"use client";

import type { Block, FormRadioBlockProps } from "@/features/editor/state/editorStore";
import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";

interface FormRadioPropertiesPanelProps {
  block: Block;
  selectedBlockId: string | null;
  updateBlock: (id: string, partial: any) => void;
}

export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }: FormRadioPropertiesPanelProps) {
  if (!selectedBlockId || block.id !== selectedBlockId) return null;

  const radioProps = block.props as FormRadioBlockProps;

  return (
    <div className="space-y-3 text-xs">
      <h3 className="text-[11px] font-semibold text-slate-200">라디오 필드</h3>

      <label className="flex flex-col gap-1">
        <span className="text-slate-400">그룹 타이틀 타입</span>
        <select
          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
          value={radioProps.groupLabelMode ?? "text"}
          onChange={(e) =>
            updateBlock(selectedBlockId, {
              groupLabelMode: e.target.value,
            } as any)
          }
        >
          <option value="text">텍스트</option>
          <option value="image">이미지</option>
        </select>
      </label>

      <label className="flex flex-col gap-1">
        <span className="text-slate-400">그룹 타이틀</span>
        <input
          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
          value={radioProps.groupLabel ?? ""}
          onChange={(e) =>
            updateBlock(selectedBlockId, {
              groupLabel: e.target.value,
            } as any)
          }
        />
      </label>

      {radioProps.groupLabelMode === "image" && (() => {
        const source: "url" | "upload" =
          radioProps.groupLabelImageSource ??
          (radioProps.groupLabelImageUrl && radioProps.groupLabelImageUrl.startsWith("/api/image/")
            ? "upload"
            : "url");

        return (
          <div className="space-y-1">
            <label className="flex flex-col gap-1">
              <span className="text-slate-400">그룹 타이틀 이미지 소스</span>
              <select
                className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
                value={source}
                onChange={(e) =>
                  updateBlock(selectedBlockId, {
                    groupLabelImageSource: e.target.value,
                  } as any)
                }
              >
                <option value="url">URL</option>
                <option value="upload">파일 업로드</option>
              </select>
            </label>

            {source === "url" && (
              <label className="flex flex-col gap-1">
                <span className="text-slate-400">그룹 타이틀 이미지 URL</span>
                <input
                  className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
                  value={radioProps.groupLabelImageUrl ?? ""}
                  onChange={(e) =>
                    updateBlock(selectedBlockId, {
                      groupLabelImageUrl: e.target.value,
                    } as any)
                  }
                />
              </label>
            )}

            {source === "upload" && (
              <label className="flex flex-col gap-1">
                <span className="text-slate-400">그룹 타이틀 이미지 파일 업로드</span>
                <input
                  type="file"
                  accept="image/*"
                  className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
                  aria-label="그룹 타이틀 이미지 파일 업로드"
                  onChange={async (event) => {
                    const file = event.target.files?.[0];
                    if (!file) return;

                    try {
                      const formData = new FormData();
                      formData.append("file", file);

                      const response = await fetch("/api/image", {
                        method: "POST",
                        body: formData,
                      });

                      if (!response.ok) {
                        console.error("라디오 그룹 라벨 이미지 업로드 실패", await response.text());
                        return;
                      }

                      const data = (await response.json()) as { id: string; servedUrl?: string | null };
                      const servedUrl = data.servedUrl ?? `/api/image/${data.id}`;

                      updateBlock(selectedBlockId, {
                        groupLabelImageUrl: servedUrl,
                        groupLabelImageSource: "upload",
                      } as any);
                    } catch (error) {
                      console.error("라디오 그룹 라벨 이미지 업로드 중 오류", error);
                    } finally {
                      event.target.value = "";
                    }
                  }}
                />
              </label>
            )}
          </div>
        );
      })()}

      <label className="flex flex-col gap-1">
        <span className="text-slate-400">전송 키</span>
        <input
          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
          value={radioProps.formFieldName ?? ""}
          onChange={(e) =>
            updateBlock(selectedBlockId, {
              formFieldName: e.target.value,
            } as any)
          }
        />
      </label>

