import React, { useCallback } from 'react';
import { useEditor } from '@craftjs/core';
import {
  BG_COLORS,
  SPACING_PRESETS,
  RADIUS_PRESETS,
} from '../../../constants/presets';
import {
  StylePanelProps,
  SectionLabel,
  ColorSwatchGrid,
  PresetButtonGrid,
  CollapsibleSection,
  ColorPickerField,
  ArrayPropEditor,
  labelStyle,
  inputStyle,
  smallInputStyle,
  sectionGap,
} from './shared';

/* ---------- SECTION-TYPE (Accordion, Tabs, Pricing, Testimonials, etc.) ---------- */
export const SectionTypePanel: React.FC<StylePanelProps & { typeName: string }> = ({ selectedId, nodeProps, typeName }) => {
  const { actions } = useEditor();

  const setProp = useCallback((key: string, value: any) => {
    actions.setProp(selectedId, (props: any) => { props[key] = value; });
  }, [actions, selectedId]);

  const setPropStyle = useCallback((key: string, value: string) => {
    actions.setProp(selectedId, (props: any) => {
      props.style = { ...props.style, [key]: value };
    });
  }, [actions, selectedId]);

  const style = nodeProps.style || {};

  // Find all string/number/boolean props
  const SKIP_PROPS = new Set(['style', 'children', 'cssId', 'cssClass']);
  const scalarProps = Object.entries(nodeProps).filter(
    ([key, val]) => !SKIP_PROPS.has(key) && (typeof val === 'string' || typeof val === 'number' || typeof val === 'boolean')
  );
  const colorProps = scalarProps.filter(([key]) => /color/i.test(key));
  const otherScalarProps = scalarProps.filter(([key]) => !/color/i.test(key));
  const arrayProps = Object.entries(nodeProps).filter(([key, val]) => !SKIP_PROPS.has(key) && Array.isArray(val));

  return (
    <>
      {/* Content props */}
      {otherScalarProps.length > 0 && (
        <CollapsibleSection title="Content">
          {otherScalarProps.map(([key, val]) => {
            const humanLabel = key.replace(/([A-Z])/g, ' $1').trim();
            if (typeof val === 'boolean') {
              return (
                <div key={key} style={sectionGap}>
                  <label style={{ ...labelStyle, display: 'flex', alignItems: 'center', gap: 6, cursor: 'pointer' }}>
                    <input type="checkbox" checked={val} onChange={(e) => setProp(key, e.target.checked)} />
                    {humanLabel}
                  </label>
                </div>
              );
            }
            if (typeof val === 'number') {
              return (
                <div key={key} style={sectionGap}>
                  <label style={labelStyle}>{humanLabel}</label>
                  <input type="number" value={val} onChange={(e) => setProp(key, parseFloat(e.target.value) || 0)} style={inputStyle} />
                </div>
              );
            }
            // String - use textarea for long values
            const isLong = String(val).length > 60;
            return (
              <div key={key} style={sectionGap}>
                <label style={labelStyle}>{humanLabel}</label>
                {isLong ? (
                  <textarea value={String(val)} onChange={(e) => setProp(key, e.target.value)} rows={3} style={{ ...inputStyle, resize: 'vertical' }} />
                ) : (
                  <input type="text" value={String(val)} onChange={(e) => setProp(key, e.target.value)} style={inputStyle} />
                )}
              </div>
            );
          })}
        </CollapsibleSection>
      )}

      {/* Color props */}
      {colorProps.length > 0 && (
        <CollapsibleSection title="Colors">
          {colorProps.map(([key, val]) => (
            <ColorPickerField key={key} label={key.replace(/([A-Z])/g, ' $1').trim()} value={String(val)} onChange={(v) => setProp(key, v)} />
          ))}
        </CollapsibleSection>
      )}

      {/* Array props (features, items, plans, testimonials, etc.) */}
      {arrayProps.map(([key, items]) => {
        const arrayItems = items as any[];
        if (arrayItems.length === 0 && typeof arrayItems[0] !== 'object') return null;
        const sampleItem = arrayItems[0] || {};
        const itemFields = typeof sampleItem === 'object' && sampleItem !== null ? Object.keys(sampleItem) : [];

