<template>
  <div>
    <div class="card">
      <div class="card-body" style="padding:10px 14px;">
        <div class="flex-row" style="flex-wrap:wrap;gap:12px;">
          <div class="flex-row">
            <span class="kv-label">状态</span>
            <select v-model="query.status" class="kv-input" style="width:110px;">
              <option value="">全部</option>
              <option v-for="s in statusOptions" :key="s.value" :value="s.value">{{ s.label }}</option>
            </select>
          </div>
          <div class="flex-row">
            <span class="kv-label">冷卷号</span>
            <input v-model="query.cold_coil_no" class="kv-input" style="width:140px;" @keyup.enter="fetchData" />
          </div>
          <div class="flex-row">
            <span class="kv-label">日期</span>
            <input v-model="query.start_date" type="date" class="kv-input" style="width:130px;" />
            <span class="kv-label">~</span>
            <input v-model="query.end_date" type="date" class="kv-input" style="width:130px;" />
          </div>
          <div class="flex-row">
            <button class="btn btn-primary" @click="fetchData">查询</button>
            <button class="btn btn-outline" @click="openDialog()">＋ 新增计划</button>
          </div>
        </div>
      </div>
    </div>

    <div class="card">
      <div class="card-header">
        生产计划
        <span class="ch-badge">共 {{ total }} 条</span>
      </div>
      <div class="table-scroll" v-loading="loading">
        <table class="data-table">
          <thead>
            <tr>
              <th style="width:48px;">序号</th>
              <th>冷卷号</th>
              <th>热卷号</th>
              <th>钢种</th>
              <th>来料厚度</th>
              <th>产品厚度</th>
              <th>偏差上限</th>
              <th>偏差下限</th>
              <th>来料宽度</th>
              <th>产品宽度</th>
              <th>包装要求</th>
              <th>卷径</th>
              <th>分卷数</th>
              <th>下工序</th>
              <th>计划时间</th>
              <th>状态</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(row, idx) in tableData" :key="row.id"
                :class="{ 'row-selected': selectedRow && selectedRow.id === row.id }"
                @click="selectRow(row)" style="cursor:pointer;">
              <td class="td-num">{{ idx + 1 }}</td>
              <td class="td-num">{{ row.cold_coil_no || row.plan_no || '—' }}</td>
              <td class="td-num">{{ row.hot_coil_no || '—' }}</td>
              <td>{{ row.steel_grade || '—' }}</td>
              <td class="td-num">{{ fmtNum(row.incoming_thickness) }}</td>
              <td class="td-num">{{ fmtNum(row.product_thickness) }}</td>
              <td class="td-num">{{ fmtNum(row.deviation_upper, 3) }}</td>
              <td class="td-num">{{ fmtNum(row.deviation_lower, 3) }}</td>
              <td class="td-num">{{ fmtNum(row.incoming_width, 0) }}</td>
              <td class="td-num">{{ fmtNum(row.product_width, 0) }}</td>
              <td>{{ row.packaging_req || '—' }}</td>
              <td class="td-num">{{ fmtNum(row.coil_diameter, 0) }}</td>
              <td class="td-num">{{ row.split_count != null ? row.split_count : 1 }}</td>
              <td class="td-num">{{ row.next_process != null ? row.next_process : '—' }}</td>
              <td class="td-muted">{{ fmtTime(row.plan_date) }}</td>
              <td><span :class="['badge', statusBadge(row.status)]">{{ statusLabel(row.status) }}</span></td>
              <td @click.stop>
                <span class="action-link" @click="openDialog(row)">编辑</span>
                <span v-if="row.status === 'ready' || row.status === 'online'"
                      class="action-link" style="color:var(--accent-green)" @click="openMove(row)">移动</span>
                <span v-if="row.status !== 'producing'"
                      class="action-link" style="color:var(--accent-red)" @click="removeRow(row)">删除</span>
              </td>
            </tr>
            <tr v-if="!tableData.length && !loading">
              <td colspan="17" class="td-muted" style="text-align:center;padding:24px;">暂无数据</td>
            </tr>
          </tbody>
        </table>
      </div>
    </div>

