using System;
using System.Collections.Generic;
using System.IO;

using ACE.Database.Models.World;

namespace ACE.Database.SQLFormatters.World
{
    public class EncounterSQLWriter : SQLWriter
    {
        /// <summary>
        /// Default is formed from: input.Landblock.ToString("X4")
        /// </summary>
        public string GetDefaultFileName(Encounter input)
        {
            string fileName = input.Landblock.ToString("X4");
            fileName = IllegalInFileName.Replace(fileName, "_");
            fileName += ".sql";

            return fileName;
        }

        public void CreateSQLDELETEStatement(IList<Encounter> input, StreamWriter writer)
        {
            writer.WriteLine($"DELETE FROM `encounter` WHERE `landblock` = 0x{input[0].Landblock:X4};");
        }

        public void CreateSQLINSERTStatement(IList<Encounter> input, StreamWriter writer)
        {
            writer.WriteLine("INSERT INTO `encounter` (`landblock`, `weenie_Class_Id`, `cell_X`, `cell_Y`, `last_Modified`)");

            var lineGenerator = new Func<int, string>(i =>
            {
                string label = null;

                if (WeenieNames != null)
                    WeenieNames.TryGetValue(input[i].WeenieClassId, out label);

                return $"0x{input[i].Landblock:X4}, {input[i].WeenieClassId}, {input[i].CellX}, {input[i].CellY}, '{input[i].LastModified:yyyy-MM-dd HH:mm:ss}') /* {label} */";
            });

            ValuesWriter(input.Count, lineGenerator, writer);
        }
    }
}