import { useGameStore } from '../store'
import { ITEMS } from '../../game/data/items'
import { TECHNIQUES } from '../../game/data/techniques'
import { techniqueGradeName } from '../../game/data/realms'
import { marketPrice, buyItem, sellItem, buyTechnique, techniquePrice } from '../../game/engine/sim/Market'
import { PILL_RECIPES, FORGE_RECIPES } from '../../game/data/items'
import { bonusOf } from '../../game/data/buildings'
import { useMemo, useState } from 'react'

export default function MarketPanel() {
  const world = useGameStore((s) => s.world)
  const bump = useGameStore((s) => s.bump)
  const revision = useGameStore((s) => s.revision)
  void revision
  const [tab, setTab] = useState<'goods' | 'tech' | 'craft'>('goods')
  if (!world) return null
  const w = world
  const fam = w.state.family
  const inv = fam.inventory

  const goods = useMemo(
    () => Object.values(ITEMS).filter((i) => ['resource', 'material', 'pill', 'talisman', 'brew', 'artifact'].includes(i.kind)),
    []
  )
  const artifacts = useMemo(() => Object.values(ITEMS).filter((i) => i.kind === 'artifact'), [])
  const marketTech = TECHNIQUES.filter((t) => t.grade <= 3)
  const cangshuLv = fam.buildings['cangshu'] ?? 0

  const price = (id: string) => marketPrice(w, id)

  return (
    <div>
      <div className="tabs" style={{ padding: 0, background: 'none', border: 'none', marginBottom: 10 }}>
        <div className={`tab ${tab === 'goods' ? 'sel' : ''}`} onClick={() => setTab('goods')}>货栈</div>
        <div className={`tab ${tab === 'tech' ? 'sel' : ''}`} onClick={() => setTab('tech')}>法帖</div>
        <div className={`tab ${tab === 'craft' ? 'sel' : ''}`} onClick={() => setTab('craft')}>定制</div>
      </div>
      {tab === 'goods' && (
        <>
          <div className="help-text">
            集市物价随季节波动（当前行情 {Math.round(((fam.flag['priceMult'] as number) ?? 1) * 100)}%）。
            仓库寄存的灵草、灵矿、兽核均可在此出手。
          </div>
          <table className="market-table">
            <thead>
              <tr>
                <th>品名</th>
                <th>说明</th>
                <th>行价</th>
                <th>库存/持有</th>
                <th>买卖</th>
              </tr>
            </thead>
            <tbody>
              {[...goods, ...artifacts].map((item) => {
                const have = ['resource', 'material', 'pill', 'talisman', 'brew', 'artifact'].includes(item.kind)
                  ? inv[item.id] ?? 0
                  : 0
                const stock = item.kind === 'artifact' ? 3 : ['pill', 'talisman', 'brew'].includes(item.kind) ? 5 : 9999
                const count = item.kind === 'artifact' ? 1 : 5
                return (
                  <tr key={item.id}>
                    <td>
                      <b><span className="s-icon">{item.icon}</span> {item.name}</b>
                    </td>
                    <td className="dim">{item.desc}</td>
                    <td>{price(item.id)} 灵石</td>
                    <td className="dim">{have}</td>
                    <td>
                      <button
                        className="btn btn-sm"
                        disabled={fam.stones < price(item.id) * count}
                        title={fam.stones < price(item.id) * count ? '灵石不足' : ''}
                        onClick={() => {
                          buyItem(w, item.id, count)
                          bump()
                        }}
                      >
                        买{count}
                      </button>{' '}
                      {(['resource', 'material', 'pill'].includes(item.kind) && have >= count) && (
                        <button
                          className="btn btn-sm"
                          onClick={() => {
                            sellItem(w, item.id, count)
                            bump()
                          }}
                        >
                          卖{count}
                        </button>
                      )}
                      {item.kind === 'artifact' && have > 0 && (
                        <span className="dim2"> 已购藏</span>
                      )}
                    </td>
                  </tr>
                )
              })}

