using barkmanapi;
using Microsoft.EntityFrameworkCore;
using Microsoft.OpenApi.Models;

var builder = WebApplication.CreateBuilder(args);

var allowSpecificOrigins = "_AllowSpecificOrigins";

builder.Services.AddDbContext<BarkContext>();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddOpenApi("document", c =>
{
    c.AddDocumentTransformer((doc, _, _) =>
    {
        doc.Info.Version = "v1";
        doc.Info.Title = "BarkMan API";
        doc.Info.Description = "BARK BARK WOOF WOOF ARF";
        return Task.CompletedTask;
    });
});

builder.Services.AddCors(options =>
{
    options.AddPolicy(name: allowSpecificOrigins,
        policy =>
        {
            policy.WithOrigins("https://barkdev.ts.drewr.io", "http://localhost:5173").AllowAnyMethod()
                .AllowAnyHeader();
        });
});
builder.Services.AddDbContext<BarkContext>(opt =>
    opt.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")).UseSnakeCaseNamingConvention());

var app = builder.Build();

if (!app.Environment.IsProduction())
{
    app.MapOpenApi();
    app.UseSwaggerUI(c => { c.SwaggerEndpoint("/openapi/document.json", "Bark Productions API V1"); });
}

var inventoryGroup = app.MapGroup(prefix: "/inventory")
    .WithTags("Inventory")
    .WithDescription("Endpoints for managing inventory items");

var itemStatusGroup = app.MapGroup(prefix: "/itemstatus")
    .WithTags("Item Status")
    .WithDescription("Endpoints for managing item status");

inventoryGroup.MapGet("", async (BarkContext db) =>
    await db.Inventory.OrderBy(item => item.Id).ToListAsync());

inventoryGroup.MapGet("/{id}", async (int id, BarkContext db) =>
{
    var item = await db.Inventory
        .Include(item => item.Status)
        .FirstOrDefaultAsync(i => i.Id == id);
    
    if (item == null)
    {
        return Results.NotFound(new { Message = "Inventory item not found" });
    }

    return Results.Ok(item);
});

inventoryGroup.MapPut("/{id}", async (int id, InventoryItems updatedItem, BarkContext db) =>
{
    var existingItem = await db.Inventory.FindAsync(id);
    if (existingItem == null)
    {
        return Results.NotFound(new { Message = "Inventory item not found" });
    }

    existingItem.Name = updatedItem.Name;
    existingItem.Brand = updatedItem.Brand;
    existingItem.SerialNumber = updatedItem.SerialNumber;
    existingItem.Status = updatedItem.Status;
    existingItem.RentalPrice = updatedItem.RentalPrice;
    existingItem.ReplacementCost = updatedItem.ReplacementCost;
    existingItem.Notes = updatedItem.Notes;

    await db.SaveChangesAsync();
    return Results.Ok(existingItem);
});

inventoryGroup.MapPost("", async (InventoryItems newItemInput, BarkContext db) =>
{
    var newItem = new InventoryItems();
    newItemInput.Name = newItem.Name;
    newItem.Brand = newItemInput.Brand;
    newItem.SerialNumber = newItemInput.SerialNumber;
    newItem.RentalPrice = newItemInput.RentalPrice;
    newItem.ReplacementCost = newItemInput.ReplacementCost;
    newItem.StatusId = "ready";

    db.Inventory.Add(newItem);
    await db.SaveChangesAsync();
    return Results.Created($"/inventory/{newItem.Id}", newItem);
});

inventoryGroup.MapDelete("/{id}", async (int id, BarkContext db) =>
{
    var item = await db.Inventory.FindAsync(id);
    if (item == null)
    {
        return Results.NotFound(new { Message = "Inventory item not found" });
    }

    db.Inventory.Remove(item);
    await db.SaveChangesAsync();
    return Results.Ok(new { Message = "Inventory item deleted successfully" });
});

itemStatusGroup.MapGet("/", async (BarkContext db) =>
    await db.ItemStatus.ToListAsync());

itemStatusGroup.MapPost("/", async (ItemStatus newItemStatus, BarkContext db) =>
{
    db.ItemStatus.Add(newItemStatus);
    await db.SaveChangesAsync();
    return Results.Created($"/itemstatus/{newItemStatus.Id}", newItemStatus);
});

itemStatusGroup.MapGet("/{id}", async (string id, BarkContext db) =>
{
    var itemStatus = await db.ItemStatus.FindAsync(id);
    if (itemStatus == null)
    {
        return Results.NotFound(new { Message = "Item Status not found" });
    }

    return Results.Ok(itemStatus);
});

itemStatusGroup.MapPut("/{id}", async (string id, ItemStatus updatedStatus, BarkContext db) =>
{
    var existingStatus = await db.ItemStatus.FindAsync(id);
    if (existingStatus == null)
    {
        return Results.NotFound(new { Message = "Inventory item not found" });
    }

    existingStatus.Id = updatedStatus.Id;
    existingStatus.Name = updatedStatus.Name;

    await db.SaveChangesAsync();
    return Results.Ok(existingStatus);
});

itemStatusGroup.MapDelete("/{id}", async (string id, BarkContext db) =>
{
    var itemStatus = await db.ItemStatus.FindAsync(id);
    if (itemStatus == null)
    {
        return Results.NotFound(new { Message = "Item status not found" });
    }

    db.ItemStatus.Remove(itemStatus);
    await db.SaveChangesAsync();
    return Results.Ok(new { Message = "Item status deleted successfully" });
});

using (var serviceScope = app.Services.CreateScope())
{
    var dbContext = serviceScope.ServiceProvider.GetRequiredService<BarkContext>();
    dbContext.Database.Migrate();
}

app.UseCors(allowSpecificOrigins);

app.Run();