// @flow

import { PixelRatio, StatusBar } from "react-native";

import variable from "./../variables/platform";

export default (variables /*: * */ = variable) => {
  const platformStyle = variables.platformStyle;
  const platform = variables.platform;

  const headerTheme = {
    ".span": {
      height: 128,
      "NativeBase.Left": {
        alignSelf: "flex-start"
      },
      "NativeBase.Body": {
        alignSelf: "flex-end",
        alignItems: "flex-start",
        justifyContent: "center",
        paddingBottom: 26
      },
      "NativeBase.Right": {
        alignSelf: "flex-start"
      }
    },
    ".hasSubtitle": {
      "NativeBase.Body": {
        "NativeBase.Title": {
          fontSize: variables.titleFontSize - 2,
          fontFamily: variables.titleFontfamily,
          textAlign: "center",
          fontWeight: "500",
          paddingBottom: 3
        },
        "NativeBase.Subtitle": {
          fontSize: variables.subTitleFontSize,
          fontFamily: variables.titleFontfamily,
          color: variables.subtitleColor,
          textAlign: "center"
        }
      }
    },
    ".transparent": {
      backgroundColor: "transparent",
      borderBottomColor: "transparent",
      elevation: 0,
      shadowColor: null,
      shadowOffset: null,
      shadowRadius: null,
      shadowOpacity: null,
      paddingTop: platform === "android" ? StatusBar.currentHeight : undefined,
      height: platform === "android" ? variables.toolbarHeight + StatusBar.currentHeight : variables.toolbarHeight
    },
    ".noShadow": {
      elevation: 0,
      shadowColor: null,
      shadowOffset: null,
      shadowRadius: null,
      shadowOpacity: null
    },
    ".hasTabs": {
      elevation: 0,
      shadowColor: null,
      shadowOffset: null,
      shadowRadius: null,
      shadowOpacity: null,
      borderBottomWidth: null
    },
    ".hasSegment": {
      elevation: 0,
      shadowColor: null,
      shadowOffset: null,
      shadowRadius: null,
      shadowOpacity: null,
      borderBottomWidth: null,
      "NativeBase.Left": {
        flex: 0.3
      },
      "NativeBase.Right": {
        flex: 0.3
      },
      "NativeBase.Body": {
        flex: 1,
        "NativeBase.Segment": {
          marginRight: 0,
          alignSelf: "center",
          "NativeBase.Button": {
            paddingLeft: 0,
            paddingRight: 0
          }
        }
      }
    },
    ".noLeft": {
      "NativeBase.Left": {
        width: platform === "ios" ? undefined : 0,
        flex: platform === "ios" ? 1 : 0
      },
      "NativeBase.Body": {
        "NativeBase.Title": {
          paddingLeft: platform === "ios" ? undefined : 10
        },
        "NativeBase.Subtitle": {
          paddingLeft: platform === "ios" ? undefined : 10
        }
      }
    },
    "NativeBase.Button": {
      justifyContent: "center",
      alignSelf: "center",
      alignItems: "center",
      ".transparent": {
        "NativeBase.Text": {
          color: variables.toolbarBtnTextColor,
          fontWeight: "600"
        },
        "NativeBase.Icon": {
          color: variables.toolbarBtnColor
        },
        "NativeBase.IconNB": {
          color: variables.toolbarBtnColor
        },
        paddingHorizontal: variables.buttonPadding
      },
      paddingHorizontal: 15
    },
    ".searchBar": {
      "NativeBase.Item": {
        "NativeBase.Icon": {
          backgroundColor: "transparent",
          color: variables.dropdownLinkColor,
          fontSize: variables.toolbarSearchIconSize,
          alignItems: "center",
          marginTop: 2,
          paddingRight: 10,
          paddingLeft: 10
        },
        "NativeBase.IconNB": {
          backgroundColor: "transparent",
          color: null,
          alignSelf: "center"
        },
        "NativeBase.Input": {
          alignSelf: "center",
          lineHeight: null,
          height: variables.searchBarInputHeight
        },
        alignSelf: "center",
        alignItems: "center",
        justifyContent: "flex-start",
        flex: 1,
        height: variables.searchBarHeight,
        borderColor: "transparent",
        backgroundColor: variables.toolbarInputColor
      },
      "NativeBase.Button": {
        ".transparent": {
          "NativeBase.Text": {
            fontWeight: "500"
          },
          paddingHorizontal: null,
          paddingLeft: platform === "ios" ? 10 : null
        },
        paddingHorizontal: platform === "ios" ? undefined : null,
        width: platform === "ios" ? undefined : 0,
        height: platform === "ios" ? undefined : 0
      }
    },
    ".rounded": {
      "NativeBase.Item": {
        borderRadius:
          platform === "ios" && platformStyle !== "material" ? 25 : 3
      }
    },
    "NativeBase.Left": {
      "NativeBase.Button": {
        ".hasText": {
          marginLeft: -10,
          height: 30,
          "NativeBase.Icon": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize,
            marginTop: 2,
            marginRight: 5,
            marginLeft: 2
          },
          "NativeBase.Text": {
            color: variables.toolbarBtnTextColor,
            fontSize: platform === "ios" ? 17 : 0,
            marginLeft: 7,
            lineHeight: 19.5
          },
          "NativeBase.IconNB": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize,
            marginTop: 2,
            marginRight: 5,
            marginLeft: 2
          }
        },
        ".transparent": {
          marginLeft:
            platform === "ios" && platformStyle !== "material" ? -3 : 0,
          "NativeBase.Icon": {
            color: variables.toolbarBtnColor,
            fontSize:
              platform === "ios" && variables.platformStyle !== "material"
