local eq = assert.are.same
local cur_dir = vim.fn.expand("%:p:h")

describe(
  "should run gofmt",
  function()
    --vim.fn.readfile('minimal.vim')
    -- vim.fn.writefile(vim.fn.readfile('fixtures/fmt/hello.go'), name)
    status = require("plenary.reload").reload_module("go.nvim")
    it(
      "should run fmt",
      function()
        local name = vim.fn.tempname() .. ".go"
        print("tmp:" .. name)
        --
        local path = cur_dir .. "/lua/tests/fixtures/fmt/hello.go" -- %:p:h ? %:p
        print("test:" .. path)
        local lines = vim.fn.readfile(path)
        vim.fn.writefile(lines, name)
        local expected =
          vim.fn.join(vim.fn.readfile(cur_dir .. "/lua/tests/fixtures/fmt/hello_golden.go"), "\n")
        local cmd = " silent exe 'e " .. name .. "'"
        vim.cmd(cmd)
        local l = vim.api.nvim_buf_get_lines(0, 0, -1, true)
        print("buf read: " .. vim.inspect(l))

        vim.bo.filetype = "go"

        print("exp:" .. vim.inspect(expected))
        print("tmp" .. name)

        local gofmt = require("go.format")
        gofmt.gofmt()
        -- enable the channel response
        vim.wait(100, function () end)
        local fmt =
          vim.fn.join(vim.fn.readfile(name), "\n")
        print("fmt" .. fmt)
        vim.fn.assert_equal(fmt, expected)
        eq(expected, fmt)
        local cmd = "bd! ".. name
        vim.cmd(cmd)
      end
    )
    it(
      "should run fmt sending from buffer",
      function()
        local name = vim.fn.tempname() .. ".go"
        print("tmp:" .. name)
        --
        local path = cur_dir .. "/lua/tests/fixtures/fmt/hello.go" -- %:p:h ? %:p
        print("test:" .. path)
        local lines = vim.fn.readfile(path)
        vim.fn.writefile(lines, name)
        local expected =
          vim.fn.join(vim.fn.readfile(cur_dir .. "/lua/tests/fixtures/fmt/hello_golden.go"), "\n")
        local cmd = " silent exe 'e " .. name .. "'"
        vim.cmd(cmd)
        local l = vim.api.nvim_buf_get_lines(0, 0, -1, true)
        print("buf read: " .. vim.inspect(l))

        vim.bo.filetype = "go"

        print("exp:" .. vim.inspect(expected))
        print("tmp" .. name)

        local gofmt = require("go.format")
        gofmt.gofmt(true)
        -- enable the channel response
        vim.wait(100, function () end)
        local fmt =
          vim.fn.join(vim.fn.readfile(name), "\n")
        print("fmt" .. fmt)
        vim.fn.assert_equal(fmt, expected)
        eq(expected, fmt)
        local cmd = "bd! ".. name
        vim.cmd(cmd)
      end
    )
    it(
      "should run import from file",
      function()
        local path = cur_dir .. "/lua/tests/fixtures/fmt/goimports.go" -- %:p:h ? %:p
        local expected = vim.fn.join(vim.fn.readfile(cur_dir .. "/lua/tests/fixtures/fmt/goimports_golden.go"), "\n")
        local name = vim.fn.tempname() .. ".go"
        print(name)
        local lines = vim.fn.readfile(path)
        vim.fn.writefile(lines, name)
        local cmd = " silent exe 'e " .. name .. "'"
        vim.cmd(cmd)
        local gofmt = require("go.format")
        gofmt.goimport()
        vim.wait( 100, function() end)
        local fmt = vim.fn.join(vim.fn.readfile(name), "\n")
        eq(expected, fmt)
        cmd = "bd! " .. name
        vim.cmd(cmd)
      end
    )
    it(
      "should run import from file buffer",
      function()
        local path = cur_dir .. "/lua/tests/fixtures/fmt/goimports.go" -- %:p:h ? %:p
        local expected = vim.fn.join(vim.fn.readfile(cur_dir .. "/lua/tests/fixtures/fmt/goimports_golden.go"), "\n")
        local name = vim.fn.tempname() .. ".go"
        print(name)
        local lines = vim.fn.readfile(path)
        local cmd = " silent exe 'e " .. name .. "'"
        vim.fn.writefile(lines, name)
        vim.cmd(cmd)

        print("code write to " .. name)
        local gofmt = require("go.format")
        gofmt.goimport(true)

        vim.wait(
          100,
          function()
          end
        )
        local fmt = vim.fn.join(vim.fn.readfile(name), "\n")

        print(fmt)
        eq(expected, fmt)
      end
    )
  end
)