    <!-- 计划详细 -->
    <div class="card" v-if="selectedRow">
      <div class="card-header">计划详细 — {{ selectedRow.cold_coil_no || selectedRow.plan_no }}</div>
      <div class="detail-grid">
        <div class="dt-row"><span class="dt-k">钢卷号</span><span class="dt-v">{{ selectedRow.cold_coil_no || '—' }}</span></div>
        <div class="dt-row"><span class="dt-k">来料厚度</span><span class="dt-v">{{ fmtNum(selectedRow.incoming_thickness) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">来料宽度</span><span class="dt-v">{{ fmtNum(selectedRow.incoming_width, 0) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">1#分卷</span><span class="dt-v">{{ fmtNum(splitW(0), 3) }} <i>[t]</i></span></div>

        <div class="dt-row"><span class="dt-k">钢种</span><span class="dt-v">{{ selectedRow.steel_grade || '—' }}</span></div>
        <div class="dt-row"><span class="dt-k">产品厚度</span><span class="dt-v">{{ fmtNum(selectedRow.product_thickness) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">产品宽度</span><span class="dt-v">{{ fmtNum(selectedRow.product_width, 0) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">2#分卷</span><span class="dt-v">{{ fmtNum(splitW(1), 3) }} <i>[t]</i></span></div>

        <div class="dt-row"><span class="dt-k">轧制模式</span><span class="dt-v">{{ selectedRow.rolling_mode || '—' }}</span></div>
        <div class="dt-row"><span class="dt-k">偏差上限</span><span class="dt-v">{{ fmtNum(selectedRow.deviation_upper, 3) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">分卷数</span><span class="dt-v">{{ selectedRow.split_count != null ? selectedRow.split_count : 1 }}</span></div>
        <div class="dt-row"><span class="dt-k">3#分卷</span><span class="dt-v">{{ fmtNum(splitW(2), 3) }} <i>[t]</i></span></div>

        <div class="dt-row"><span class="dt-k">状态</span><span class="dt-v"><span :class="['badge', statusBadge(selectedRow.status)]">{{ statusLabel(selectedRow.status) }}</span></span></div>
        <div class="dt-row"><span class="dt-k">偏差下限</span><span class="dt-v">{{ fmtNum(selectedRow.deviation_lower, 3) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">下工序</span><span class="dt-v">{{ selectedRow.next_process || '—' }}</span></div>
        <div class="dt-row"><span class="dt-k">4#分卷</span><span class="dt-v">{{ fmtNum(splitW(3), 3) }} <i>[t]</i></span></div>

        <div class="dt-row"><span class="dt-k">下达时间</span><span class="dt-v">{{ fmtTime(selectedRow.plan_date) }}</span></div>
        <div class="dt-row"><span class="dt-k">来料重量</span><span class="dt-v">{{ fmtNum(selectedRow.incoming_weight, 2) }} <i>[t]</i></span></div>
        <div class="dt-row"><span class="dt-k">来料外径</span><span class="dt-v">{{ fmtNum(selectedRow.incoming_od, 0) }} <i>[mm]</i></span></div>
        <div class="dt-row"><span class="dt-k">5#分卷</span><span class="dt-v">{{ fmtNum(splitW(4), 3) }} <i>[t]</i></span></div>

        <div class="dt-row"></div>
        <div class="dt-row"></div>
        <div class="dt-row"></div>
        <div class="dt-row"><span class="dt-k">6#分卷</span><span class="dt-v">{{ fmtNum(splitW(5), 3) }} <i>[t]</i></span></div>
      </div>
    </div>

