package fallbackStyle

import "image/color"
import "git.tebibyte.media/tomo/tomo"
import "golang.org/x/image/font/basicfont"
import "git.tebibyte.media/tomo/nasin/internal/style"

var colorFocus                 = color.RGBA { R:  61, G: 128, B: 143, A: 255 }
var colorInput                 = color.RGBA { R: 208, G: 203, B: 150, A: 255 }
var colorCarved                = color.RGBA { R: 151, G: 160, B: 150, A: 255 }
var colorGutter                = color.RGBA { R: 116, G: 132, B: 126, A: 255 }
var colorShadow                = color.RGBA { R:  57, G:  59, B:  57, A: 255 }
var colorShade                 = color.RGBA {                         A: 128 }
var colorInputShadow           = color.RGBA { R: 143, G: 146, B:  91, A: 255 }
var colorHighlight             = color.RGBA { R: 207, G: 215, B: 210, A: 255 }
var colorBackground            = color.RGBA { R: 169, G: 171, B: 168, A: 255 }
var colorCarvedPressed         = color.RGBA { R: 129, G: 142, B: 137, A: 255 }
var colorForeground            = color.Black
var colorOutline               = color.Black
var colorCalendarWeekdayHeader = color.RGBA { R: 194, G: 162, B: 132, A: 255 }
var colorCalendarWeekend       = color.RGBA { R: 165, G: 185, B: 120, A: 255 }
var colorCalendarDay           = color.RGBA { R: 194, G: 189, B: 132, A: 255 }
var colorInactive              = color.RGBA { R: 131, G: 147, B: 134, A: 255 }

var outline = tomo.Border {
	Width: tomo.I(1),
	Color: [4]color.Color {
		colorOutline,
		colorOutline,
		colorOutline,
		colorOutline,
	},
}

var borderColorOutline  = [4]color.Color { colorOutline,     colorOutline,   colorOutline,   colorOutline     }
var borderColorEngraved = [4]color.Color { colorShadow,      colorHighlight, colorHighlight, colorShadow      }
var borderColorLifted   = [4]color.Color { colorHighlight,   colorShadow,    colorShadow,    colorHighlight   }
var borderColorInput    = [4]color.Color { colorInputShadow, colorInput,     colorInput,     colorInputShadow }
var borderColorFocused  = [4]color.Color { colorFocus,       colorFocus,     colorFocus,     colorFocus       }
var borderColorShade    = [4]color.Color { colorShade,       colorShade,     colorShade,     colorShade       }

var rules = []style.Rule {
	// *.*[*]
	style.Rule {
		Default: style.AS (
			style.AttrFace      { Face:  basicfont.Face7x13    },
			style.AttrTextColor { Color: tomo.ColorForeground  },
			style.AttrDotColor  { Color: tomo.ColorAccent      },
			style.AttrGap       { X: 8, Y: 8                   },
		),
	},

	// *.Button[*]
	style.Rule {
		Role: tomo.R("", "Button", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorLifted,
				},
			},
			style.AttrPadding(tomo.I(4, 8)),
			style.AttrColor { Color: tomo.ColorRaised },
		),
		Pressed: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrPadding(tomo.I(5, 8, 4, 9)),
			style.AttrColor { Color: colorCarvedPressed },
		),
		Focused: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorFocused,
				},
			},
			style.AttrPadding(tomo.I(4, 8)),
		),
	},

	// *.TextInput[*]
	style.Rule {
		Role: tomo.R("", "TextInput", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorInput,
				},
			},
			style.AttrColor { Color: colorInput },
			style.AttrPadding(tomo.I(5, 4, 4, 5)),
		),
		Focused: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorFocused,
				},
			},
		),
	},

	// *.TextView[*]
	style.Rule {
		Role: tomo.R("", "TextView", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrColor { Color: tomo.ColorSunken },
			style.AttrPadding(tomo.I(8)),
		),
	},
	
	// *.NumberInput[*]
	style.Rule {
		Role: tomo.R("", "NumberInput", ""),
		Default: style.AS (
			style.AttrGap { },
		),
	},

	// *.Container[sunken]
	style.Rule {
		Role: tomo.R("", "Container", "sunken"),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrColor { Color: tomo.ColorSunken },
			style.AttrPadding(tomo.I(8)),
		),
	},

