# client/scripts/theme/build_game_theme.gd
@tool
extends SceneTree
## One-shot Theme builder. Run headless:
##   godot --headless -s res://scripts/theme/build_game_theme.gd
## Constructs game_theme.tres from Palette + the bundled fonts and saves it.
## The builder is the source of truth; the .tres is a committed artifact.
## §2: presentation.

const Palette = preload("res://scripts/theme/palette.gd")
const ThemeKeys = preload("res://scripts/theme/theme_keys.gd")

const OUT := "res://assets/theme/game_theme.tres"
const SERIF := "res://assets/theme/fonts/EBGaramond-VariableFont_wght.ttf"
const ACCENT := "res://assets/theme/fonts/ArchitectsDaughter-Regular.ttf"
const MONO := "res://assets/theme/fonts/JetBrainsMono-VariableFont_wght.ttf"


func _init() -> void:
	var theme := Theme.new()
	_fonts(theme)
	_primary_cta(theme)
	_tabs(theme)
	_chip(theme)
	_tiles(theme)
	_cards_and_panels(theme)
	var err := ResourceSaver.save(theme, OUT)
	if err != OK:
		push_error("theme save failed: %d" % err)
	else:
		print("wrote ", OUT)
	quit()


func _flat(bg: Color, border: Color, width := 1, radius := 4) -> StyleBoxFlat:
	var s := StyleBoxFlat.new()
	s.bg_color = bg
	s.border_color = border
	s.set_border_width_all(width)
	s.set_corner_radius_all(radius)
	s.content_margin_left = 12
	s.content_margin_right = 12
	s.content_margin_top = 6
	s.content_margin_bottom = 6
	return s


func _fonts(theme: Theme) -> void:
	var serif: FontFile = load(SERIF)
	# Global defaults: prose serif at body size.
	theme.default_font = serif
	theme.default_font_size = 18
	# Heading role via the Label "Heading" variation.
	theme.set_type_variation(&"Heading", "Label")
	theme.set_font(&"font", &"Heading", serif)
	theme.set_font_size(&"font_size", &"Heading", 34)
	theme.set_color(&"font_color", &"Heading", Palette.INK_HEADING)
	# Accent (hand-inked) role.
	theme.set_type_variation(&"Accent", "Label")
	theme.set_font(&"font", &"Accent", load(ACCENT))
	theme.set_font_size(&"font_size", &"Accent", 24)
	theme.set_color(&"font_color", &"Accent", Palette.INK_GOLD)
	# Mono chrome role.
	theme.set_type_variation(&"Mono", "Label")
	theme.set_font(&"font", &"Mono", load(MONO))
	theme.set_font_size(&"font_size", &"Mono", 13)
	theme.set_color(&"font_color", &"Mono", Palette.MUTED_MONO)


func _primary_cta(theme: Theme) -> void:
	var k := ThemeKeys.PRIMARY_CTA
	theme.set_type_variation(k, "Button")
	theme.set_stylebox(&"normal", k, _flat(Palette.BLOOD, Palette.BLOOD, 1, 4))
	theme.set_stylebox(&"hover", k, _flat(Palette.BLOOD_BRIGHT, Palette.BLOOD, 1, 4))
	theme.set_stylebox(&"pressed", k, _flat(Palette.BLOOD_DARK, Palette.BLOOD, 1, 4))
	theme.set_color(&"font_color", k, Palette.CREAM_BRIGHT)


func _tabs(theme: Theme) -> void:
	theme.set_type_variation(ThemeKeys.TAB, "Button")
	theme.set_stylebox(&"normal", ThemeKeys.TAB, _flat(Palette.TAB_INACTIVE_BG, Palette.PARCHMENT_BORDER_2, 1, 14))
	theme.set_color(&"font_color", ThemeKeys.TAB, Palette.INK_MUTED)
	theme.set_type_variation(ThemeKeys.TAB_ACTIVE, "Button")
	theme.set_stylebox(&"normal", ThemeKeys.TAB_ACTIVE, _flat(Palette.BLOOD, Palette.BLOOD, 1, 14))
	theme.set_color(&"font_color", ThemeKeys.TAB_ACTIVE, Palette.CREAM_BRIGHT)


func _chip(theme: Theme) -> void:
	# Base chip; the semantic colour (red/gold/grey) is applied per-use by script.
	var k := ThemeKeys.CHIP
	theme.set_type_variation(k, "Button")
	var s := _flat(Color(Palette.MUTED_MONO, 0.12), Palette.MUTED_MONO, 1, 3)
	theme.set_stylebox(&"normal", k, s)
	theme.set_font(&"font", k, load(MONO))
	theme.set_font_size(&"font_size", k, 11)
	theme.set_color(&"font_color", k, Palette.MUTED_MONO)


func _tiles(theme: Theme) -> void:
	var filled := _flat(Palette.PARCHMENT_INSET, Palette.PARCHMENT_BORDER, 2, 6)
	theme.set_type_variation(ThemeKeys.ITEM_TILE, "PanelContainer")
	theme.set_stylebox(&"panel", ThemeKeys.ITEM_TILE, filled)
	var empty := _flat(Palette.PARCHMENT_INSET_2, Palette.PARCHMENT_BORDER_3, 1, 6)
	empty.draw_center = false
	theme.set_type_variation(ThemeKeys.ITEM_TILE_EMPTY, "PanelContainer")
	theme.set_stylebox(&"panel", ThemeKeys.ITEM_TILE_EMPTY, empty)


func _cards_and_panels(theme: Theme) -> void:
	theme.set_type_variation(ThemeKeys.PARCHMENT_CARD, "PanelContainer")
	theme.set_stylebox(&"panel", ThemeKeys.PARCHMENT_CARD, _flat(Palette.PARCHMENT_CARD, Palette.PARCHMENT_BORDER, 1, 6))
	theme.set_type_variation(ThemeKeys.PARCHMENT_INSET, "PanelContainer")
	theme.set_stylebox(&"panel", ThemeKeys.PARCHMENT_INSET, _flat(Palette.PARCHMENT_INSET, Palette.PARCHMENT_BORDER_3, 1, 4))
	theme.set_type_variation(ThemeKeys.DARK_PANEL, "PanelContainer")
	theme.set_stylebox(&"panel", ThemeKeys.DARK_PANEL, _flat(Palette.DARK_PANEL_70, Palette.BORDER_4, 1, 4))