPrice = double("target_price")       // 익절 목표가
    val stopLossPrice = double("stop_loss_price")  // 손절 목표가
    val status = varchar("status", 20).default("MONITORING") // MONITORING, COMPLETED
    val isDomestic = bool("is_domestic").default(true)
    override val primaryKey = PrimaryKey(id)
}

// 3. 거래 내역 테이블
object TradeLogTable : Table("trade_logs") {
    val id = long("id").autoIncrement()
    val stockCode = varchar("stock_code", 20)
    val stockName = varchar("stock_name", 50)
    val tradeType = varchar("trade_type", 10)
    val price = double("price")
    val quantity = integer("quantity")
    val timestamp = datetime("timestamp")
    val logMessage = text("log_message")
    override val primaryKey = PrimaryKey(id)
}

object DatabaseFactory {
    fun init() {
        val dbPath = File("db/autotrade_db").absolutePath
        Database.connect(
            "jdbc:h2:$dbPath;DB_CLOSE_DELAY=-1;",
            driver = "org.h2.Driver"
        )

        transaction {
            // 테이블 생성 (AutoTradeTable 포함)
            SchemaUtils.create(ConfigTable, TradeLogTable, AutoTradeTable)
        }
    }

    // --- 자동매매(감시) 관련 함수 ---

    /**
     * [추가] 종목코드로 현재 감시 중인 설정 가져오기 (웹소켓 감시용)
     */
    fun findConfigByCode(code: String): AutoTradeItem? = transaction {
        AutoTradeTable.select {
            (AutoTradeTable.stockCode eq code) and (AutoTradeTable.status eq "MONITORING")
        }.lastOrNull()?.let {
            mapToAutoTradeItem(it)
        }
    }

    /**
     * [추가] 매수 체결 시 새로운 자동매매 감시 대상 등록
     */
    fun saveAutoTrade(item: AutoTradeItem) {
        transaction {
            // 동일 종목이 이미 감시 중이면 삭제 후 재등록 (중복 방지)
            AutoTradeTable.deleteWhere { stockCode eq item.code }

            AutoTradeTable.insert {
                it[stockCode] = item.code
                it[stockName] = item.name
                it[targetPrice] = item.targetPrice
                it[stopLossPrice] = item.stopLossPrice
                it[status] = "MONITORING"
                it[isDomestic] = item.isDomestic
            }
        }
    }

    /**
     * [추가] 매도 완료 또는 취소 시 감시 대상 삭제
     */
    fun deleteAutoTrade(code: String) {
        transaction {
            AutoTradeTable.deleteWhere { stockCode eq code }
        }
    }

    /**
     * [수정] 감시 중인 모든 종목 리스트 반환 (ActiveTradeSection UI용)
     */
    fun getActiveAutoTrades(): List<AutoTradeItem> = transaction {
        AutoTradeTable.select { AutoTradeTable.status eq "MONITORING" }
            .map { mapToAutoTradeItem(it) }
    }

    // ResultRow를 AutoTradeItem으로 매핑하는 내부 함수
    private fun mapToAutoTradeItem(it: ResultRow) = AutoTradeItem(
        code = it[AutoTradeTable.stockCode],
        name = it[AutoTradeTable.stockName],
        targetPrice = it[AutoTradeTable.targetPrice],
        stopLossPrice = it[AutoTradeTable.stopLossPrice],
        status = it[AutoTradeTable.status],
        isDomestic = it[AutoTradeTable.isDomestic]
    )

    // --- 기존 설정 및 로그 관련 함수 ---

    fun saveTradeLog(code: String, name: String, type: String, price: Double, qty: Int, msg: String) {
        transaction {
            TradeLogTable.insert {
                it[stockCode] = code
                it[stockName] = name
                it[tradeType] = type
                it[TradeLogTable.price] = price
                it[quantity] = qty
                it[timestamp] = LocalDateTime.now()
                it[logMessage] = msg
            }
        }
    }

    fun findConfigByAccount(accountNo: String): AppConfig? = transaction {
        ConfigTable.select {
            (ConfigTable.realAccountNo eq accountNo) or (ConfigTable.vtsAccountNo eq accountNo)
        }.lastOrNull()?.let {
            AppConfig(
                realAppKey = it[ConfigTable.realAppKey],
                realSecretKey = it[ConfigTable.realSecretKey],
                realAccountNo = it[ConfigTable.realAccountNo],
                vtsAppKey = it[ConfigTable.vtsAppKey],
                vtsSecretKey = it[ConfigTable.vtsSecretKey],
                vtsAccountNo = it[ConfigTable.vtsAccountNo],
                isSimulation = it[ConfigTable.isSimulation],
                htsId = it[ConfigTable.htsId], // htsId 로드
                modelPath = it[ConfigTable.modelPath]
            )
        }
    }

    fun saveConfig(config: AppConfig) {
        transaction {
            ConfigTable.deleteAll()
            ConfigTable.insert {
                it[realAppKey] = config.realAppKey
                it[realSecretKey] = config.realSecretKey
                it[vtsAppKey] = config.vtsAppKey
                it[vtsSecretKey] = config.vtsSecretKey
                it[realAccountNo] = config.realAccountNo
                it[vtsAccountNo] = config.vtsAccountNo
                it[isSimulation] = config.isSimulation
                it[htsId] = config.htsId
                it[modelPath] = config.modelPath
            }
        }
    }
}

/**
 * [수정] 감시 가격(익절/손절) 정보를 포함하도록 모델 확장
 */
data class AutoTradeItem(
    val code: String,
    val name: String,
    val targetPrice: Double,
    val stopLossPrice: Double, // 손절가 추가
    val status: String,
    val isDomestic: Boolean
)