import type { LanguageRegistration } from "@pierre/diffs";

export const dotLanguage: LanguageRegistration = {
  name: "dot",
  scopeName: "source.dot",
  fileTypes: ["fabro", "dot", "DOT", "gv"],
  firstLineMatch: "digraph.*",
  patterns: [
    {
      match: " ?(digraph)[ \\t]+([A-Za-z0-9]+) ?(\\{)",
      captures: {
        "1": { name: "storage.type.dot" },
        "2": { name: "variable.other.dot" },
        "3": { name: "punctuation.section.dot" },
      },
    },
    {
      match: "(<|-)(>|-)",
      name: "keyword.operator.dot",
    },
    {
      match: "\\b(node|edge|graph|digraph|subgraph|strict)\\b",
      name: "storage.type.dot",
    },
    {
      match:
        "\\b(bottomlabel|color|comment|distortion|fillcolor|fixedsize|fontcolor|fontname|fontsize|group|height|label|layer|orientation|peripheries|regular|shape|shapefile|sides|skew|style|toplabel|URL|width|z)\\b",
      name: "support.constant.attribute.node.dot",
    },
    {
      match:
        "\\b(arrowhead|arrowsize|arrowtail|color|comment|constraint|decorate|dir|fontcolor|fontname|fontsize|headlabel|headport|headURL|label|labelangle|labeldistance|labelfloat|labelcolor|labelfontname|labelfontsize|layer|lhead|ltail|minlen|samehead|sametail|splines|style|taillabel|tailport|tailURL|weight)\\b",
      name: "support.constant.attribute.edge.dot",
    },
    {
      match:
        "\\b(bgcolor|center|clusterrank|color|comment|compound|concentrate|fillcolor|fontname|fontpath|fontsize|label|labeljust|labelloc|layers|margin|mclimit|nodesep|nslimit|nslimit1|ordering|orientation|page|pagedir|quantum|rank|rankdir|ranksep|ratio|remincross|rotate|samplepoints|searchsize|size|style|URL)\\b",
      name: "support.constant.attribute.graph.dot",
    },
    {
      match:
        "\\b(box|polygon|ellipse|circle|point|egg|triangle|plaintext|diamond|trapezium|parallelogram|house|pentagon|hexagon|septagon|octagon|doublecircle|doubleoctagon|tripleoctagon|invtriangle|invtrapezium|invhouse|Mdiamond|Msquare|Mcircle|rect|rectangle|none|note|tab|folder|box3d|component|max|min|same)\\b",
      name: "variable.other.dot",
    },
    {
      begin: '"',
      beginCaptures: {
        "0": { name: "punctuation.definition.string.begin.dot" },
      },
      end: '"',
      endCaptures: {
        "0": { name: "punctuation.definition.string.end.dot" },
      },
      name: "string.quoted.double.dot",
      patterns: [
        {
          match: "\\\\.",
          name: "constant.character.escape.dot",
        },
      ],
    },
    {
      begin: "(^[ \\t]+)?(?=//)",
      beginCaptures: {
        "1": { name: "punctuation.whitespace.comment.leading.dot" },
      },
      end: "(?!\\G)",
      patterns: [
        {
          begin: "//",
          beginCaptures: {
            "0": { name: "punctuation.definition.comment.dot" },
          },
          end: "\\n",
          name: "comment.line.double-slash.dot",
        },
      ],
    },
    {
      begin: "(^[ \\t]+)?(?=#)",
      beginCaptures: {
        "1": { name: "punctuation.whitespace.comment.leading.dot" },
      },
      end: "(?!\\G)",
      patterns: [
        {
          begin: "#",
          beginCaptures: {
            "0": { name: "punctuation.definition.comment.dot" },
          },
          end: "\\n",
          name: "comment.line.number-sign.dot",
        },
      ],
    },
    {
      begin: "/\\*",
      captures: {
        "0": { name: "punctuation.definition.comment.dot" },
      },
      end: "\\*/",
      name: "comment.block.dot",
    },
  ],
  repository: {},
};
