local helpers = require('test.functional.helpers')(after_each)
local clear, command, nvim = helpers.clear, helpers.command, helpers.nvim
local expect, feed = helpers.expect, helpers.feed
local eq, eval = helpers.eq, helpers.eval
local funcs = helpers.funcs


describe(':emenu', function()

  before_each(function()
    clear()
    command('nnoremenu Test.Test inormal<ESC>')
    command('inoremenu Test.Test insert')
    command('vnoremenu Test.Test x')
    command('cnoremenu Test.Test cmdmode')

    command('nnoremenu Edit.Paste p')
    command('cnoremenu Edit.Paste <C-R>"')
  end)

  it('executes correct bindings in normal mode without using API', function()
    command('emenu Test.Test')
    expect('normal')
  end)

  it('executes correct bindings in normal mode', function()
    command('emenu Test.Test')
    expect('normal')
  end)

  it('executes correct bindings in insert mode', function()
    feed('i')
    command('emenu Test.Test')
    expect('insert')
  end)

  it('executes correct bindings in visual mode', function()
    feed('iabcde<ESC>0lvll')
    command('emenu Test.Test')
    expect('ae')
  end)

  it('executes correct bindings in command mode', function()
      feed('ithis is a sentence<esc>^yiwo<esc>')

      -- Invoke "Edit.Paste" in normal-mode.
      nvim('command', 'emenu Edit.Paste')

      -- Invoke "Edit.Paste" and "Test.Test" in command-mode.
      feed(':')
      nvim('command', 'emenu Edit.Paste')
      nvim('command', 'emenu Test.Test')

      expect([[
        this is a sentence
        this]])
      -- Assert that Edit.Paste pasted @" into the commandline.
      eq('thiscmdmode', eval('getcmdline()'))
  end)
end)

describe('menu_get', function()

  before_each(function()
    clear()
    command([=[
      aunmenu *

      nnoremenu &Test.Test inormal<ESC>
      inoremenu Test.Test insert
      vnoremenu Test.Test x
      cnoremenu Test.Test cmdmode
      menu Test.Nested.test level1
      menu Test.Nested.Nested2 level2

      nnoremenu <script> Export.Script p
      tmenu Export.Script This is the tooltip
      menu ]Export.hidden thisoneshouldbehidden

      nnoremenu Edit.Paste p
      cnoremenu Edit.Paste <C-R>"
    ]=])
  end)

  it("path='', modes='a'", function()
    local m = funcs.menu_get("","a");
    -- HINT: To print the expected table and regenerate the tests:
    -- print(require('vim.inspect')(m))
    local expected = {
      {
        shortcut = "T",
        hidden = 0,
        submenus = {
          {
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "insert",
                silent = 0
              },
              s = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "x",
                silent = 0
              },
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "inormal<Esc>",
                silent = 0
              },
              v = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "x",
                silent = 0
              },
              c = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "cmdmode",
                silent = 0
              }
            },
            priority = 500,
            name = "Test",
            hidden = 0
          },
          {
            priority = 500,
            name = "Nested",
            submenus = {
              {
                mappings = {
                  o = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level1",
                    silent = 0
                  },
                  v = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level1",
                    silent = 0
                  },
                  s = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level1",
                    silent = 0
                  },
                  n = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level1",
                    silent = 0
                  }
                },
                priority = 500,
                name = "test",
                hidden = 0
              },
              {
                mappings = {
                  o = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level2",
                    silent = 0
                  },
                  v = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level2",
                    silent = 0
                  },
                  s = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level2",
                    silent = 0
                  },
                  n = {
                    sid = 0,
                    noremap = 0,
                    enabled = 1,
                    rhs = "level2",
                    silent = 0
                  }
                },
                priority = 500,
                name = "Nested2",
                hidden = 0
              }
            },
            hidden = 0
          }
        },
        priority = 500,
        name = "Test"
      },
      {
        priority = 500,
        name = "Export",
        submenus = {
          {
            tooltip = "This is the tooltip",
            hidden = 0,
            name = "Script",
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "p",
                silent = 0
              }
            }
          }
        },
        hidden = 0
      },
      {
        priority = 500,
        name = "Edit",
        submenus = {
          {
            mappings = {
              c = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "<C-R>\"",
                silent = 0
              },
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "p",
                silent = 0
              }
            },
            priority = 500,
            name = "Paste",
            hidden = 0
          }
        },
        hidden = 0
      },
      {
        priority = 500,
        name = "]Export",
        submenus = {
          {
            mappings = {
              o = {
                sid = 0,
                noremap = 0,
                enabled = 1,
                rhs = "thisoneshouldbehidden",
                silent = 0
              },
              v = {
                sid = 0,
                noremap = 0,
                enabled = 1,
                rhs = "thisoneshouldbehidden",
                silent = 0
              },
              s = {
                sid = 0,
                noremap = 0,
                enabled = 1,
                rhs = "thisoneshouldbehidden",
                silent = 0
              },
              n = {
                sid = 0,
                noremap = 0,
                enabled = 1,
                rhs = "thisoneshouldbehidden",
                silent = 0
              }
            },
            priority = 500,
            name = "hidden",
            hidden = 0
          }
        },
        hidden = 1
      }
    }
    eq(expected, m)
  end)

