import React from "react";
import lbry from "lbry";
import { Icon } from "component/common";
import Modal from "component/modal";
import rewards from "rewards";
import Link from "component/link";

export class RewardLink extends React.PureComponent {
  static propTypes = {
    type: React.PropTypes.string.isRequired,
    claimed: React.PropTypes.bool,
    onRewardClaim: React.PropTypes.func,
    onRewardFailure: React.PropTypes.func,
  };

  constructor(props) {
    super(props);

    this.state = {
      claimable: true,
      pending: false,
      errorMessage: null,
    };
  }

  refreshClaimable() {
    switch (this.props.type) {
      case "new_user":
        this.setState({ claimable: true });
        return;

      case "first_publish":
        lbry.claim_list_mine().then(list => {
          this.setState({
            claimable: list.length > 0,
          });
        });
        return;
    }
  }

  componentWillMount() {
    this.refreshClaimable();
  }

  claimReward() {
    this.setState({
      pending: true,
    });

    rewards
      .claimReward(this.props.type)
      .then(reward => {
        this.setState({
          pending: false,
          errorMessage: null,
        });
        if (this.props.onRewardClaim) {
          this.props.onRewardClaim(reward);
        }
      })
      .catch(error => {
        this.setState({
          errorMessage: error.message,
          pending: false,
        });
      });
  }

  clearError() {
    if (this.props.onRewardFailure) {
      this.props.onRewardFailure();
    }
    this.setState({
      errorMessage: null,
    });
  }

  render() {
    return (
      <div className="reward-link">
        {this.props.claimed
          ? <span><Icon icon="icon-check" /> {__("Reward claimed.")}</span>
          : <Link
              button={this.props.button ? this.props.button : "alt"}
              disabled={this.state.pending || !this.state.claimable}
              label={
                this.state.pending ? __("Claiming...") : __("Claim Reward")
              }
              onClick={() => {
                this.claimReward();
              }}
            />}
        {this.state.errorMessage
          ? <Modal
              isOpen={true}
              contentLabel={__("Reward Claim Error")}
              className="error-modal"
              onConfirmed={() => {
                this.clearError();
              }}
            >
              {this.state.errorMessage}
            </Modal>
          : ""}
      </div>
    );
  }
}