type QuestStatus = "locked" | "available" | "completed";

type QuestType =
  | "standard" // Regular trader quests
  | "pvp_zone" // PVP Zone quests (Arena)
  | "reputation" // Fence reputation repair
  | "lightkeeper" // Lightkeeper questline
  | "faction_bear" // BEAR-only quests
  | "faction_usec" // USEC-only quests
  | "story" // Main story quests (1.0)
  | "prestige"; // Prestige quests (require The Collector)

type RequirementStatusType = "complete" | "active" | "failed";

// Quest A requires Quest B to be completed
{ requiredQuest: questB, requirementStatus: ["complete"] }

// Quest A requires Quest B to be active OR completed
{ requiredQuest: questB, requirementStatus: ["active", "complete"] }

// Filter for Kappa-required quests only
const kappaQuests = quests.filter((q) => q.kappaRequired);

// Calculate Kappa progress
const completed = kappaQuests.filter((q) => q.computedStatus === "completed");
const progress = (completed.length / kappaQuests.length) * 100;

interface Quest {
  id: string;
  title: string;
  wikiLink: string | null;
  levelRequired: number;
  kappaRequired: boolean;
  questType: QuestType;
  factionName: string | null; // "BEAR" | "USEC" | null
  traderId: string;
  trader: Trader;
  objectives: Objective[];
  dependsOn: QuestDependency[];
  dependedOnBy: QuestDependent[];
}

interface QuestWithProgress extends Quest {
  progress: QuestProgress | null;
  computedStatus: QuestStatus; // Calculated based on dependencies
}

query {
  tasks {
    id
    name
    wikiLink
    minPlayerLevel
    kappaRequired
    taskRequirements {
      task {
        id
      }
      status
    }
    trader {
      id
      name
    }
  }
}

const statusColors = {
  locked: "gray",
  available: "cyan",
  completed: "green",
};

await updateQuestProgress({
  questId: quest.id,
  status: "completed",
  completedAt: new Date(),
});

const nextQuests = quests.filter(
  (q) => q.computedStatus === "available" && q.levelRequired <= playerLevel
);

function getDependencyChain(quest: Quest): Quest[] {
  const chain: Quest[] = [quest];
  for (const dep of quest.dependsOn) {
    chain.push(...getDependencyChain(dep.requiredQuest));
  }
  return chain;
}