import { BarChart3, MapPin, Send, Smartphone, TrendingUp } from 'lucide-react';
import { Button, Modal, Table, Tag } from '@/components/ui';
import {
  formatNumber,
  formatTime,
  getProgress,
  getRegionRate,
  getSuccessRate,
  sendTypeLabels,
  statusLabels,
  statusTones,
} from './taskModel';
import type { RegionStat, SmsTask } from './taskTypes';

function TaskDetailTitle({ task }: { task: SmsTask }) {
  return (
    <div className="admin-task-detail-title">
      <h2>发送批次详情</h2>
      <p>
        <span>{task.id}</span>
        <Tag tone={statusTones[task.status]}>{statusLabels[task.status]}</Tag>
      </p>
    </div>
  );
}

function MetricCard({ label, value, tone }: { label: string; value: string; tone?: 'success' | 'primary' }) {
  return (
    <div className={['admin-task-metric', tone ? `admin-task-metric--${tone}` : ''].filter(Boolean).join(' ')}>
      <span>{label}</span>
      <strong>{value}</strong>
    </div>
  );
}

export function TaskDetailModal({ task, onClose }: { task: SmsTask; onClose: () => void }) {
  const progress = getProgress(task);
  const successRate = getSuccessRate(task);
  const perPhoneBillingUnits = Math.max(1, Math.ceil(task.wordCount / 67));

  return (
    <Modal
      footer={<Button onClick={onClose}>关闭</Button>}
      onClose={onClose}
      open
      size="xl"
      title={<TaskDetailTitle task={task} />}
    >
      <div className="admin-task-detail">
        <div className="admin-task-metrics">
          <MetricCard label="提交总数" value={formatNumber(task.submittedCount)} />
          <MetricCard label="提交成功" tone="success" value={formatNumber(task.submittedSuccess)} />
          <MetricCard label="发送成功" tone="primary" value={formatNumber(task.successCount)} />
          <MetricCard label="计费条数" tone="primary" value={formatNumber(task.billingCount)} />
          <MetricCard label="成功率" tone="primary" value={`${successRate.toFixed(2)}%`} />
        </div>

        <div className="admin-task-detail-grid">
          <section className="admin-task-card">
            <h3><Send size={18} />发送批次信息</h3>
            <dl className="admin-task-info-list">
              <div>
                <dt>企业/应用</dt>
                <dd><strong>{task.enterprise}</strong><span>{task.application}</span></dd>
              </div>
              <div>
                <dt>提交时间</dt>
                <dd>{formatTime(task.submittedAt)}</dd>
              </div>
              <div>
                <dt>发送方式</dt>
                <dd><Tag tone={task.sendType === 'immediate' ? 'info' : 'warning'}>{sendTypeLabels[task.sendType]}</Tag></dd>
              </div>
            </dl>
          </section>

          <section className="admin-task-card">
            <h3><TrendingUp size={18} />发送进度</h3>
            <div className="admin-task-progress-card">
              <div>
                <span>已处理 {formatNumber(task.sentCount)} / 总计 {formatNumber(task.phoneCount)}</span>
                <strong>{progress}%</strong>
              </div>
              <div className="batch-progress__track">
                <span className={`batch-progress__bar batch-progress__bar--${task.status === 'failed' ? 'terminated' : task.status}`} style={{ width: `${progress}%` }} />
              </div>
              <div className="admin-task-progress-split">
                <span>已提交<strong>{formatNumber(task.submittedSuccess)}</strong></span>
                <span>已成功<strong>{formatNumber(task.successCount)}</strong></span>
              </div>
              {task.status === 'pending_review' ? <p className="muted">任务正在等待运营人工审核，尚未进入发送流程。</p> : null}
            </div>
          </section>

          {(task.reviewReason || task.rejectReason || task.riskTaskId) ? <section className="admin-task-card">
            <h3>审核信息</h3>
            <dl className="admin-task-info-list">
              {task.riskTaskId ? <div><dt>关联审核任务</dt><dd>{task.riskTaskId}</dd></div> : null}
              {task.reviewReason ? <div><dt>审核原因</dt><dd>{task.reviewReason}</dd></div> : null}
              {task.rejectReason ? <div><dt>驳回原因</dt><dd>{task.rejectReason}</dd></div> : null}
            </dl>
          </section> : null}

          <section className="admin-task-card">
            <h3><BarChart3 size={18} />模板信息</h3>
            <div className="admin-task-template-block">
              <span>短信模板内容</span>
              <p className="admin-task-template">{task.templateContent}</p>
            </div>
            <dl className="admin-task-template-meta">
              <div><dt>字符数/计费条数</dt><dd>{task.wordCount} 字符 <b>·</b> {perPhoneBillingUnits} 条/号码</dd></div>
              <div><dt>发送号码数</dt><dd>{formatNumber(task.phoneCount)} 个</dd></div>
            </dl>
            <div className="admin-task-billing-note">
              <span>计费规则：每 67 字为 1 条短信。本次任务单号码 {perPhoneBillingUnits} 条，预计总计费 {formatNumber(task.billingCount)} 条</span>
            </div>
          </section>
        </div>

        <section className="admin-task-card admin-task-card--full">
          <h3><Smartphone size={18} />号码运营商分布</h3>
          {task.carriers.length === 0 ? (
            <div className="admin-uplink-empty-match">暂无已识别运营商记录</div>
          ) : (
            <div className="admin-carrier-grid">
              {task.carriers.map((carrier) => {
                const rate = carrier.total > 0 ? (carrier.success / carrier.total) * 100 : 0;
                return (
                  <article className={`admin-carrier-card admin-carrier-card--${carrier.tone}`} key={carrier.name}>
                    <strong>{carrier.name}</strong>
                    <p><span>总数</span><b>{formatNumber(carrier.total)}</b></p>
                    <p><span>成功</span><b>{formatNumber(carrier.success)}</b></p>
                    <div>
                      <em>{rate.toFixed(1)}%</em>
                      <span>成功率</span>
                    </div>
                  </article>
                );
              })}
            </div>
          )}
        </section>

        <section className="admin-task-card admin-task-card--full">
          <h3><MapPin size={18} />号码省份分布</h3>
          <Table
            columns={[
              { key: 'region', title: '省份', render: (record: RegionStat) => <strong>{record.region}</strong> },
              { key: 'total', title: '总数', align: 'right', render: (record: RegionStat) => formatNumber(record.total) },
              { key: 'success', title: '成功', align: 'right', render: (record: RegionStat) => <span className="admin-success-text">{formatNumber(record.success)}</span> },
              {
                key: 'rate',
                title: '成功率',
                align: 'right',
                render: (record: RegionStat) => <Tag tone={getRegionRate(record) >= 95 ? 'success' : 'info'}>{getRegionRate(record).toFixed(1)}%</Tag>,
              },
            ]}
            data={task.regions}
            emptyText="暂无已识别省份记录"
            rowKey={(record) => record.region}
          />
        </section>
      </div>
    </Modal>
  );
}