#!/bin/bash

TEMPLATES_DIR="$OMARCHY_PATH/default/themed"
USER_TEMPLATES_DIR="$HOME/.config/omarchy/theme.d"
NEXT_THEME_DIR="$HOME/.config/omarchy/current/next-theme"
COLORS_FILE="$NEXT_THEME_DIR/colors.toml"

# Convert hex color to decimal RGB (e.g., "#1e1e2e" -> "30,30,46")
hex_to_rgb() {
  local hex="${1#\#}"
  printf "%d,%d,%d" "0x${hex:0:2}" "0x${hex:2:2}" "0x${hex:4:2}"
}

# Only generate dynamic templates for themes with a colors.toml definition
if [[ -f $COLORS_FILE ]]; then
  # Parse TOML using yq (treating it as YAML since the flat key=value structure is compatible)
  # We convert 'key = value' to 'key: value' to make it valid YAML, then use yq/jq to generate the replacement commands.
  sed_script=$(mktemp)

  # Generate standard and _strip substitutions
  sed 's/=/:/' "$COLORS_FILE" | yq -r 'to_entries[] | "s|{{ \(.key) }}|\(.value)|g", "s|{{ \(.key)_strip }}|\(.value | sub("^#";""))|g"' > "$sed_script"

  # Generate _rgb substitutions for hex colors
  while IFS='=' read -r key value; do
    key=$(echo "$key" | xargs)
    value=$(echo "$value" | xargs | tr -d '"')
    if [[ $value =~ ^# ]]; then
      rgb=$(hex_to_rgb "$value")
      echo "s|{{ ${key}_rgb }}|${rgb}|g" >> "$sed_script"
    fi
  done < "$COLORS_FILE"

  shopt -s nullglob

  # Process user templates first, then built-in templates (user overrides built-in)
  for tpl in "$USER_TEMPLATES_DIR"/*.tpl "$TEMPLATES_DIR"/*.tpl; do
    filename=$(basename "$tpl" .tpl)
    output_path="$NEXT_THEME_DIR/$filename"

    # Don't overwrite configs already exists in the output directory (copied from theme specific folder)
    if [[ ! -f $output_path ]]; then
      sed -f "$sed_script" "$tpl" > "$output_path"
    fi
  done

  rm "$sed_script"
fi