    <div v-if="dialogVisible" class="modal-mask" @click.self="dialogVisible=false">
      <div class="modal-box" style="width:880px;">
        <div class="modal-header">
          {{ editRow ? '编辑计划' : '新增计划' }}
          <span class="modal-close" @click="dialogVisible=false">✕</span>
        </div>
        <div class="modal-body">
          <div class="grid-3" style="gap:12px;">
            <div class="form-field">
              <div class="kv-label">计划号 *</div>
              <input v-model="form.plan_no" class="kv-input" :disabled="!!editRow" />
            </div>
            <div class="form-field">
              <div class="kv-label">冷卷号</div>
              <input v-model="form.cold_coil_no" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">热卷号</div>
              <input v-model="form.hot_coil_no" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">钢种</div>
              <input v-model="form.steel_grade" class="kv-input" placeholder="QTGLG-2019" />
            </div>
            <div class="form-field">
              <div class="kv-label">轧制模式</div>
              <select v-model="form.rolling_mode" class="kv-input">
                <option value="">—</option>
                <option value="冷轧">冷轧</option>
                <option value="热轧">热轧</option>
                <option value="温轧">温轧</option>
              </select>
            </div>
            <div class="form-field">
              <div class="kv-label">来料厚度 (mm)</div>
              <input v-model.number="form.incoming_thickness" type="number" step="0.01" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">产品厚度 (mm)</div>
              <input v-model.number="form.product_thickness" type="number" step="0.01" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">偏差上限</div>
              <input v-model.number="form.deviation_upper" type="number" step="0.001" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">偏差下限</div>
              <input v-model.number="form.deviation_lower" type="number" step="0.001" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">来料宽度 (mm)</div>
              <input v-model.number="form.incoming_width" type="number" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">产品宽度 (mm)</div>
              <input v-model.number="form.product_width" type="number" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">包装要求</div>
              <select v-model="form.packaging_req" class="kv-input">
                <option value="">—</option>
                <option value="裸包">裸包</option>
                <option value="筒包">筒包</option>
              </select>
            </div>
            <div class="form-field">
              <div class="kv-label">卷径 (mm)</div>
              <input v-model.number="form.coil_diameter" type="number" step="1" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">来料外径 (mm)</div>
              <input v-model.number="form.incoming_od" type="number" step="1" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">来料重量 (t)</div>
              <input v-model.number="form.incoming_weight" type="number" step="0.001" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">分卷数</div>
              <input v-model.number="form.split_count" type="number" min="1" max="6" class="kv-input" @change="syncSplitWeights" />
            </div>
            <div class="form-field">
              <div class="kv-label">下工序</div>
              <input v-model="form.next_process" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">计划时间</div>
              <input v-model="form.plan_date" type="datetime-local" class="kv-input" />
            </div>
            <div class="form-field">
              <div class="kv-label">状态</div>
              <select v-model="form.status" class="kv-input">
                <option v-for="s in statusOptions" :key="s.value" :value="s.value">{{ s.label }}</option>
              </select>
            </div>
          </div>
          <div style="margin-top:12px;border-top:1px dashed var(--border);padding-top:10px;">
            <div class="kv-label" style="margin-bottom:6px;">分卷重量 (t)</div>
            <div class="grid-6" style="gap:8px;">
              <div v-for="i in 6" :key="i" class="form-field">
                <div class="kv-label" style="font-size:11px;">{{ i }}#分卷</div>
                <input v-model.number="form.split_weights[i-1]" type="number" step="0.001"
                       :disabled="i > (form.split_count || 1)" class="kv-input" />
              </div>
            </div>
          </div>
        </div>
        <div class="modal-footer">
          <button class="btn btn-outline" @click="dialogVisible=false">取消</button>
          <button class="btn btn-primary" :disabled="saving" @click="save">{{ saving ? '保存中...' : '保存' }}</button>
        </div>
      </div>
    </div>

    <!-- 移动-位置选择弹窗 -->
    <div v-if="moveDialog.visible" class="modal-mask" @click.self="moveDialog.visible=false">
      <div class="modal-box" style="width:480px;">
        <div class="modal-header">
          移动计划 — {{ moveDialog.plan && (moveDialog.plan.cold_coil_no || moveDialog.plan.plan_no) }}
          <span class="modal-close" @click="moveDialog.visible=false">✕</span>
        </div>
        <div class="modal-body">
          <div class="kv-label" style="margin-bottom:8px;">选择目标位置（只有「上卷鞍座」会触发生产）</div>
          <div class="pos-pick">
            <span
              v-for="pos in positions"
              :key="pos"
              :class="['pick-item', { active: moveDialog.target === pos, saddle: pos === '上卷鞍座' }]"
              @click="moveDialog.target = pos"
            >{{ pos }}</span>
          </div>
        </div>
        <div class="modal-footer">
          <button class="btn btn-outline" @click="moveDialog.visible=false">取消</button>
          <button class="btn btn-primary" :disabled="!moveDialog.target || moving" @click="confirmMove">{{ moving ? '移动中...' : '确定' }}</button>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { getPlans, createPlan, updatePlan, deletePlan, confirmPlan as apiConfirm, movePlan, getLastPlanTemplate } from '@/api'

