using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;

namespace UnitTestEF.Entities;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Infrastructure;
using Infrastructure.Entities;

[TestClass]
public class FormationTest
{
    [TestMethod]
    public async Task AddFormationTest()
    {
        var connection = new SqliteConnection("DataSource=:memory:");
        connection.Open();
        var options = new DbContextOptionsBuilder<AlumniDbContext>()
            .UseSqlite(connection)
            .Options;
        using (var context = new AlumniDbContext(options))
        {
            context.Database.EnsureDeleted();
            context.Database.EnsureCreated();
            var newFormation = new FormationEntity {
                Id = "100", 
                SchoolName = "IUT", 
                Name = "BUT Informatique",
                StartDate = new DateTime(2020, 9, 1),
                EndDate = new DateTime(2022, 6, 1),
                IsCurrent = true
            };
            await context.Formations.AddAsync(newFormation);
            await context.SaveChangesAsync();
            
            var inBaseFormation = await context.Formations.FirstOrDefaultAsync(f => f.Id == "100");
            Assert.IsNotNull(inBaseFormation);
            Assert.AreEqual("100", inBaseFormation.Id);
            Assert.AreEqual("IUT", inBaseFormation.SchoolName);
            Assert.AreEqual("BUT Informatique", inBaseFormation.Name);
            Assert.AreEqual(new DateTime(2020, 9, 1), inBaseFormation.StartDate);
            Assert.AreEqual(new DateTime(2022, 6, 1), inBaseFormation.EndDate);
            Assert.IsTrue(inBaseFormation.IsCurrent);
            
        }
    }
    
    [TestMethod]
    public async Task DeleteFormationTest()
    {
        var connection = new SqliteConnection("DataSource=:memory:");
        connection.Open();
        var options = new DbContextOptionsBuilder<AlumniDbContext>()
            .UseSqlite(connection)
            .Options;
        using (var context = new AlumniDbContext(options))
        {
            context.Database.EnsureDeleted();
            context.Database.EnsureCreated();
            var newFormation = new FormationEntity {
                Id = "100", 
                SchoolName = "IUT", 
                Name = "BUT Informatique",
                StartDate = new DateTime(2020, 9, 1),
                EndDate = new DateTime(2022, 6, 1),
                IsCurrent = true
            };
            await context.Formations.AddAsync(newFormation);
            await context.SaveChangesAsync();
            
            var inBaseFormation = await context.Formations.FirstOrDefaultAsync(f => f.Id == "100");
            Assert.IsNotNull(inBaseFormation);
            
            context.Formations.Remove(newFormation);
            await context.SaveChangesAsync();
            
            var formationAfterDelete = await context.Formations.FirstOrDefaultAsync(f => f.Id == "100");
            Assert.IsNull(formationAfterDelete);
        }
    }
    
    [TestMethod]
    public async Task UpdateFormationTest()
    {
        var connection = new SqliteConnection("DataSource=:memory:");
        connection.Open();
        var options = new DbContextOptionsBuilder<AlumniDbContext>()
            .UseSqlite(connection)
            .Options;
        using (var context = new AlumniDbContext(options))
        {
            context.Database.EnsureDeleted();
            context.Database.EnsureCreated();
            var newFormation = new FormationEntity {
                Id = "100", 
                SchoolName = "IUT", 
                Name = "BUT Informatique",
                StartDate = new DateTime(2020, 9, 1),
                EndDate = new DateTime(2022, 6, 1),
                IsCurrent = true
            };
            await context.Formations.AddAsync(newFormation);
            await context.SaveChangesAsync();
            
            var inBaseFormation = await context.Formations.FirstOrDefaultAsync(f => f.Id == "100");
            Assert.IsNotNull(inBaseFormation);
            
            inBaseFormation.SchoolName = "IUT2";
            inBaseFormation.Name = "BUT Informatique2";
            inBaseFormation.StartDate = new DateTime(2020, 9, 2);
            inBaseFormation.EndDate = new DateTime(2022, 6, 2);
            inBaseFormation.IsCurrent = false;
            await context.SaveChangesAsync();
            
            var formationAfterUpdate = await context.Formations.FirstOrDefaultAsync(f => f.Id == "100");
            Assert.IsNotNull(formationAfterUpdate);
            Assert.AreEqual("IUT2", formationAfterUpdate.SchoolName);
            Assert.AreEqual("BUT Informatique2", formationAfterUpdate.Name);
            Assert.AreEqual(new DateTime(2020, 9, 2), formationAfterUpdate.StartDate);
            Assert.AreEqual(new DateTime(2022, 6, 2), formationAfterUpdate.EndDate);
            Assert.IsFalse(formationAfterUpdate.IsCurrent);
        }
    }
    
    [TestMethod]
    public void ToString_ReturnsCorrectFormat()
    {
        // Arrange
        var formation = new FormationEntity
        {
            Id = "100",
            SchoolName = "IUT",
            Name = "BUT Informatique",
            StartDate = new DateTime(2020, 9, 1),
            EndDate = new DateTime(2022, 6, 1),
            IsCurrent = true
        };

        // Act
        var result = formation.ToString();

        // Assert
        var expected = "\tFormation : BUT Informatique \tSchool's name : IUT";
        Assert.AreEqual(expected, result);
    }
}