/**
 * Step 1 选择剪辑模式 + 生成设置（#1970 新流程第一步）
 * - 剪辑模式：🎲随机混剪 / 📖叙事剪辑，二选一，选中紫底紫框
 * - 生成设置：生成数量（-/+ 1-10 默认1）、视频比例（9:16/16:9 默认9:16）、智能降重开关（默认开）
 */
import React from "react"
import { MinusOutlined, PlusOutlined } from "@ant-design/icons"

export type EditMode = "random" | "narrative"

interface Step1EditModeProps {
  editMode: EditMode
  onEditModeChange: (mode: EditMode) => void
  /** 生成数量（1-10，默认1） */
  previewCount: number
  onPreviewCountChange: (n: number) => void
  /** 视频比例 */
  videoRatio: "9:16" | "16:9"
  onVideoRatioChange: (ratio: "9:16" | "16:9") => void
  /** 智能降重开关（默认 true） */
  dedupEnabled: boolean
  onDedupEnabledChange: (v: boolean) => void
}

const PURPLE = "#7c3aed"
const PURPLE_BG = "linear-gradient(135deg, #ede9fe, #ddd6fe)"
const PURPLE_BORDER = "2px solid #7c3aed"

const MODE_CARDS: Array<{
  key: EditMode
  emoji: string
  title: string
  desc: string
  features: string[]
}> = [
  {
    key: "random",
    emoji: "🎲",
    title: "随机混剪",
    desc: "根据配音时长随机抽取素材片段，灵活组合",
    features: ["随机抽帧组合", "每次画面不同", "适合批量生成"],
  },
  {
    key: "narrative",
    emoji: "📖",
    title: "叙事剪辑",
    desc: "按文案内容匹配相关画面，有逻辑组织镜头",
    features: ["画面匹配文案", "叙事感更强", "需要素材标签"],
  },
]

const Step1EditMode: React.FC<Step1EditModeProps> = ({
  editMode,
  onEditModeChange,
  previewCount,
  onPreviewCountChange,
  videoRatio,
  onVideoRatioChange,
  dedupEnabled,
  onDedupEnabledChange,
}) => {
  return (
    <div className="xx-form-section">
      <h3>🎬 选择剪辑模式</h3>
      <p style={{ color: "#666", fontSize: 14, marginBottom: 16 }}>
        选择适合您的剪辑方式，后续流程会根据模式自动调整
      </p>

      <div
        style={{
          display: "grid",
          gridTemplateColumns: "repeat(auto-fit, minmax(240px, 1fr))",
          gap: 16,
          marginBottom: 24,
        }}
      >
        {MODE_CARDS.map((card) => {
          const selected = editMode === card.key
          return (
            <div
              key={card.key}
              onClick={() => onEditModeChange(card.key)}
              style={{
                padding: 20,
                borderRadius: 12,
                border: selected ? PURPLE_BORDER : "1px solid #e5e7eb",
                background: selected ? PURPLE_BG : "#fff",
                cursor: "pointer",
                transition: "all 0.2s",
              }}
            >
              <div style={{ fontSize: 36, marginBottom: 8 }}>{card.emoji}</div>
              <div
                style={{
                  fontSize: 18,
                  fontWeight: 600,
                  color: selected ? PURPLE : "#111",
                  marginBottom: 6,
                }}
              >
                {card.title}
              </div>
              <div style={{ fontSize: 13, color: "#666", marginBottom: 12 }}>{card.desc}</div>
              <div style={{ display: "flex", flexDirection: "column", gap: 4 }}>
                {card.features.map((f) => (
                  <div key={f} style={{ fontSize: 12, color: selected ? "#6d28d9" : "#6b7280" }}>
                    ✅ {f}
                  </div>
                ))}
              </div>
            </div>
          )
        })}
      </div>

