import { Card, CardContent, Badge } from "poyraz-ui/atoms";
import { CheckCircle2, Clock, CalendarDays, KanbanSquare } from "lucide-react";
import { formatDate } from "@/lib/i18n/format";
import { getSqliteConnection } from "@/server/db/client";
import { ContentTranslationService, getContentFallbackLocale } from "@/server/i18n/content";
import { resolvePortalLocale } from "@/server/i18n/resolver";
import { createTranslator } from "@/server/i18n/translator";
import { requirePortalBackend } from "@/server/web/portal";

export default async function PortalTasksPage() {
  const locale = await resolvePortalLocale();
  const t = createTranslator(locale.locale, ["portal"]).t;
  const { actor, service } = await requirePortalBackend();
  const content = new ContentTranslationService(getSqliteConnection().db);
  const localization = content.getPublicLocalizationContext();
  const fallbackLocale = getContentFallbackLocale(locale.locale, localization);
  const projectRows = service.listProjects(actor);
  const projectTranslations = content.listBatch("project", projectRows.map((project) => project.id));
  const projects = projectRows.map((project) => content.resolveEntity("project", project, {
    locale: locale.locale,
    fallbackLocale,
    defaultLocale: locale.defaultLocale,
    translations: projectTranslations.get(project.id) ?? [],
  }));
  const projectNames = new Map(projects.map((project) => [project.id, project.name]));
  const taskRows = service.listTasks(actor)
    .filter((task) => task.projectId && projectNames.has(task.projectId) && task.status !== "cancelled")
    .sort((a, b) => b.createdAt.getTime() - a.createdAt.getTime());
  const taskTranslations = content.listBatch("task", taskRows.map((task) => task.id));
  const tasks = taskRows.map((task) => content.resolveEntity("task", task, {
    locale: locale.locale,
    fallbackLocale,
    defaultLocale: locale.defaultLocale,
    translations: taskTranslations.get(task.id) ?? [],
  }));

  return (
    <div className="mx-auto flex max-w-7xl flex-col gap-8 animate-in fade-in slide-in-from-bottom-4 duration-500">
      <div className="flex flex-col gap-2">
        <h1 className="text-3xl font-semibold tracking-tight">{t("portal.tasks.title")}</h1>
      </div>

      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-3">
        {tasks.length === 0 ? (
          <div className="col-span-full py-10 text-center border rounded-lg border-dashed text-muted-foreground flex flex-col items-center gap-3">
            <KanbanSquare className="w-10 h-10 text-muted-foreground/50" />
            {t("portal.tasks.empty")}
          </div>
        ) : tasks.map((task) => {
          const isDone = task.status === "done";
          const date = task.dueAt?.toISOString() ?? task.scheduledDate;
          return (
            <Card key={task.id} className="h-full">
              <CardContent className="p-5 flex flex-col h-full justify-between gap-4">
                <div className="space-y-3">
                  <div className="flex items-start justify-between gap-2">
                    <h3 className={isDone ? "font-semibold text-lg line-through text-muted-foreground line-clamp-2" : "font-semibold text-lg line-clamp-2"}>
                      {task.title}
                    </h3>
                    <Badge variant={isDone ? "secondary" : "outline"} className="capitalize shrink-0">
                      {task.status === "todo" ? t("portal.status.task.todo") : task.status === "in_progress" ? t("portal.status.task.inProgress") : t("portal.status.task.done")}
                    </Badge>
                  </div>
                  <div className="flex items-center gap-2 text-sm text-muted-foreground bg-muted/30 p-2 rounded-md">
                    <span className="font-medium truncate">{projectNames.get(task.projectId!)}</span>
                  </div>
                  {task.description ? (
                    <p className="line-clamp-3 text-sm text-muted-foreground">{task.description}</p>
                  ) : null}
                </div>
                <div className="flex items-center justify-between text-sm text-muted-foreground border-t border-border pt-4">
                  <div className="flex items-center gap-1.5">
                    <CalendarDays className="h-4 w-4" />
                    <span>{date ? formatDate(date, locale.locale) : t("portal.labels.noDate")}</span>
                  </div>
                  {isDone ? <CheckCircle2 className="h-4 w-4 text-emerald-500" /> : <Clock className="h-4 w-4" />}
                </div>
              </CardContent>
            </Card>
          );
        })}
      </div>
    </div>
  );
}