        return (
          <CollapsibleSection key={key} title={key.replace(/([A-Z])/g, ' $1').trim()}>
            <ArrayPropEditor
              selectedId={selectedId}
              propKey={key}
              items={arrayItems}
              renderItem={(item: any, index: number) => {
                if (typeof item !== 'object' || item === null) {
                  return (
                    <input
                      type="text"
                      value={String(item)}
                      onChange={(e) => {
                        actions.setProp(selectedId, (props: any) => {
                          const updated = [...(props[key] || [])];
                          updated[index] = e.target.value;
                          props[key] = updated;
                        });
                      }}
                      style={smallInputStyle}
                    />
                  );
                }
                return (
                  <div style={{ display: 'flex', flexDirection: 'column', gap: 3 }}>
                    {itemFields.map((field) => {
                      const fieldVal = item[field];
                      if (typeof fieldVal === 'boolean') {
                        return (
                          <label key={field} style={{ fontSize: 10, color: '#71717a', display: 'flex', alignItems: 'center', gap: 4, cursor: 'pointer' }}>
                            <input type="checkbox" checked={fieldVal} onChange={(e) => {
                              actions.setProp(selectedId, (props: any) => {
                                const updated = [...(props[key] || [])];
                                updated[index] = { ...updated[index], [field]: e.target.checked };
                                props[key] = updated;
                              });
                            }} />
                            {field}
                          </label>
                        );
                      }
                      if (typeof fieldVal === 'number') {
                        return (
                          <div key={field}>
                            <label style={{ fontSize: 9, color: '#52525b', textTransform: 'capitalize' }}>{field}</label>
                            <input type="number" value={fieldVal} onChange={(e) => {
                              actions.setProp(selectedId, (props: any) => {
                                const updated = [...(props[key] || [])];
                                updated[index] = { ...updated[index], [field]: parseFloat(e.target.value) || 0 };
                                props[key] = updated;
                              });
                            }} style={smallInputStyle} />
                          </div>
                        );
                      }
                      // color fields
                      if (/color/i.test(field) && typeof fieldVal === 'string') {
                        return (
                          <div key={field} style={{ display: 'flex', alignItems: 'center', gap: 4 }}>
                            <label style={{ fontSize: 9, color: '#52525b', textTransform: 'capitalize', width: 50 }}>{field}</label>
                            <input type="color" value={fieldVal || '#000000'} onChange={(e) => {
                              actions.setProp(selectedId, (props: any) => {
                                const updated = [...(props[key] || [])];
                                updated[index] = { ...updated[index], [field]: e.target.value };
                                props[key] = updated;
                              });
                            }} style={{ width: 24, height: 20, border: 'none', cursor: 'pointer', background: 'none', padding: 0 }} />
                          </div>
                        );
                      }
                      // long text
                      const strVal = String(fieldVal ?? '');
                      const isLongField = strVal.length > 50 || field === 'description' || field === 'text' || field === 'content';
                      return (
                        <div key={field}>
                          <label style={{ fontSize: 9, color: '#52525b', textTransform: 'capitalize' }}>{field}</label>
                          {isLongField ? (
                            <textarea value={strVal} onChange={(e) => {
                              actions.setProp(selectedId, (props: any) => {
                                const updated = [...(props[key] || [])];
                                updated[index] = { ...updated[index], [field]: e.target.value };
                                props[key] = updated;
                              });
                            }} rows={2} style={{ ...smallInputStyle, resize: 'vertical' }} />
                          ) : (
                            <input type="text" value={strVal} onChange={(e) => {
                              actions.setProp(selectedId, (props: any) => {
                                const updated = [...(props[key] || [])];
                                updated[index] = { ...updated[index], [field]: e.target.value };
                                props[key] = updated;
                              });
                            }} style={smallInputStyle} />
                          )}
                        </div>
                      );
                    })}
                  </div>
                );
              }}
              emptyItem={typeof sampleItem === 'object' && sampleItem !== null
                ? Object.fromEntries(itemFields.map((f) => [f, typeof sampleItem[f] === 'number' ? 0 : typeof sampleItem[f] === 'boolean' ? false : '']))
                : ''
              }
            />
          </CollapsibleSection>
        );
      })}

      {/* Style */}
      <CollapsibleSection title="Style" defaultOpen={false}>
        <div className="guided-section">
          <SectionLabel>Background</SectionLabel>
          <ColorSwatchGrid colors={BG_COLORS} activeValue={style.backgroundColor} onSelect={(v: string) => setPropStyle('backgroundColor', v)} />
        </div>
        <div className="guided-section">
          <SectionLabel>Padding</SectionLabel>
          <PresetButtonGrid presets={SPACING_PRESETS} activeValue={style.padding as string} onSelect={(v) => setPropStyle('padding', v)} />
        </div>
        <div className="guided-section">
          <SectionLabel>Text Alignment</SectionLabel>
          <div className="preset-grid align-grid">
            {(['left', 'center', 'right'] as const).map((a) => (
              <button key={a} className={`preset-btn ${style.textAlign === a ? 'active' : ''}`} onClick={() => setPropStyle('textAlign', a)} title={a}>
                <i className={`fa fa-align-${a}`} />
              </button>
            ))}
          </div>
        </div>
        <div className="guided-section">
          <SectionLabel>Border Radius</SectionLabel>
          <PresetButtonGrid presets={RADIUS_PRESETS} activeValue={style.borderRadius as string} onSelect={(v) => setPropStyle('borderRadius', v)} />
        </div>
      </CollapsibleSection>
    </>
  );
};
