using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using PlotLine.Services;
using PlotLine.ViewModels;

namespace PlotLine.Controllers;

[Authorize(Policy = "AdminOnly")]
[Route("Development")]
public sealed class DevelopmentController(
    IWebHostEnvironment environment,
    ICurrentUserService currentUser,
    IIllustrationLibraryService illustrationLibrary,
    IStoryIntelligenceVisualisationSnapshotService snapshots) : Controller
{
    [HttpGet("StoryIntelligenceExperience")]
    public async Task<IActionResult> StoryIntelligenceExperience([FromQuery] string? mode, [FromQuery] int? importSessionId, [FromQuery] int? runId)
    {
        if (!environment.IsDevelopment())
        {
            return NotFound();
        }

        if (!string.Equals(mode, "simulation", StringComparison.OrdinalIgnoreCase) && importSessionId.HasValue && currentUser.UserId is int userId)
        {
            var realModel = await snapshots.BuildImportSessionSnapshotAsync(importSessionId.Value, userId);
            if (realModel is null)
            {
                return NotFound();
            }

            return View(realModel);
        }

        if (!string.Equals(mode, "simulation", StringComparison.OrdinalIgnoreCase) && runId.HasValue && currentUser.UserId is int legacyUserId)
        {
            var realModel = await snapshots.BuildSnapshotAsync(runId.Value, legacyUserId);
            if (realModel is null)
            {
                return NotFound();
            }

            return View(realModel);
        }

        var model = StoryIntelligenceExperiencePrototypeData.Build();
        await illustrationLibrary.ApplyApprovedIllustrationsAsync(model);
        if (!string.Equals(mode, "simulation", StringComparison.OrdinalIgnoreCase) && currentUser.UserId is int selectorUserId)
        {
            model = new StoryIntelligenceExperiencePrototypeViewModel
            {
                Mode = "selector",
                AvailableRuns = await snapshots.ListImportSessionOptionsAsync(selectorUserId),
                ProjectName = model.ProjectName,
                BookTitle = model.BookTitle,
                Scenes = model.Scenes,
                SnapshotMessage = "Choose a Story Intelligence import session, or open simulation mode."
            };
        }

        return View(model);
    }
}