using Microsoft.AspNetCore.Http;
using PlotLine.Models;

namespace PlotLine.ViewModels;

public sealed class ImportIndexViewModel
{
    public string JsonText { get; set; } = string.Empty;
    public IFormFile? JsonFile { get; set; }
    public bool AllowDuplicateProjectTitle { get; set; }
    public bool ConfirmImport { get; set; }
    public bool AcknowledgeWarnings { get; set; }
    public ImportPreview? Preview { get; set; }
    public string? StatusMessage { get; set; }
    public string? TechnicalDetail { get; set; }
    public bool CanImport => Preview is { Validation.IsValid: true }
        && (!Preview.Validation.Warnings.Any() || AcknowledgeWarnings)
        && (!Preview.HasDuplicateProjectTitle || AllowDuplicateProjectTitle)
        && ConfirmImport;

    public static string SampleJson => """
    {
      "packageVersion": "1.0",
      "source": "JSON Import Phase 1B sample",
      "project": {
        "title": "The Glass Meridian",
        "description": "A placeholder two-book fantasy outline.",
        "notes": "Imported sample data for testing."
      },
      "books": [
        {
          "title": "Book One",
          "subtitle": "The Map Beneath the City",
          "seriesOrder": 1,
          "dependsOnPreviousBook": false,
          "description": "The opening movement of the story.",
          "notes": "Keep this book focused on discovery.",
          "chapters": [
            {
              "chapterNumber": 1,
              "title": "A Door in the Rain",
              "order": 1,
              "summary": "The protagonist finds a hidden route under the old district.",
              "notes": "Establish the central mystery.",
              "scenes": [
                {
                  "sceneNumber": 1,
                  "title": "The Locked Arcade",
                  "order": 1,
                  "summary": "A late delivery leads to an impossible doorway.",
                  "povCharacterName": "Mara",
                  "locationName": "Old Arcade",
                  "dateTimeText": "Rainy evening",
                  "purposeText": "Introduce the mystery",
                  "outcomeText": "Mara keeps the brass key",
                  "notes": "Quiet, tense opening."
                },
                {
                  "sceneNumber": 2,
                  "title": "Footsteps Below",
                  "order": 2,
                  "summary": "Mara hears someone moving beneath the street.",
                  "povCharacterName": "Mara",
                  "locationName": "Service stair",
                  "dateTimeText": "Same evening",
                  "purposeText": "Escalate the discovery",
                  "outcomeText": "She chooses to descend",
                  "notes": "End on a decision."
                }
              ]
            },
            {
              "chapterNumber": 2,
              "title": "The Lantern Court",
              "order": 2,
              "summary": "The hidden route opens into a forgotten civic space.",
              "notes": "Add wonder, but keep danger near.",
              "scenes": [
                {
                  "sceneNumber": 1,
                  "title": "A City Under Glass",
                  "order": 1,
                  "summary": "Mara sees the underground court for the first time.",
                  "povCharacterName": "Mara",
                  "locationName": "Lantern Court",
                  "dateTimeText": "Later that night",
                  "purposeText": "Reveal the hidden setting",
                  "outcomeText": "Mara realizes the map is incomplete",
                  "notes": "Use strong visual contrast."
                },
                {
                  "sceneNumber": 2,
                  "title": "The Watchman's Offer",
                  "order": 2,
                  "summary": "A stranger offers help at a cost.",
                  "povCharacterName": "Mara",
                  "locationName": "Lantern Court",
                  "dateTimeText": "Later that night",
                  "purposeText": "Introduce an uneasy ally",
                  "outcomeText": "Mara accepts a temporary guide",
                  "notes": "Trust should feel provisional."
                }
              ]
            }
          ]
        },
        {
          "title": "Book Two",
          "subtitle": "The Clockwork Shore",
          "seriesOrder": 2,
          "dependsOnPreviousBook": true,
          "description": "The story widens beyond the city.",
          "notes": "Seed consequences from book one.",
          "chapters": [
            {
              "chapterNumber": 1,
              "title": "Tide Tables",
              "order": 1,
              "summary": "The route points toward a mechanical coastline.",
              "notes": "Reorient the cast after the first book.",
              "scenes": [
                {
                  "sceneNumber": 1,
                  "title": "Departure Bell",
                  "order": 1,
                  "summary": "The expedition leaves before dawn.",
                  "povCharacterName": "Ilen",
                  "locationName": "East Station",
                  "dateTimeText": "Early morning",
                  "purposeText": "Start the next journey",
                  "outcomeText": "The group leaves the city",
                  "notes": "Keep momentum high."
                },
                {
                  "sceneNumber": 2,
                  "title": "Salt in the Gears",
                  "order": 2,
                  "summary": "The first coastal machine fails in a revealing way.",
                  "povCharacterName": "Ilen",
                  "locationName": "Clockwork Shore",
                  "dateTimeText": "Midday",
                  "purposeText": "Show the new world's rules",
                  "outcomeText": "They find a damaged signal plate",
                  "notes": "Make the mechanism readable."
                }
              ]
            },
            {
              "chapterNumber": 2,
              "title": "The Signal Plate",
              "order": 2,
              "summary": "The signal points to a rival expedition.",
              "notes": "Bring in pressure from outside the group.",
              "scenes": [
                {
                  "sceneNumber": 1,
                  "title": "A Message in Brass",
                  "order": 1,
                  "summary": "The plate reveals a warning.",
                  "povCharacterName": "Mara",
                  "locationName": "Shore workshop",
                  "dateTimeText": "Afternoon",
                  "purposeText": "Translate the clue",
                  "outcomeText": "The warning names a missing captain",
                  "notes": "Make the clue actionable."
                },
                {
                  "sceneNumber": 2,
                  "title": "Smoke on the Causeway",
                  "order": 2,
                  "summary": "A rival camp appears across the water.",
                  "povCharacterName": "Mara",
                  "locationName": "Tidal causeway",
                  "dateTimeText": "Sunset",
                  "purposeText": "Introduce opposition",
                  "outcomeText": "The group prepares to cross",
                  "notes": "End with forward motion."
                }
              ]
            }
          ]
        }
      ]
    }
    """;
}