import { EFFECT_SEQUENCE } from '../audio/effects';
import { RADIO_CHANNEL_OPTIONS } from '../audio/radioStationRuntime';
import { type ItemType, type WorldItem } from '../state/gameState';

const DEFAULT_CLOCK_TIME_ZONE_OPTIONS = [
  'America/Anchorage',
  'America/Argentina/Buenos_Aires',
  'America/Chicago',
  'America/Detroit',
  'America/Halifax',
  'America/Indiana/Indianapolis',
  'America/Kentucky/Louisville',
  'America/Los_Angeles',
  'America/St_Johns',
  'Asia/Bangkok',
  'Asia/Dhaka',
  'Asia/Dubai',
  'Asia/Hong_Kong',
  'Asia/Kabul',
  'Asia/Karachi',
  'Asia/Kathmandu',
  'Asia/Kolkata',
  'Asia/Seoul',
  'Asia/Singapore',
  'Asia/Tehran',
  'Asia/Tokyo',
  'Asia/Yangon',
  'Atlantic/Azores',
  'Atlantic/South_Georgia',
  'Australia/Brisbane',
  'Australia/Darwin',
  'Australia/Eucla',
  'Australia/Lord_Howe',
  'Europe/Berlin',
  'Europe/Helsinki',
  'Europe/London',
  'Europe/Moscow',
  'Pacific/Apia',
  'Pacific/Auckland',
  'Pacific/Chatham',
  'Pacific/Honolulu',
  'Pacific/Kiritimati',
  'Pacific/Noumea',
  'Pacific/Pago_Pago',
  'UTC',
] as const;

const DEFAULT_ITEM_TYPE_SEQUENCE: ItemType[] = ['clock', 'dice', 'radio_station', 'wheel'];

const DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES: Record<ItemType, string[]> = {
  radio_station: ['title', 'streamUrl', 'enabled', 'channel', 'volume', 'effect', 'effectValue'],
  dice: ['title', 'sides', 'number'],
  wheel: ['title', 'spaces'],
  clock: ['title', 'timeZone', 'use24Hour'],
};

const DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES: Record<ItemType, Record<string, string | number | boolean>> = {
  radio_station: { useSound: 'none', emitSound: 'none', useCooldownMs: 1000 },
  dice: { useSound: 'sounds/roll.ogg', emitSound: 'none', useCooldownMs: 1000 },
  wheel: { useSound: 'sounds/spin.ogg', emitSound: 'none', useCooldownMs: 4000 },
  clock: { useSound: 'none', emitSound: 'sounds/clock.ogg', useCooldownMs: 1000 },
};

type UiDefinitionsPayload = {
  itemTypeOrder?: ItemType[];
  itemTypes?: Array<{
    type: ItemType;
    label?: string;
    editableProperties?: string[];
    propertyOptions?: Record<string, string[]>;
    globalProperties?: Record<string, unknown>;
  }>;
};

let itemTypeSequence: ItemType[] = [...DEFAULT_ITEM_TYPE_SEQUENCE];
let itemTypeLabels: Record<ItemType, string> = {
  radio_station: 'radio',
  dice: 'dice',
  wheel: 'wheel',
  clock: 'clock',
};
let itemTypeEditableProperties: Record<ItemType, string[]> = {
  radio_station: [...DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES.radio_station],
  dice: [...DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES.dice],
  wheel: [...DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES.wheel],
  clock: [...DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES.clock],
};
let itemTypeGlobalProperties: Record<ItemType, Record<string, string | number | boolean>> = {
  radio_station: { ...DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES.radio_station },
  dice: { ...DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES.dice },
  wheel: { ...DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES.wheel },
  clock: { ...DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES.clock },
};
let optionItemPropertyValues: Partial<Record<string, string[]>> = {
  effect: EFFECT_SEQUENCE.map((effect) => effect.id),
  channel: [...RADIO_CHANNEL_OPTIONS],
  timeZone: [...DEFAULT_CLOCK_TIME_ZONE_OPTIONS],
};

export let EDITABLE_ITEM_PROPERTY_KEYS = new Set<string>(
  Object.values(itemTypeEditableProperties).flatMap((keys) => keys),
);

function rebuildEditablePropertyKeySet(): void {
  EDITABLE_ITEM_PROPERTY_KEYS = new Set<string>(Object.values(itemTypeEditableProperties).flatMap((keys) => keys));
}

export function getClockTimeZoneOptions(): string[] {
  return [...(optionItemPropertyValues.timeZone ?? DEFAULT_CLOCK_TIME_ZONE_OPTIONS)];
}