            </tbody>
          </table>
        </>
      )}
      {tab === 'tech' && (
        <>
          <div className="help-text">
            藏书阁录存法帖，族人可修习。藏书阁等级决定可在坊市搜购的品阶（当前 {cangshuLv} 级，可购至{techniqueGradeName(Math.min(4, Math.max(0, cangshuLv + 1)))}）。
            若藏书阁未建或等级不足，只可见基础法帖。
          </div>
          <table className="market-table">
            <thead>
              <tr>
                <th>法帖</th>
                <th>品阶/路子</th>
                <th>妙用</th>
                <th>修为加成</th>
                <th>战力加成</th>
                <th></th>
              </tr>
            </thead>
            <tbody>
              {marketTech
                .filter((t) => t.grade <= 1 + cangshuLv)
                .filter((t) => t.grade <= 3)
                .map((t) => {
                  const owned = fam.techniques.includes(t.id)
                  const p = t.grade <= 1 + cangshuLv
                  const priceT = techniquePrice(t.id)
                  return (
                    <tr key={t.id}>
                      <td><b>《{t.name}》</b></td>
                      <td className="dim">{techniqueGradeName(t.grade)} · {t.path}</td>
                      <td className="dim">{t.desc}</td>
                      <td>+{Math.round((t.expBonus) * 100)}%</td>
                      <td>+{Math.round((t.powerBonus) * 100)}%</td>
                      <td>
                        {owned ? (
                          <span className="good">已录</span>
                        ) : (
                          <button
                            className="btn btn-sm"
                            disabled={!p || fam.stones < priceT}
                            onClick={() => {
                              buyTechnique(w, t.id, priceT)
                              bump()
                            }}
                          >
                            {priceT}灵石
                          </button>
                        )}
                      </td>
                    </tr>
                  )
                })}
            </tbody>
          </table>
        </>
      )}
      {tab === 'craft' && (
        <>
          <div className="help-text">
            丹房依「灵草+兽核+灵石」配比丹药，成数随丹房等级；破境丹需丹房三级。炼器以灵矿兽核+灵石相合，无建筑门槛，只看家底。
          </div>
          <h4 className="dim" style={{ margin: '8px 0 4px' }}>丹房炼制（当前 {fam.buildings['danfang'] ?? 0} 级 · 成率 {Math.round(bonusOf('danfang', 'craftChance', fam.buildings['danfang'] ?? 0) * 100)}%）</h4>
          <table className="market-table">
            <thead>
              <tr><th>丹方</th><th>药性</th><th>配方</th><th>门槛</th><th></th></tr>
            </thead>
            <tbody>
              {PILL_RECIPES.map((r) => {
                const lvl = fam.buildings['danfang'] ?? 0
                const enough = (inv['lingcao'] ?? 0) >= r.lingcao && (inv['beastcore'] ?? 0) >= r.beastcore && fam.stones >= r.stones
                return (
                  <tr key={r.output}>
                    <td><b><span className="s-icon">丹</span> {r.name}</b></td>
                    <td className="dim">{r.desc}</td>
                    <td className="dim">草{r.lingcao}·核{r.beastcore}·灵石{r.stones}</td>
                    <td className="dim">{r.danfangLevel}级丹房</td>
                    <td>
                      <button
                        className="btn btn-sm"
                        disabled={lvl < r.danfangLevel || !enough}
                        title={lvl < r.danfangLevel ? `丹房需升到 ${r.danfangLevel} 级` : enough ? '炼制（失败折半退料）' : '材料不足'}
                        onClick={() => { w.craftPill(r.output.replace('pill-', '') as 'qiyuan' | 'ningyuan' | 'pojing'); bump() }}
                      >炼</button>
                    </td>
                  </tr>
                )
              })}
            </tbody>
          </table>
          <h4 className="dim" style={{ margin: '14px 0 4px' }}>铸器坊（灵矿+兽核+灵石 → 兵刃）</h4>
          <table className="market-table">
            <thead>
              <tr><th>兵刃</th><th>妙用</th><th>配方</th><th></th></tr>
            </thead>
            <tbody>
              {FORGE_RECIPES.map((r) => {
                const enough = (inv['lingkuang'] ?? 0) >= r.lingkuang && (inv['beastcore'] ?? 0) >= r.beastcore && fam.stones >= r.stones
                return (
                  <tr key={r.output}>
                    <td><b><span className="s-icon">器</span> {r.name}</b></td>
                    <td className="dim">{r.desc}</td>
                    <td className="dim">矿{r.lingkuang}·核{r.beastcore}·灵石{r.stones}</td>
                    <td>
                      <button
                        className="btn btn-sm"
                        disabled={!enough}
                        title={enough ? '淬火铸成' : '材料不足'}
                        onClick={() => { w.forgeArtifact(r.output as 'weapon-qi' | 'weapon-ling' | 'weapon-fa'); bump() }}
                      >铸</button>
                    </td>
                  </tr>
                )
              })}
            </tbody>
          </table>
          {(fam.buildings['danfang'] ?? 0) > 0 && (
            <div className="dim2" style={{ marginTop: 8 }}>
              破境丹亦可等拍卖会落槌（需要时留神百年拍卖）。
            </div>
          )}
        </>
      )}
      <div className="dim2" style={{ marginTop: 10 }}>
        灵矿不足时可上坊市民间收购；妖丹于探秘与灵兽园中可得。
      </div>
    </div>
  )
}