const SADDLE = '上卷鞍座'
const POSITIONS = [
  '1#上卷小车', '2#上卷小车', '1#称重位', '2#称重位',
  '1#地辊', '2#地辊', '1#倒卷小车', '2#倒卷小车', SADDLE,
]

const STATUS_MAP = {
  ready:     { label: '准备好',   badge: 'badge-gray'   },
  online:    { label: '在线',     badge: 'badge-green'  },
  producing: { label: '生产中',   badge: 'badge-yellow' },
  produced:  { label: '生产完成', badge: 'badge-blue'   },
}

const TEMPLATE_KEYS = [
  'steel_grade','incoming_thickness','product_thickness','deviation_upper','deviation_lower',
  'incoming_width','product_width','packaging_req','trim_req','rolling_mode',
  'coil_diameter','split_count','next_process','incoming_weight','incoming_od','split_weights',
]

export default {
  name: 'Plan',
  data() {
    return {
      loading: false, saving: false,
      tableData: [], total: 0,
      query: { page: 1, page_size: 50, status: '', cold_coil_no: '', start_date: '', end_date: '' },
      statusOptions: Object.entries(STATUS_MAP).map(([value, { label }]) => ({ value, label })),
      dialogVisible: false, editRow: null,
      form: this.emptyForm(),
      selectedRow: null,
      positions: POSITIONS, moving: false,
      moveDialog: { visible: false, plan: null, target: '' },
    }
  },
  created() { this.fetchData() },
  methods: {
    emptyForm() {
      return { plan_no: '', split_count: 1, status: 'ready', split_weights: [null,null,null,null,null,null] }
    },
    async fetchData() {
      this.loading = true
      const params = { page: this.query.page, page_size: this.query.page_size }
      if (this.query.status) params.status = this.query.status
      if (this.query.start_date) params.start_date = this.query.start_date + 'T00:00:00'
      if (this.query.end_date) params.end_date = this.query.end_date + 'T23:59:59'
      try {
        const res = await getPlans(params)
        let items = res.data.items
        if (this.query.cold_coil_no) {
          items = items.filter(x => (x.cold_coil_no || '').includes(this.query.cold_coil_no))
        }
        this.tableData = items
        this.total = res.data.total
        if (this.selectedRow) {
          const fresh = items.find(x => x.id === this.selectedRow.id)
          if (fresh) this.selectedRow = fresh
        }
      } finally { this.loading = false }
    },
    fmtTime(t) { return t ? t.slice(0, 16).replace('T', ' ') : '—' },
    fmtNum(v, n = 2) { return v != null && v !== '' ? Number(v).toFixed(n) : '—' },
    statusLabel(s) { return STATUS_MAP[s]?.label || s || '—' },
    statusBadge(s) { return STATUS_MAP[s]?.badge || 'badge-gray' },
    selectRow(row) { this.selectedRow = row },
    splitW(i) {
      const arr = this.selectedRow && this.selectedRow.split_weights
      return Array.isArray(arr) ? arr[i] : null
    },
    syncSplitWeights() {
      const n = Math.max(1, Math.min(6, Number(this.form.split_count) || 1))
      const arr = (this.form.split_weights || []).slice(0, 6)
      while (arr.length < 6) arr.push(null)
      for (let i = n; i < 6; i++) arr[i] = null
      this.$set(this.form, 'split_weights', arr)
    },
    async openDialog(row = null) {
      this.editRow = row
      if (row) {
        const r = { ...row }
        if (r.plan_date) r.plan_date = r.plan_date.slice(0, 16)
        if (!Array.isArray(r.split_weights)) r.split_weights = [null,null,null,null,null,null]
        else { while (r.split_weights.length < 6) r.split_weights.push(null) }
        this.form = r
      } else {
        this.form = this.emptyForm()
        this.form.plan_date = this.nowDT()
        try {
          const res = await getLastPlanTemplate()
          const t = res.data || {}
          for (const k of TEMPLATE_KEYS) {
            if (t[k] != null) this.$set(this.form, k, t[k])
          }
          if (!Array.isArray(this.form.split_weights)) {
            this.form.split_weights = [null,null,null,null,null,null]
          } else {
            while (this.form.split_weights.length < 6) this.form.split_weights.push(null)
          }
        } catch (e) { /* 无历史可回填，忽略 */ }
      }
      this.dialogVisible = true
    },
    nowDT() {
      const d = new Date(); const p = n => String(n).padStart(2, '0')
      return `${d.getFullYear()}-${p(d.getMonth()+1)}-${p(d.getDate())}T${p(d.getHours())}:${p(d.getMinutes())}`
    },
    async confirmPlan(row) {
      if (!confirm(`将计划 ${row.plan_no} 上线？`)) return
      await apiConfirm(row.id)
      this.$message.success('已上线')
      this.fetchData()
    },
    async removeRow(row) {
      if (!confirm(`确认删除计划 ${row.cold_coil_no || row.plan_no}？`)) return
      try {
        await deletePlan(row.id)
        this.$message.success('已删除')
        if (this.selectedRow && this.selectedRow.id === row.id) this.selectedRow = null
        this.fetchData()
      } catch (e) {
        this.$message.error(e?.response?.data?.detail || '删除失败')
      }
    },
    openMove(row) {
      this.moveDialog = { visible: true, plan: row, target: row.position || '' }
    },
    async confirmMove() {
      const { plan, target } = this.moveDialog
      if (!target) return
      this.moving = true
      try {
        await movePlan(plan.id, target)
        this.$message.success(target === SADDLE ? '已移动到上卷鞍座' : `已移动到 ${target}`)
        this.moveDialog.visible = false
        this.fetchData()
      } catch (e) {
        this.$message.error(e?.response?.data?.detail || '操作失败')
      } finally { this.moving = false }
    },
    async save() {
      if (!this.form.plan_no) { this.$message.error('计划号不能为空'); return }
      if (!this.form.plan_date) { this.$message.error('计划时间不能为空'); return }
      this.saving = true
      try {
        const d = { ...this.form }
        if (d.plan_date && !d.plan_date.includes(':')) d.plan_date += 'T00:00:00'
        else if (d.plan_date && d.plan_date.length === 16) d.plan_date += ':00'
        // 修剪 split_weights 到 split_count 长度
        const n = Math.max(1, Math.min(6, Number(d.split_count) || 1))
        if (Array.isArray(d.split_weights)) {
          d.split_weights = d.split_weights.slice(0, n).map(v => v === '' ? null : v)
        }
        if (this.editRow) await updatePlan(this.editRow.id, d)
        else await createPlan(d)
        this.$message.success('保存成功')
        this.dialogVisible = false; this.fetchData()
      } finally { this.saving = false }
    }
  }
}
</script>