      <div className="space-y-2">
        <div className="flex items-center justify-between">
          <span className="text-slate-400">옵션</span>
          <button
            type="button"
            className="rounded border border-slate-700 bg-slate-900 px-2 py-0.5 text-[10px] text-slate-200 hover:bg-slate-800"
            onClick={() => {
              const next = Array.isArray((radioProps as any).options)
                ? [...(radioProps as any).options]
                : [];
              next.push({
                label: "새 옵션",
                value: `option_${next.length + 1}`,
              });
              updateBlock(selectedBlockId, {
                options: next,
              } as any);
            }}
          >
            옵션 추가
          </button>
        </div>
        <div className="space-y-2">
          <label className="flex flex-col gap-1">
            <span className="text-slate-400">옵션 이미지 소스</span>
            <select
              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
              value={(() => {
                if (radioProps.optionImageSource) return radioProps.optionImageSource;
                const first = (((radioProps as any).options ?? []) as any[])[0];
                if (first?.labelImageUrl && first.labelImageUrl.startsWith("/api/image/")) return "upload";
                return "url";
              })()}
              onChange={(e) =>
                updateBlock(selectedBlockId, {
                  optionImageSource: e.target.value,
                } as any)
              }
            >
              <option value="url">URL</option>
              <option value="upload">파일 업로드</option>
            </select>
          </label>

          {(((radioProps as any).options ?? []) as any[]).map((opt, index) => (
            <div key={opt.value ?? index} className="space-y-1 rounded border border-slate-800 p-2">
              <div className="flex items-center gap-1">
                <input
                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
                  placeholder="라벨"
                  value={opt.label ?? ""}
                  onChange={(e) => {
                    const next = [...(((radioProps as any).options ?? []) as any[])];
                    next[index] = {
                      ...next[index],
                      label: e.target.value,
                    };
                    updateBlock(selectedBlockId, {
                      options: next,
                    } as any);
                  }}
                />
                <input
                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
                  placeholder="값(value)"
                  value={opt.value ?? ""}
                  onChange={(e) => {
                    const next = [...(((radioProps as any).options ?? []) as any[])];
                    next[index] = {
                      ...next[index],
                      value: e.target.value,
                    };
                    updateBlock(selectedBlockId, {
                      options: next,
                    } as any);
                  }}
                />
                <button
                  type="button"
                  className="h-7 w-7 rounded border border-slate-700 bg-slate-950 text-[10px] text-slate-300 hover:bg-red-900/60 hover:border-red-700"
                  onClick={() => {
                    const next = (((radioProps as any).options ?? []) as any[]).filter((_, i) => i !== index);
                    updateBlock(selectedBlockId, {
                      options: next,
                    } as any);
                  }}
                >
                  ×
                </button>
              </div>
              <div className="flex flex-col gap-1">
                {(() => {
                  const source: "url" | "upload" =
                    radioProps.optionImageSource ??
                    (opt.labelImageUrl && opt.labelImageUrl.startsWith("/api/image/") ? "upload" : "url");

                  return (
                    <>
                      {source === "url" && (
                        <input
                          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
                          placeholder="옵션 이미지 URL (선택)"
                          value={opt.labelImageUrl ?? ""}
                          onChange={(e) => {
                            const next = [...(((radioProps as any).options ?? []) as any[])];
                            next[index] = {
                              ...next[index],
                              labelImageUrl: e.target.value,
                            };
                            updateBlock(selectedBlockId, {
                              options: next,
                            } as any);
                          }}
                        />
                      )}
                      {source === "upload" && (
                        <label className="flex flex-col gap-1">
                          <span className="text-slate-400">옵션 이미지 파일 업로드</span>
                          <input
                            type="file"
                            accept="image/*"
                            className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
                            aria-label="옵션 이미지 파일 업로드"
                            onChange={async (event) => {
                              const file = event.target.files?.[0];
                              if (!file) return;

                              try {
                                const formData = new FormData();
                                formData.append("file", file);

                                const response = await fetch("/api/image", {
                                  method: "POST",
                                  body: formData,
                                });

                                if (!response.ok) {
                                  console.error("라디오 옵션 라벨 이미지 업로드 실패", await response.text());
                                  return;
                                }

                                const data = (await response.json()) as { id: string; servedUrl?: string | null };
                                const servedUrl = data.servedUrl ?? `/api/image/${data.id}`;

                                const next = [...(((radioProps as any).options ?? []) as any[])];
                                next[index] = {
                                  ...next[index],
                                  labelImageUrl: servedUrl,
                                };

                                updateBlock(selectedBlockId, {
                                  options: next,
                                  optionImageSource: "upload",
                                } as any);
                              } catch (error) {
                                console.error("라디오 옵션 라벨 이미지 업로드 중 오류", error);
                              } finally {
                                event.target.value = "";
                              }
                            }}
                          />
                        </label>
                      )}
                    </>
                  );
                })()}
              </div>
            </div>
          ))}
        </div>
      </div>

