1 files changed, 118 insertions, 0 deletions
diff --git a/src/Enmarcha.Backend/ViewModels/AlertFormViewModel.cs b/src/Enmarcha.Backend/ViewModels/AlertFormViewModel.cs
new file mode 100644
index 0000000..e1e068e
--- /dev/null
+++ b/src/Enmarcha.Backend/ViewModels/AlertFormViewModel.cs
@@ -0,0 +1,118 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Enmarcha.Backend.Data.Models;
+
+namespace Enmarcha.Backend.ViewModels;
+
+public class AlertFormViewModel
+{
+    public string? Id { get; set; }
+
+    [Display(Name = "Título")]
+    public string HeaderEs { get; set; } = "";
+
+    [Display(Name = "Descripción")]
+    public string DescriptionEs { get; set; } = "";
+
+    [Display(Name = "Selectores (uno por línea)")]
+    public string SelectorsRaw { get; set; } = "";
+
+    [Display(Name = "URLs de información (una por línea)")]
+    public string InfoUrlsRaw { get; set; } = "";
+
+    [Display(Name = "Causa")]
+    public AlertCause Cause { get; set; } = AlertCause.OtherCause;
+
+    [Display(Name = "Efecto")]
+    public AlertEffect Effect { get; set; } = AlertEffect.OtherEffect;
+
+    [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
+    [Display(Name = "Publicar desde")]
+    public DateTime PublishDate { get; set; } = ToMadrid(DateTime.UtcNow);
+
+    [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
+    [Display(Name = "Inicio del evento")]
+    public DateTime EventStartDate { get; set; } = ToMadrid(DateTime.UtcNow);
+
+    [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
+    [Display(Name = "Fin del evento")]
+    public DateTime EventEndDate { get; set; } = ToMadrid(DateTime.UtcNow.AddDays(1));
+
+    [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
+    [Display(Name = "Ocultar desde")]
+    public DateTime HiddenDate { get; set; } = ToMadrid(DateTime.UtcNow.AddDays(7));
+
+    public ServiceAlert ToServiceAlert() => new()
+    {
+        Id = Guid.NewGuid().ToString("N"),
+        Header = ParseTranslated(HeaderEs),
+        Description = ParseTranslated(DescriptionEs),
+        Selectors = ParseSelectors(),
+        InfoUrls = ParseLines(InfoUrlsRaw),
+        Cause = Cause,
+        Effect = Effect,
+        InsertedDate = DateTime.UtcNow,
+        PublishDate = ToUtc(PublishDate),
+        EventStartDate = ToUtc(EventStartDate),
+        EventEndDate = ToUtc(EventEndDate),
+        HiddenDate = ToUtc(HiddenDate),
+    };
+
+    public void ApplyTo(ServiceAlert alert)
+    {
+        alert.Header = ParseTranslated(HeaderEs);
+        alert.Description = ParseTranslated(DescriptionEs);
+        alert.Selectors = ParseSelectors();
+        alert.InfoUrls = ParseLines(InfoUrlsRaw);
+        alert.Cause = Cause;
+        alert.Effect = Effect;
+        alert.PublishDate = ToUtc(PublishDate);
+        alert.EventStartDate = ToUtc(EventStartDate);
+        alert.EventEndDate = ToUtc(EventEndDate);
+        alert.HiddenDate = ToUtc(HiddenDate);
+    }
+
+    public static AlertFormViewModel FromServiceAlert(ServiceAlert alert) => new()
+    {
+        Id = alert.Id,
+        HeaderEs = alert.Header.GetValueOrDefault("es") ?? "",
+        DescriptionEs = alert.Description.GetValueOrDefault("es") ?? "",
+        SelectorsRaw = string.Join('\n', alert.Selectors.Select(s => s.Raw)),
+        InfoUrlsRaw = string.Join('\n', alert.InfoUrls),
+        Cause = alert.Cause,
+        Effect = alert.Effect,
+        PublishDate = ToMadrid(alert.PublishDate),
+        EventStartDate = ToMadrid(alert.EventStartDate),
+        EventEndDate = ToMadrid(alert.EventEndDate),
+        HiddenDate = ToMadrid(alert.HiddenDate),
+    };
+
+    private static TranslatedString ParseTranslated(string es)
+    {
+        var dict = new TranslatedString();
+        if (!string.IsNullOrWhiteSpace(es)) dict["es"] = es.Trim();
+        return dict;
+    }
+
+    private List<AlertSelector> ParseSelectors() =>
+        ParseLines(SelectorsRaw)
+            .Where(s => s.Contains('#'))
+            .Select(s => new AlertSelector { Raw = s })
+            .ToList();
+
+    private static List<string> ParseLines(string raw) =>
+        raw.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
+            .Where(s => !string.IsNullOrWhiteSpace(s))
+            .ToList();
+
+    private static readonly TimeZoneInfo MadridTz =
+        TimeZoneInfo.FindSystemTimeZoneById("Europe/Madrid");
+
+    // Form input is "Unspecified" (local Madrid time) → convert to UTC for storage
+    private static DateTime ToUtc(DateTime dt) =>
+        TimeZoneInfo.ConvertTimeToUtc(DateTime.SpecifyKind(dt, DateTimeKind.Unspecified), MadridTz);
+
+    // UTC from DB → Madrid local time for display in datetime-local inputs
+    private static DateTime ToMadrid(DateTime utcDt) =>
+        TimeZoneInfo.ConvertTimeFromUtc(DateTime.SpecifyKind(utcDt, DateTimeKind.Utc), MadridTz);
+}