	// *.Container[outer]
	style.Rule {
		Role: tomo.R("", "Container", "outer"),
		Default: style.AS (
			style.AttrColor { Color: tomo.ColorBackground },
			style.AttrPadding(tomo.I(8)),
		),
	},

	// *.Container[menu]
	style.Rule {
		Role: tomo.R("", "Container", "menu"),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorLifted,
				},
			},
			style.AttrColor { Color: tomo.ColorBackground },
			style.AttrGap { },
		),
	},

	// *.Heading[*]
	style.Rule {
		Role: tomo.R("", "Heading", ""),
		Default: style.AS (
			style.AttrAlign { X: tomo.AlignMiddle, Y: tomo.AlignMiddle },
		),
	},

	// *.Separator[*]
	style.Rule {
		Role: tomo.R("", "Separator", ""),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorEngraved,
				},
			},
		),
	},

	// *.Slider[*]
	style.Rule {
		Role: tomo.R("", "Slider", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrColor { Color: colorGutter },
			style.AttrPadding(tomo.I(0, 1, 1, 0)),
		),
		Focused: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorFocused,
				},
			},
			style.AttrPadding(tomo.I(0)),
		),
	},
	
	// *.Slider[horizontal]
	style.Rule {
		Role: tomo.R("", "Slider", "horizontal"),
		Default: style.AS(style.AttrMinimumSize { X: 48 }),
	},
	
	// *.Slider[vertical]
	style.Rule {
		Role: tomo.R("", "Slider", "vertical"),
		Default: style.AS(style.AttrMinimumSize { Y: 48 }),
	},

	// *.SliderHandle[*]
	style.Rule {
		Role: tomo.R("", "SliderHandle", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorLifted,
				},
			},
			style.AttrColor { Color: tomo.ColorRaised },
			style.AttrMinimumSize { X: 12, Y: 12, },
		),
	},

	// *.Checkbox[*]
	style.Rule {
		Role: tomo.R("", "Checkbox", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrColor { Color: tomo.ColorSunken },
			style.AttrPadding(tomo.I(0, 1, 1, 0)),
			style.AttrMinimumSize { X: 19, Y: 19 },
		),
		Focused: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorFocused,
				},
			},
			style.AttrPadding(tomo.I(0)),
		),
	},

	// *.MenuItem[*]
	style.Rule {
		Role: tomo.R("", "MenuItem", ""),
		Default: style.AS (
			style.AttrPadding(tomo.I(4)),
			style.AttrGap { X: 4, Y: 4 },
			style.AttrColor { Color: color.Transparent },
		),
		Hovered: style.AS (
			style.AttrColor { Color: tomo.ColorAccent },
		),
		Focused: style.AS (
			style.AttrColor { Color: tomo.ColorAccent },
		),
	},

	// *.File[*]
	style.Rule {
		Role: tomo.R("", "File", ""),
		Default: style.AS (
			style.AttrColor { Color: color.Transparent },
		),
		Focused: style.AS (
			style.AttrColor { Color: tomo.ColorAccent },
		),
	},

	// *.TearLine[*]
	style.Rule {
		Role: tomo.R("", "TearLine", ""),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(3),
					Color: [4]color.Color {
						color.Transparent,
						color.Transparent,
						color.Transparent,
						color.Transparent,
					},
				},
			},
			style.AttrColor { Color: tomo.ColorForeground },
			style.AttrPadding(tomo.I(1, 0, 0, 1)),
		),
		Hovered: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(3),
					Color: borderColorFocused,
				},
			},
		),
		Focused: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(3),
					Color: borderColorFocused,
				},
			},
		),
	},
	
	// *.Calendar[*]
	style.Rule {
		Role: tomo.R("", "Calendar", ""),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(0, 1, 1, 0),
					Color: borderColorShade,
				},
				outline,
			},
			style.AttrColor { Color: colorInput },
			style.AttrPadding(tomo.I(2)),
			style.AttrGap { X: 2, Y: 2 },
		),
	},
	
	// *.CalendarGrid[*]
	style.Rule {
		Role: tomo.R("", "CalendarGrid", ""),
		Default: style.AS (
			style.AttrGap { X: 2, Y: 2 },
		),
	},
	
	// *.CalendarWeekdayHeader[*]
	style.Rule {
		Role: tomo.R("", "CalendarWeekdayHeader", ""),
		Default: style.AS (
			style.AttrPadding(tomo.I(2)),
			style.AttrColor { Color: colorCalendarWeekdayHeader },
		),
	},
	