      <label className="inline-flex items-center gap-2">
        <input
          type="checkbox"
          className="h-3 w-3 rounded border border-slate-600 bg-slate-900"
          checked={Boolean(radioProps.required)}
          onChange={(e) =>
            updateBlock(selectedBlockId, {
              required: e.target.checked,
            } as any)
          }
        />
        <span className="text-slate-400">필수 필드</span>
      </label>

      <div className="mt-3 space-y-2 border-t border-slate-800 pt-3">
        <h4 className="text-[11px] font-semibold text-slate-200">필드 스타일</h4>
        {/* 라디오 타이포 px 값을 직접 입력받아 em 스케일 변환 로직과 연동한다 */}
        <NumericPropertyControl
          label="라디오 텍스트 크기 (px)"
          unitLabel="(px)"
          value={(() => {
            const raw = radioProps.fontSizeCustom ?? "";
            const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
            if (match) return Number(match[1]);
            return 14;
          })()}
          min={8}
          max={40}
          step={1}
          presets={[
            { id: "xs", label: "XS", value: 12 },
            { id: "sm", label: "S", value: 14 },
            { id: "md", label: "M", value: 16 },
            { id: "lg", label: "L", value: 18 },
            { id: "xl", label: "XL", value: 20 },
          ]}
          onChangeValue={(v) => {
            updateBlock(selectedBlockId, {
              fontSizeCustom: `${v}px`,
            } as any);
          }}
        />
        {/* 줄간격 px 입력을 노출하여 preview 에서 em 변환 근거로 사용 */}
        <NumericPropertyControl
          label="라디오 줄간격 (px)"
          unitLabel="(px)"
          value={(() => {
            const raw = radioProps.lineHeightCustom ?? "";
            const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
            if (match) return Number(match[1]);
            return 20;
          })()}
          min={8}
          max={60}
          step={1}
          presets={[
            { id: "tight", label: "타이트", value: 18 },
            { id: "normal", label: "보통", value: 24 },
            { id: "loose", label: "루즈", value: 32 },
          ]}
          onChangeValue={(v) => {
            updateBlock(selectedBlockId, {
              lineHeightCustom: `${v}px`,
            } as any);
          }}
        />
        {/* 자간 px 입력 컨트롤로 프리뷰 적용 근거 제공 */}
        <NumericPropertyControl
          label="라디오 자간 (px)"
          unitLabel="(px)"
          value={(() => {
            const raw = radioProps.letterSpacingCustom ?? "";
            const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
            if (match) return Number(match[1]);
            return 0;
          })()}
          min={-10}
          max={20}
          step={0.5}
          presets={[
            { id: "tight", label: "좁게", value: -1 },
            { id: "normal", label: "보통", value: 0 },
            { id: "wide", label: "넓게", value: 2 },
          ]}
          onChangeValue={(v) => {
            updateBlock(selectedBlockId, {
              letterSpacingCustom: `${v}px`,
            } as any);
          }}
        />
        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
          <span>필드 너비</span>
          <select
            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
            value={radioProps.widthMode ?? "full"}
            onChange={(e) =>
              updateBlock(selectedBlockId, {
                widthMode: e.target.value,
              } as any)
            }
          >
            <option value="auto">자동</option>
            <option value="full">전체 폭</option>
            <option value="fixed">고정 값</option>
          </select>
        </label>
        {(radioProps.widthMode ?? "full") === "fixed" && (
          <NumericPropertyControl
            label="필드 고정 너비"
            unitLabel="(px)"
            value={radioProps.widthPx ?? 240}
            min={80}
            max={800}
            step={10}
            presets={[
              { id: "sm", label: "작게", value: 200 },
              { id: "md", label: "보통", value: 280 },
              { id: "lg", label: "넓게", value: 360 },
            ]}
            onChangeValue={(v) => {
              updateBlock(selectedBlockId, {
                widthPx: v,
              } as any);
            }}
          />
        )}
        <NumericPropertyControl
          label="라디오 가로 패딩 (px)"
          unitLabel="(px)"
          value={typeof radioProps.paddingX === "number" ? radioProps.paddingX : 12}
          min={0}
          max={60}
          step={2}
          presets={[
            { id: "xs", label: "아주 얇게", value: 6 },
            { id: "sm", label: "얇게", value: 10 },
