// Centralised status → color/label semantics, reused across the whole app.
// Spec §8.3: 意图 / 覆盖 / 任务 / 严重度 each have a consistent color set.

export type Tone =
  | "neutral"
  | "blue"
  | "green"
  | "amber"
  | "red"
  | "rose"
  | "violet"
  | "slate";

export const toneClasses: Record<Tone, string> = {
  neutral:
    "bg-muted text-muted-foreground border-transparent",
  blue: "bg-blue-500/15 text-blue-600 dark:text-blue-400 border-blue-500/20",
  green:
    "bg-emerald-500/15 text-emerald-600 dark:text-emerald-400 border-emerald-500/20",
  amber:
    "bg-amber-500/15 text-amber-600 dark:text-amber-400 border-amber-500/20",
  red: "bg-red-500/15 text-red-600 dark:text-red-400 border-red-500/20",
  // rose 用作「严重」——实心高强调,视觉上明显高于「高危」的软红描边。
  rose: "bg-rose-600 text-white border-rose-600 dark:bg-rose-600 dark:text-white",
  violet:
    "bg-violet-500/15 text-violet-600 dark:text-violet-400 border-violet-500/20",
  slate:
    "bg-slate-500/15 text-slate-600 dark:text-slate-400 border-slate-500/20",
};

export const toneDot: Record<Tone, string> = {
  neutral: "bg-muted-foreground",
  blue: "bg-blue-500",
  green: "bg-emerald-500",
  amber: "bg-amber-500",
  red: "bg-red-500",
  rose: "bg-white",
  violet: "bg-violet-500",
  slate: "bg-slate-500",
};

interface StatusMeta {
  label: string;
  tone: Tone;
}

const intent: Record<string, StatusMeta> = {
  open: { label: "待领", tone: "slate" },
  running: { label: "执行中", tone: "blue" },
  paused: { label: "已暂停", tone: "amber" },
  done: { label: "已完成", tone: "green" },
  blocked: { label: "被拦截", tone: "red" },
  exhausted: { label: "已穷尽", tone: "violet" },
};

const task: Record<string, StatusMeta> = {
  created: { label: "已创建", tone: "slate" },
  queued: { label: "排队中", tone: "amber" },
  running: { label: "运行中", tone: "blue" },
  paused: { label: "已暂停", tone: "amber" },
  done: { label: "已完成", tone: "green" },
  failed: { label: "失败", tone: "red" },
  timeout: { label: "已超时", tone: "amber" },
};

const severity: Record<string, StatusMeta> = {
  critical: { label: "严重", tone: "rose" },
  high: { label: "高危", tone: "red" },
  medium: { label: "中危", tone: "amber" },
  low: { label: "低危", tone: "slate" },
};

const finding: Record<string, StatusMeta> = {
  pending: { label: "待处理", tone: "amber" },
  in_progress: { label: "处理中", tone: "blue" },
  confirmed: { label: "已确认", tone: "red" },
  resolved: { label: "已处理", tone: "green" },
  false_positive: { label: "误报", tone: "slate" },
  ignored: { label: "忽略", tone: "neutral" },
  duplicate: { label: "重复", tone: "neutral" },
  risk_accepted: { label: "风险接受", tone: "violet" },
};

const engine: Record<string, StatusMeta> = {
  exploring: { label: "探索中", tone: "blue" },
  paused: { label: "已暂停", tone: "amber" },
  stalled: { label: "停滞", tone: "red" },
  idle: { label: "空闲", tone: "neutral" },
};

const goal: Record<string, StatusMeta> = {
  open: { label: "进行中", tone: "blue" },
  met: { label: "已达成", tone: "green" },
  abandoned: { label: "已放弃", tone: "slate" },
};

const audit: Record<string, StatusMeta> = {
  allow: { label: "放行", tone: "green" },
  block: { label: "拦截", tone: "red" },
};

const node: Record<string, StatusMeta> = {
  observed: { label: "观测", tone: "slate" },
  confirmed: { label: "确认", tone: "green" },
  tombstoned: { label: "废弃", tone: "neutral" },
};

const maps = {
  intent,
  task,
  severity,
  finding,
  engine,
  goal,
  audit,
  node,
} as const;

export type StatusDomain = keyof typeof maps;

export function statusMeta(domain: StatusDomain, key: string): StatusMeta {
  return maps[domain][key] ?? { label: key, tone: "neutral" };
}