	// *.CalendarDay[weekday]
	style.Rule {
		Role: tomo.R("", "CalendarDay", "weekday"),
		Default: style.AS (
			style.AttrPadding(tomo.I(2)),
			style.AttrMinimumSize { X: 32, Y: 32 },
			style.AttrColor { Color: colorCalendarDay },
		),
	},

	// *.CalendarDay[weekend]
	style.Rule {
		Role: tomo.R("", "CalendarDay", "weekend"),
		Default: style.AS (
			style.AttrPadding(tomo.I(2)),
			style.AttrMinimumSize { X: 32, Y: 32 },
			style.AttrColor { Color: colorCalendarWeekend },
		),
	},
	
	// *.TabbedContainer[*]
	style.Rule {
		Role: tomo.R("", "TabbedContainer", ""),
		Default: style.AS (
			style.AttrGap { },
		),
	},
	
	// *.TabRow[*]
	style.Rule {
		Role: tomo.R("", "TabRow", ""),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(1, 1, 0, 1),
					Color: borderColorOutline,
				},
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrGap { X: 0, Y: 0 },
			style.AttrColor { Color: colorGutter },
			style.AttrPadding(tomo.I(1, 0, 0, 0)),
		),
	},
	
	// *.TabSpacer[left]
	style.Rule {
		Role: tomo.R("", "TabSpacer", "left"),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(0, 0, 1, 0),
					Color: borderColorEngraved,
				},
				tomo.Border {
					Width: tomo.I(0, 0, 1, 0),
					Color: borderColorOutline,
				},
			},
			style.AttrMinimumSize { X: 1 },
		),
	},
	
	// *.TabSpacer[right]
	style.Rule {
		Role: tomo.R("", "TabSpacer", "right"),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(1, 0, 0, 0),
					Color: [4]color.Color {
						colorGutter, colorGutter,
						colorGutter, colorGutter,
					},
				},
				tomo.Border {
					Width: tomo.I(0, 0, 1, 0),
					Color: borderColorEngraved,
				},
				tomo.Border {
					Width: tomo.I(0, 0, 1, 1),
					Color: borderColorOutline,
				},
				tomo.Border {
					Width: tomo.I(0, 0, 0, 1),
					Color: borderColorShade,
				},
			},
			style.AttrMinimumSize { X: 3 },
		),
	},
	
	// *.Tab[*]
	style.Rule {
		Role: tomo.R("", "Tab", ""),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(1, 0, 0, 0),
					Color: [4]color.Color {
						colorGutter, colorGutter,
						colorGutter, colorGutter,
					},
				},
				tomo.Border {
					Width: tomo.I(0, 0, 1, 0),
					Color: borderColorEngraved,
				},
				tomo.Border {
					Width: tomo.I(1, 0, 1, 1),
					Color: borderColorOutline,
				},
				tomo.Border {
					Width: tomo.I(1, 1, 0, 1),
					Color: borderColorLifted,
				},
			},
			style.AttrPadding(tomo.I(4, 8, 4, 8)),
			style.AttrColor { Color: tomo.ColorRaised },
		),
	},
	
	// *.Tab[active]
	style.Rule {
		Role: tomo.R("", "Tab", "active"),
		Default: style.AS (
			style.AttrBorder {
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorOutline,
				},
				tomo.Border {
					Width: tomo.I(1, 1, 0, 1),
					Color: borderColorLifted,
				},
			},
			style.AttrPadding(tomo.I(4, 8, 4, 8)),
			style.AttrColor { Color: tomo.ColorBackground },
		),
	},

	// *.Swatch[*]
	style.Rule {
		Role: tomo.R("", "Swatch", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
			},
			style.AttrMinimumSize { X: 19, Y: 19 },
		),
		Focused: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1),
					Color: borderColorFocused,
				},
			},
		),
	},

	// *.ColorPickerMap[*]
	style.Rule {
		Role: tomo.R("", "ColorPickerMap", ""),
		Default: style.AS (
			style.AttrBorder {
				outline,
				tomo.Border {
					Width: tomo.I(1, 0, 0, 1),
					Color: borderColorEngraved,
				},
			},
			style.AttrColor { Color: tomo.ColorSunken },
			style.AttrMinimumSize { X: 128, Y: 128 },
		),
	},
}