            { id: "md", label: "보통", value: 12 },
            { id: "lg", label: "넓게", value: 16 },
            { id: "xl", label: "아주 넓게", value: 20 },
          ]}
          onChangeValue={(v) =>
            updateBlock(selectedBlockId, {
              paddingX: v,
            } as any)
          }
        />
        <NumericPropertyControl
          label="라디오 세로 패딩 (px)"
          unitLabel="(px)"
          value={typeof radioProps.paddingY === "number" ? radioProps.paddingY : 10}
          min={0}
          max={40}
          step={1}
          presets={[
            { id: "xs", label: "아주 얇게", value: 6 },
            { id: "sm", label: "얇게", value: 8 },
            { id: "md", label: "보통", value: 10 },
            { id: "lg", label: "넓게", value: 12 },
            { id: "xl", label: "아주 넓게", value: 16 },
          ]}
          onChangeValue={(v) =>
            updateBlock(selectedBlockId, {
              paddingY: v,
            } as any)
          }
        />
        <NumericPropertyControl
          label="라디오 옵션 간격 (px)"
          unitLabel="(px)"
          value={typeof radioProps.optionGapPx === "number" ? radioProps.optionGapPx : 4}
          min={0}
          max={40}
          step={1}
          presets={[
            { id: "tight", label: "타이트", value: 2 },
            { id: "normal", label: "보통", value: 4 },
            { id: "relaxed", label: "느슨", value: 8 },
            { id: "extra", label: "넓게", value: 12 },
          ]}
          onChangeValue={(v) =>
            updateBlock(selectedBlockId, {
              optionGapPx: v,
            } as any)
          }
        />
        <ColorPickerField
          label="텍스트 색상"
          ariaLabelColorInput="라디오 텍스트 색상 피커"
          ariaLabelHexInput="라디오 텍스트 색상 HEX"
          value={
            radioProps.textColorCustom && radioProps.textColorCustom.trim() !== ""
              ? radioProps.textColorCustom
              : "#f9fafb"
          }
          onChange={(hex) => {
            updateBlock(selectedBlockId, {
              textColorCustom: hex,
            } as any);
          }}
          palette={TEXT_COLOR_PALETTE}
          onPaletteSelect={(item) => {
            updateBlock(selectedBlockId, {
              textColorCustom: item.color,
            } as any);
          }}
        />
        <ColorPickerField
          label="배경 색상"
          ariaLabelColorInput="라디오 배경 색상 피커"
          ariaLabelHexInput="라디오 배경 색상 HEX"
          value={
            radioProps.fillColorCustom && radioProps.fillColorCustom.trim() !== ""
              ? radioProps.fillColorCustom
              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
          }
          onChange={(hex) => {
            updateBlock(selectedBlockId, {
              fillColorCustom: hex,
            } as any);
          }}
          palette={TEXT_COLOR_PALETTE}
          onPaletteSelect={(item) => {
            updateBlock(selectedBlockId, {
              fillColorCustom: item.color,
            } as any);
          }}
        />
        <ColorPickerField
          label="테두리 색상"
          ariaLabelColorInput="라디오 테두리 색상 피커"
          ariaLabelHexInput="라디오 테두리 색상 HEX"
          value={
            radioProps.strokeColorCustom && radioProps.strokeColorCustom.trim() !== ""
              ? radioProps.strokeColorCustom
              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
          }
          onChange={(hex) => {
            updateBlock(selectedBlockId, {
              strokeColorCustom: hex,
            } as any);
          }}
          palette={TEXT_COLOR_PALETTE}
          onPaletteSelect={(item) => {
            updateBlock(selectedBlockId, {
              strokeColorCustom: item.color,
            } as any);
          }}
        />
        <NumericPropertyControl
          label="필드 모서리 둥글기"
          value={(() => {
            const r = radioProps.borderRadius ?? "md";
            return r === "none" ? 0 : r === "sm" ? 2 : r === "lg" ? 6 : r === "full" ? 8 : 4;
          })()}
          min={0}
          max={8}
          step={1}
          presets={[
            { id: "none", label: "없음", value: 0 },
            { id: "sm", label: "작게", value: 2 },
            { id: "md", label: "보통", value: 4 },
            { id: "lg", label: "크게", value: 6 },
            { id: "full", label: "완전 둥글게", value: 8 },
          ]}
          onChangeValue={(v) => {
            const next =
              v <= 0 ? "none" : v <= 2 ? "sm" : v <= 5 ? "md" : v <= 7 ? "lg" : "full";
            updateBlock(selectedBlockId, {
              borderRadius: next,
            } as any);
          }}
        />
      </div>
    </div>
  );
}