import React from 'react';
import {
  Defs,
  G,
  LinearGradient,
  Path,
  Stop,
  Svg,
  Text,
  TSpan,
} from 'react-native-svg';

function TextExample() {
  return (
    <Svg height="30" width="100">
      <Text x="50" y="9" fill="red" textAnchor="middle">
        I love SVG!
      </Text>
    </Svg>
  );
}
TextExample.title = 'Text';

function TextRotate() {
  return (
    <Svg height="60" width="200">
      <Text x="0" y="15" fill="red" rotate="30" origin="20,40">
        I love SVG
      </Text>
      <Text x="95" y="47" fill="blue" rotate="-25" origin="95, 20">
        I love SVG
      </Text>
      <Text x="126" y="5" fill="#f60" rotate="106" scale="1.36" origin="140, 0">
        I love SVG
      </Text>
    </Svg>
  );
}
TextRotate.title = 'Transform the text';

function TextStroke() {
  return (
    <Svg height="60" width="200">
      <Defs>
        <LinearGradient id="text-stroke-grad" x1="0%" y1="0%" x2="100%" y2="0%">
          <Stop offset="0%" stopColor="blue" stopOpacity="0.5" />
          <Stop offset="100%" stopColor="red" stopOpacity="1" />
        </LinearGradient>
      </Defs>
      <Text
        stroke="url(#text-stroke-grad)"
        strokeWidth="2"
        fill="none"
        fontSize="30"
        fontWeight="bold"
        x="100"
        y="20">
        <TSpan textAnchor="middle">{['STROKE TEXT']}</TSpan>
      </Text>
    </Svg>
  );
}
TextStroke.title = 'Stroke the text';

function TextFill() {
  return (
    <Svg height="60" width="200">
      <Defs>
        <LinearGradient id="text-fill-grad" x1="0%" y1="0%" x2="100%" y2="0%">
          <Stop offset="0%" stopColor="rgb(255,255,0)" stopOpacity="0.5" />
          <Stop offset="100%" stopColor="red" stopOpacity="1" />
        </LinearGradient>
      </Defs>

      <Text
        fill="url(#text-fill-grad)"
        stroke="purple"
        strokeWidth="1"
        fontSize="20"
        fontWeight="bold"
        x="100"
        y="20"
        textAnchor="middle">
        FILL TEXT
      </Text>
    </Svg>
  );
}
TextFill.title = 'Fill the text with LinearGradient';

const path = `
M 10 20
C 40 10 60  0 80 10
C 100 20 120 30 140 20
C 160 10 180 10 180 10
`;
function TextPathExample() {
  return (
    <Svg height="100" width="200">
      <Defs>
        <Path id="textpath" d={path} />
      </Defs>
      <G y="20">
        <Text fill="blue">TextPath not implemented</Text>
        <Path d={path} fill="none" stroke="red" strokeWidth="1" />
      </G>
    </Svg>
  );
}

function TSpanExample() {
  return (
    <Svg height="160" width="200">
      <Text y="20" dx="5 5" fill="black">
        <TSpan x="10">tspan line 1</TSpan>
        <TSpan x="10" dy="15">
          tspan line 2
        </TSpan>
        <TSpan x="10" dx="10" dy="15">
          tspan line 3
        </TSpan>
      </Text>
      <Text x="10" y="60" fill="red" fontSize="14">
        <TSpan dy="5 10 20">12345</TSpan>
        <TSpan fill="blue" dy="15" dx="0 5 5">
          <TSpan>6</TSpan>
          <TSpan>7</TSpan>
        </TSpan>
        <TSpan dx="0 10 20" dy="0 20" fontWeight="bold" fontSize="12">
          89a
        </TSpan>
      </Text>
      <Text y="140" dx="0 5 5" dy="0 -5 -5" fill="black">
        delta on text
      </Text>
    </Svg>
  );
}
TSpanExample.title = 'TSpan nest';

const icon = (
  <Svg height="30" width="30" viewBox="0 0 100 100">
    <Text x="0" y="80" fontSize="100" fill="blue">
      字
    </Text>
  </Svg>
);
const samples = [
  TextExample,
  TextRotate,
  TextStroke,
  TextFill,
  TextPathExample,
  TSpanExample,
];

export {icon, samples};