using Microsoft.Extensions.Logging;
using SmartCode.Configuration;
using SmartCode.Generator.Entity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SmartCode.Generator.BuildTasks
{
 public abstract class AbstractDbBuildTask : IBuildTask
 {
 private readonly ILogger _logger;

 public AbstractDbBuildTask(string name, ILogger logger)
 {
 Name = name;
 _logger = logger;
 }

 public bool Initialized { get; protected set; }

 public string Name { get; protected set; }

 public abstract Task Build(BuildContext context);

 public virtual void Initialize(IDictionary<string, object> parameters)
 {
 this.Initialized = true;
 }

 protected IList<Table> FilterTable(IEnumerable<Table> tables, string buildKey, Build build)
 {
 _logger.LogInformation($"FilterTable Build:{buildKey} Start!");
 IEnumerable<Table> buildTables = CopyTables(tables);
 if (build.IgnoreNoPKTable.HasValue && build.IgnoreNoPKTable.Value)
 {
 _logger.LogInformation($"FilterTable Build:{buildKey} IgnoreNoPKTable!");
 buildTables = buildTables.Where(m => m.PKColumn != null);
 }

 if (build.IgnoreView.HasValue && build.IgnoreView.Value)
 {
 _logger.LogInformation($"FilterTable Build:{buildKey} IgnoreView!");
 buildTables = buildTables.Where(m => m.Type != Table.TableType.View);
 }

 if (build.IgnoreTables != null)
 {
 _logger.LogInformation(
 $"FilterTable Build:{buildKey} IgnoreTables: [{String.Join(",", build.IgnoreTables)}]!");
 buildTables = buildTables.Where(m => !build.IgnoreTables.Contains(m.Name));
 }

 if (build.IncludeTables != null)
 {
 _logger.LogInformation(
 $"FilterTable Build:{buildKey} IncludeTables: [{String.Join(",", build.IncludeTables)}]!");
 buildTables = buildTables.Where(m => build.IncludeTables.Contains(m.Name));
 }

 _logger.LogInformation($"FilterTable Build:{buildKey} End!");
 return buildTables.ToList();
 }

 protected IList<Table> CopyTables(IEnumerable<Table> tables)
 {
 return tables.Select(m => new Table
 {
 Id = m.Id,
 Name = m.Name,
 TypeName = m.TypeName,
 ConvertedName = m.ConvertedName,
 Description = m.Description,
 Columns = m.Columns.Select(c => new Column
 {
 Id = c.Id,
 Name = c.Name,
 DbType = c.DbType,
 Description = c.Description,
 AutoIncrement = c.AutoIncrement,
 ConvertedName = c.ConvertedName,
 IsNullable = c.IsNullable,
 IsPrimaryKey = c.IsPrimaryKey,
 LanguageType = c.LanguageType,
 DataLength = c.DataLength
 }).ToList()
 }).ToList();
 }
 }
}