export function getDefaultClockTimeZone(): string {
  return getClockTimeZoneOptions()[0] ?? 'America/Detroit';
}

export function getItemTypeSequence(): ItemType[] {
  return [...itemTypeSequence];
}

export function getItemTypeGlobalProperties(itemType: ItemType): Record<string, string | number | boolean> {
  return itemTypeGlobalProperties[itemType] ?? {};
}

export function getItemPropertyOptionValues(key: string): string[] | undefined {
  return optionItemPropertyValues[key];
}

export function itemTypeLabel(type: ItemType): string {
  return itemTypeLabels[type] ?? type;
}

export function itemPropertyLabel(key: string): string {
  if (key === 'use24Hour') return 'use 24 hour format';
  return key;
}

export function getEditableItemPropertyKeys(item: WorldItem): string[] {
  return [...(itemTypeEditableProperties[item.type] ?? ['title'])];
}

export function getInspectItemPropertyKeys(item: WorldItem): string[] {
  const editableKeys = getEditableItemPropertyKeys(item);
  const seen = new Set(editableKeys);
  const allKeys: string[] = [...editableKeys];

  const baseKeys = [
    'type',
    'x',
    'y',
    'carrierId',
    'version',
    'createdBy',
    'createdAt',
    'updatedAt',
    'capabilities',
    'useSound',
    'emitSound',
  ];
  for (const key of baseKeys) {
    if (seen.has(key)) continue;
    seen.add(key);
    allKeys.push(key);
  }

  const paramKeys = Object.keys(item.params).sort((a, b) => a.localeCompare(b));
  for (const key of paramKeys) {
    if (seen.has(key)) continue;
    seen.add(key);
    allKeys.push(key);
  }

  const globalKeys = Object.keys(itemTypeGlobalProperties[item.type] ?? {}).sort((a, b) => a.localeCompare(b));
  for (const key of globalKeys) {
    if (seen.has(key)) continue;
    seen.add(key);
    allKeys.push(key);
  }

  return allKeys;
}

export function applyServerItemUiDefinitions(uiDefinitions: UiDefinitionsPayload | undefined): void {
  if (!uiDefinitions) return;

  if (Array.isArray(uiDefinitions.itemTypeOrder) && uiDefinitions.itemTypeOrder.length > 0) {
    itemTypeSequence = uiDefinitions.itemTypeOrder.filter((entry) => typeof entry === 'string') as ItemType[];
  }

  if (!Array.isArray(uiDefinitions.itemTypes) || uiDefinitions.itemTypes.length === 0) {
    rebuildEditablePropertyKeySet();
    return;
  }

  const nextLabels = { ...itemTypeLabels };
  const nextEditable = { ...itemTypeEditableProperties };
  const nextGlobals = { ...itemTypeGlobalProperties };
  const nextOptions: Partial<Record<string, string[]>> = { ...optionItemPropertyValues };

  for (const definition of uiDefinitions.itemTypes) {
    if (!definition || typeof definition.type !== 'string') continue;
    const itemType = definition.type as ItemType;
    if (typeof definition.label === 'string' && definition.label.trim()) {
      nextLabels[itemType] = definition.label.trim();
    }
    if (Array.isArray(definition.editableProperties) && definition.editableProperties.length > 0) {
      nextEditable[itemType] = definition.editableProperties.filter((entry) => typeof entry === 'string');
    }
    if (definition.globalProperties && typeof definition.globalProperties === 'object') {
      const normalized: Record<string, string | number | boolean> = {};
      for (const [key, raw] of Object.entries(definition.globalProperties)) {
        if (typeof raw === 'string' || typeof raw === 'number' || typeof raw === 'boolean') {
          normalized[key] = raw;
        }
      }
      nextGlobals[itemType] = normalized;
    }
    if (definition.propertyOptions && typeof definition.propertyOptions === 'object') {
      for (const [propertyKey, values] of Object.entries(definition.propertyOptions)) {
        if (!Array.isArray(values) || values.length === 0) continue;
        const normalizedValues = values.filter((entry) => typeof entry === 'string');
        if (normalizedValues.length > 0) {
          nextOptions[propertyKey] = normalizedValues;
        }
      }
    }
  }

  itemTypeLabels = nextLabels;
  itemTypeEditableProperties = nextEditable;
  itemTypeGlobalProperties = nextGlobals;
  optionItemPropertyValues = nextOptions;
  rebuildEditablePropertyKeySet();
}