      <h3 style={{ marginTop: 8 }}>⚙️ 生成设置</h3>

      <div className="xx-form-field" style={{ marginTop: 12 }}>
        <label>生成数量</label>
        <div style={{ display: "flex", alignItems: "center", gap: 12 }}>
          <div
            style={{
              display: "inline-flex",
              alignItems: "center",
              border: "1px solid #e5e7eb",
              borderRadius: 8,
              overflow: "hidden",
              background: "#fff",
            }}
          >
            <button
              type="button"
              onClick={() => onPreviewCountChange(Math.max(1, previewCount - 1))}
              disabled={previewCount <= 1}
              style={{
                width: 36,
                height: 36,
                border: "none",
                background: "transparent",
                cursor: previewCount <= 1 ? "not-allowed" : "pointer",
                color: previewCount <= 1 ? "#d1d5db" : "#374151",
                fontSize: 16,
              }}
            >
              <MinusOutlined />
            </button>
            <span
              style={{
                minWidth: 40,
                textAlign: "center",
                fontSize: 16,
                fontWeight: 600,
                color: "#111",
              }}
            >
              {previewCount}
            </span>
            <button
              type="button"
              onClick={() => onPreviewCountChange(Math.min(10, previewCount + 1))}
              disabled={previewCount >= 10}
              style={{
                width: 36,
                height: 36,
                border: "none",
                background: "transparent",
                cursor: previewCount >= 10 ? "not-allowed" : "pointer",
                color: previewCount >= 10 ? "#d1d5db" : "#374151",
                fontSize: 16,
              }}
            >
              <PlusOutlined />
            </button>
          </div>
          <span style={{ fontSize: 12, color: "#6b7280" }}>最多一次生成 10 个</span>
        </div>
      </div>

      <div className="xx-form-field" style={{ marginTop: 16 }}>
        <label>视频比例</label>
        <div style={{ display: "flex", gap: 12, marginTop: 4 }}>
          {[
            { key: "9:16" as const, emoji: "📱", label: "竖屏 9:16" },
            { key: "16:9" as const, emoji: "🖥️", label: "横屏 16:9" },
          ].map((opt) => {
            const selected = videoRatio === opt.key
            return (
              <button
                key={opt.key}
                type="button"
                onClick={() => onVideoRatioChange(opt.key)}
                style={{
                  padding: "10px 20px",
                  borderRadius: 8,
                  border: selected ? PURPLE_BORDER : "1px solid #e5e7eb",
                  background: selected ? PURPLE_BG : "#fff",
                  color: selected ? PURPLE : "#374151",
                  cursor: "pointer",
                  fontSize: 14,
                  fontWeight: selected ? 600 : 400,
                  transition: "all 0.2s",
                }}
              >
                {opt.emoji} {opt.label}
              </button>
            )
          })}
        </div>
      </div>

      <div
        className="xx-form-field"
        style={{
          marginTop: 16,
          padding: "12px 16px",
          background: "#f9fafb",
          borderRadius: 8,
        }}
      >
        <div style={{ display: "flex", alignItems: "center", gap: 8 }}>
          <span style={{ fontSize: 14, fontWeight: 500, color: "#111" }}>
            🎯 智能降重 {dedupEnabled ? "已开启" : "已关闭"}
          </span>
          <button
            type="button"
            onClick={() => onDedupEnabledChange(!dedupEnabled)}
            style={{
              width: 44,
              height: 24,
              borderRadius: 12,
              border: "none",
              background: dedupEnabled ? PURPLE : "#d1d5db",
              position: "relative",
              cursor: "pointer",
              transition: "background 0.2s",
              padding: 0,
              flexShrink: 0,
            }}
            aria-label="toggle dedup"
          >
            <span
              style={{
                position: "absolute",
                top: 2,
                left: dedupEnabled ? 22 : 2,
                width: 20,
                height: 20,
                borderRadius: "50%",
                background: "#fff",
                transition: "left 0.2s",
                boxShadow: "0 1px 3px rgba(0,0,0,0.2)",
              }}
            />
          </button>
        </div>
        <div style={{ fontSize: 12, color: "#6b7280", marginTop: 4 }}>
          自动对画面做微调，避免查重不过
        </div>
      </div>
    </div>
  )
}

export default Step1EditMode