package com.example.stepdrink.data.local.dao

import androidx.room.*
import com.example.stepdrink.data.local.entity.WaterRecord
import kotlinx.coroutines.flow.Flow

@Dao
interface WaterDao {

    /**
     * Insert new water record
     */
    @Insert(onConflict = OnConflictStrategy.REPLACE)
    suspend fun insertWater(waterRecord: WaterRecord)

    /**
     * Delete water record
     */
    @Delete
    suspend fun deleteWater(waterRecord: WaterRecord)

    /**
     * Get all water records for a specific date
     */
    @Query("SELECT * FROM water_records WHERE date = :date ORDER BY timestamp DESC")
    fun getWaterByDate(date: String): Flow<List<WaterRecord>>

    /**
     * Get last 7 days water records
     */
    @Query("SELECT * FROM water_records ORDER BY date DESC, timestamp DESC LIMIT 50")
    fun getLast7DaysWater(): Flow<List<WaterRecord>>

    /**
     * Get all water records (for backup/export)
     */
    @Query("SELECT * FROM water_records ORDER BY date DESC, timestamp DESC")
    fun getAllWater(): Flow<List<WaterRecord>>

    /**
     * Delete all water records (for reset)
     */
    @Query("DELETE FROM water_records")
    suspend fun deleteAllWater()
}