local utils = require "telescope.utils"

describe("path_expand()", function()
  it("removes trailing /", function()
    assert.is.equal("/home/user", utils.path_expand "/home/user/")
  end)

  it("works with /", function()
    assert.is.equal("/", utils.path_expand "/")
  end)

  it("works with ~", function()
    assert.is.equal(vim.loop.os_homedir() .. "/src/foo", utils.path_expand "~/src/foo")
  end)

  it("handles duplicate /", function()
    assert.is.equal("/home/user", utils.path_expand "/home///user")
  end)

  it("preserves fake whitespace characters and whitespace", function()
    local path_space = "/home/user/hello world"
    assert.is.equal(path_space, utils.path_expand(path_space))
    local path_newline = [[/home/user/hello\nworld]]
    assert.is.equal(path_newline, utils.path_expand(path_newline))
  end)
end)

describe("is_uri", function()
  describe("detects valid uris", function()
    local uris = {
      [[https://www.example.com/index.html]],
      [[ftp://ftp.example.com/files/document.pdf]],
      [[mailto:user@example.com]],
      [[tel:+1234567890]],
      [[file:///home/user/documents/report.docx]],
      [[news:comp.lang.python]],
      [[ldap://ldap.example.com:389/dc=example,dc=com]],
      [[git://github.com/user/repo.git]],
      [[steam://run/123456]],
      [[magnet:?xt=urn:btih:6B4C3343E1C63A1BC36AEB8A3D1F52C4EDEEB096]],
    }

    for _, uri in ipairs(uris) do
      it(uri, function()
        assert.True(utils.is_uri(uri))
      end)
    end
  end)

  describe("detects invalid uris/paths", function()
    local inputs = {
      "hello",
      "hello:",
      "123",
      "",
    }
    for _, input in ipairs(inputs) do
      it(input, function()
        assert.False(utils.is_uri(input))
      end)
    end
  end)

  describe("handles windows paths", function()
    local paths = {
      [[C:\Users\Usuario\Documents\archivo.txt]],
      [[D:\Projects\project_folder\source_code.py]],
      [[E:\Music\song.mp3]],
    }

    for _, uri in ipairs(paths) do
      it(uri, function()
        assert.False(utils.is_uri(uri))
      end)
    end
  end)

  describe("handles linux paths", function()
    local paths = {
      [[/home/usuario/documents/archivo.txt]],
      [[/var/www/html/index.html]],
      [[/mnt/backup/backup_file.tar.gz]],
    }

    for _, path in ipairs(paths) do
      it(path, function()
        assert.False(utils.is_uri(path))
      end)
    end
  end)

  describe("handles macos paths", function()
    local paths = {
      [[/Users/Usuario/Documents/archivo.txt]],
      [[/Applications/App.app/Contents/MacOS/app_executable]],
      [[/Volumes/ExternalDrive/Data/file.xlsx]],
    }

    for _, path in ipairs(paths) do
      it(path, function()
        assert.False(utils.is_uri(path))
      end)
    end
  end)
end)

describe("__separates_file_path_location", function()
  local suites = {
    {
      input = "file.txt:12:4",
      file = "file.txt",
      row = 12,
      col = 4,
    },
    {
      input = "file.txt:12",
      file = "file.txt",
      row = 12,
      col = 0,
    },
    {
      input = "file:12:4",
      file = "file",
      row = 12,
      col = 4,
    },
    {
      input = "file:12:",
      file = "file",
      row = 12,
      col = 0,
    },
    {
      input = "file:",
      file = "file",
    },
  }

  for _, suite in ipairs(suites) do
    it("separtates file path for " .. suite.input, function()
      local file, row, col = utils.__separate_file_path_location(suite.input)

      assert.are.equal(file, suite.file)
      assert.are.equal(row, suite.row)
      assert.are.equal(col, suite.col)
    end)
  end
end)