<style lang="scss" scoped>
@import '@/assets/styles/variables';
.action-link { color: $sms-highlight; cursor: pointer; font-size: 12px; margin-right: 12px; &:hover { text-decoration: underline; } }
.row-selected { background: rgba(29, 142, 255, 0.12) !important; }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); }
.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 24px;
  padding: 14px 18px;
  border: 1px solid #c43a3a;
  margin: 0 6px 8px;
  background: rgba(196, 58, 58, 0.04);
}
.dt-row { display: flex; align-items: center; gap: 10px; font-size: 12px; min-height: 22px; }
.dt-k { color: $text-muted; min-width: 64px; }
.dt-v { color: $text-primary; flex: 1; i { color: $text-muted; font-style: normal; font-size: 11px; margin-left: 2px; } }
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.modal-box { background: $bg-card; border: 1px solid $border; border-radius: 6px; max-width: 95vw; max-height: 90vh; display: flex; flex-direction: column; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: $bg-panel; border-bottom: 1px solid $border; font-size: 13px; font-weight: 600; color: $sms-highlight; .modal-close { cursor: pointer; color: $text-muted; &:hover { color: $text-primary; } } }
.modal-body { padding: 16px; overflow-y: auto; }
.modal-footer { padding: 10px 16px; background: $bg-panel; border-top: 1px solid $border; display: flex; justify-content: flex-end; gap: 10px; }
.pos-pick { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.pick-item {
  padding: 9px 12px; font-size: 12px; text-align: center; border-radius: 6px; cursor: pointer;
  border: 1px solid $border; color: $text-secondary; background: $bg-card;
  &:hover { border-color: $sms-teal; color: $sms-teal; }
  &.active { color: #fff; background: $sms-teal; border-color: $sms-teal; }
  &.saddle { grid-column: 1 / -1; border-style: dashed; border-color: $accent-yellow; color: $accent-yellow;
    &.active { color: #fff; background: $accent-yellow; border-style: solid; } }
}
</style>