                ? variables.iconHeaderSize + 1
                : variables.iconHeaderSize,
            marginTop: 0,
            marginRight: 2,
            marginLeft: 1,
            paddingTop: 1
          },
          "NativeBase.IconNB": {
            color: variables.toolbarBtnColor,
            fontSize:
              platform === "ios" && variables.platformStyle !== "material"
                ? variables.iconHeaderSize + 1
                : variables.iconHeaderSize - 2,
            marginTop: 0,
            marginRight: 2,
            marginLeft: 1,
            paddingTop: 1
          },
          "NativeBase.Text": {
            color: variables.toolbarBtnTextColor,
            fontSize: platform === "ios" ? 17 : 0,
            top: platform === "ios" ? 1 : -1.5,
            paddingLeft:
              platform === "ios" && platformStyle !== "material" ? 2 : 5,
            paddingRight:
              platform === "ios" && platformStyle !== "material"
                ? undefined
                : 10
          },
          backgroundColor: "transparent",
          borderColor: null,
          elevation: 0,
          shadowColor: null,
          shadowOffset: null,
          shadowRadius: null,
          shadowOpacity: null
        },
        "NativeBase.Icon": {
          color: variables.toolbarBtnColor
        },
        "NativeBase.IconNB": {
          color: variables.toolbarBtnColor
        },
        alignSelf: null,
        paddingRight: variables.buttonPadding,
        paddingLeft: platform === "ios" && platformStyle !== "material" ? 4 : 8
      },
      flex: platform === "ios" && platformStyle !== "material" ? 1 : 0.4,
      alignSelf: "center",
      alignItems: "flex-start"
    },
    "NativeBase.Body": {
      flex: 1,
      alignItems:
        platform === "ios" && platformStyle !== "material"
          ? "center"
          : "flex-start",
      alignSelf: "center",
      "NativeBase.Segment": {
        borderWidth: 0,
        alignSelf: "flex-end",
        marginRight: platform === "ios" ? -40 : -55
      },
      "NativeBase.Button": {
        alignSelf: "center",
        ".transparent": {
          backgroundColor: "transparent"
        },
        "NativeBase.Icon": {
          color: variables.toolbarBtnColor
        },
        "NativeBase.IconNB": {
          color: variables.toolbarBtnColor
        },
        "NativeBase.Text": {
          color: variables.inverseTextColor,
          backgroundColor: "transparent"
        }
      }
    },
    "NativeBase.Right": {
      "NativeBase.Button": {
        ".hasText": {
          height: 30,
          "NativeBase.Icon": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize - 2,
            marginTop: 2,
            marginRight: 2,
            marginLeft: 5
          },
          "NativeBase.Text": {
            color: variables.toolbarBtnTextColor,
            fontSize: platform === "ios" ? 17 : 14,
            lineHeight: 19.5
          },
          "NativeBase.IconNB": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize - 2,
            marginTop: 2,
            marginRight: 2,
            marginLeft: 5
          }
        },
        ".transparent": {
          marginRight: platform === "ios" ? -9 : -5,
          paddingLeft: 15,
          paddingRight: 12,
          paddingHorizontal: 15,
          borderRadius: 50,
          "NativeBase.Icon": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize - 2,
            marginTop: 0,
            marginLeft: 2,
            marginRight: 0
            // paddingTop: 0
          },
          "NativeBase.IconNB": {
            color: variables.toolbarBtnColor,
            fontSize: variables.iconHeaderSize - 2,
            marginTop: 0,
            marginLeft: 2,
            marginRight: 0
            // paddingTop: 0
          },
          "NativeBase.Text": {
            color: variables.toolbarBtnTextColor,
            fontSize: platform === "ios" ? 17 : 14,
            top: platform === "ios" ? 1 : -1.5,
            paddingRight:
              platform === "ios" && variables.platformStyle !== "material"
                ? 0
                : undefined
          },
          backgroundColor: "transparent",
          borderColor: null,
          elevation: 0,
          shadowColor: null,
          shadowOffset: null,
          shadowRadius: null,
          shadowOpacity: null
        },
        "NativeBase.Icon": {
          color: variables.toolbarBtnColor
        },
        "NativeBase.IconNB": {
          color: variables.toolbarBtnColor
        },
        alignSelf: null,
        paddingHorizontal: variables.buttonPadding
      },
      flex: 1,
      alignSelf: "center",
      alignItems: "flex-end",
      flexDirection: "row",
      justifyContent: "flex-end"
    },
    backgroundColor: variables.toolbarDefaultBg,
    flexDirection: "row",
    // paddingHorizontal: 10,
    paddingLeft:
      platform === "ios" && variables.platformStyle !== "material" ? 6 : 10,
    paddingRight: 10,
    justifyContent: "center",
    paddingTop: platform === "ios" ? 18 : 0,
    borderBottomWidth:
      platform === "ios" ? 1 / PixelRatio.getPixelSizeForLayoutSize(1) : 0,
    borderBottomColor: variables.toolbarDefaultBorder,
    height:
      variables.platform === "ios" && variables.platformStyle === "material"
        ? variables.toolbarHeight + 10
        : variables.toolbarHeight,
    elevation: 3,
    shadowColor: platformStyle === "material" ? "#000" : undefined,
    shadowOffset:
      platformStyle === "material" ? { width: 0, height: 2 } : undefined,
    shadowOpacity: platformStyle === "material" ? 0.2 : undefined,
    shadowRadius: platformStyle === "material" ? 1.2 : undefined,
    top: 0,
    left: 0,
    right: 0
  };

  return headerTheme;
};