  it('matching path, all modes', function()
    local m = funcs.menu_get("Export", "a")
    local expected = { {
      hidden = 0,
      name = "Export",
      priority = 500,
      submenus = { {
        tooltip = "This is the tooltip",
        hidden = 0,
        name = "Script",
        priority = 500,
        mappings = {
          n = {
            sid = 1,
            noremap = 1,
            enabled = 1,
            rhs = "p",
            silent = 0
          }
        }
      } }
    } }
    eq(expected, m)
  end)

  it('no path, matching modes', function()
    local m = funcs.menu_get("","i")
    local expected = {
      {
        shortcut = "T",
        hidden = 0,
        submenus = {
          {
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "insert",
                silent = 0
              }
            },
            priority = 500,
            name = "Test",
            hidden = 0
          },
        },
        priority = 500,
        name = "Test"
      }
    }
    eq(expected, m)
  end)

  it('matching path and modes', function()
    local m = funcs.menu_get("Test","i")
    local expected = {
      {
        shortcut = "T",
        submenus = {
          {
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "insert",
                silent = 0
              },
            },
            priority = 500,
            name = "Test",
            hidden = 0
          },
        },
        priority = 500,
        name = "Test",
        hidden = 0
      }
    }
    eq(expected, m)
  end)
end)

describe('menu_get', function()

  before_each(function()
    clear()
    command('aunmenu *')
  end)

  it('returns <keycode> representation of special keys', function()
    command('nnoremenu &Test.Test inormal<ESC>')
    command('inoremenu &Test.Test2 <Tab><Esc>')
    command('vnoremenu &Test.Test3 yA<C-R>0<Tab>xyz<Esc>')
    command('inoremenu &Test.Test4 <c-r>*')
    command('inoremenu &Test.Test5 <c-R>+')
    command('nnoremenu &Test.Test6 <Nop>')
    command('nnoremenu &Test.Test7 <NOP>')
    command('nnoremenu &Test.Test8 <NoP>')
    command('nnoremenu &Test.Test9 ""')

    local m = funcs.menu_get("");
    local expected = {
      {
        shortcut = "T",
        hidden = 0,
        submenus = {
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "inormal<Esc>",
                silent = 0
              }
            },
            name = "Test",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "<Tab><Esc>",
                silent = 0
              }
            },
            name = "Test2",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              s = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "yA<C-R>0<Tab>xyz<Esc>",
                silent = 0
              },
              v = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "yA<C-R>0<Tab>xyz<Esc>",
                silent = 0
              }
            },
            name = "Test3",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "<C-R>*",
                silent = 0
              }
            },
            name = "Test4",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              i = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "<C-R>+",
                silent = 0
              }
            },
            name = "Test5",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "",
                silent = 0
              }
            },
            name = "Test6",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "",
                silent = 0
              }
            },
            name = "Test7",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "",
                silent = 0
              }
            },
            name = "Test8",
            hidden = 0
          },
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "\"\"",
                silent = 0
              }
            },
            name = "Test9",
            hidden = 0
          }
        },
        priority = 500,
        name = "Test"
      }
    }

    eq(m, expected)
  end)

  it('works with right-aligned text and spaces', function()
    command('nnoremenu &Test<Tab>Y.Test<Tab>X\\ x inormal<Alt-j>')
    command('nnoremenu &Test\\ 1.Test\\ 2 Wargl')
    command('nnoremenu &Test4.Test<Tab>3 i space<Esc>')

    local m = funcs.menu_get("");
    local expected = {
      {
        shortcut = "T",
        hidden = 0,
        actext = "Y",
        submenus = {
          {
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "inormal<Alt-j>",
                silent = 0
              }
            },
            hidden = 0,
            actext = "X x",
            priority = 500,
            name = "Test"
          }
        },
        priority = 500,
        name = "Test"
      },
      {
        shortcut = "T",
        hidden = 0,
        submenus = {
          {
            priority = 500,
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "Wargl",
                silent = 0
              }
            },
            name = "Test 2",
            hidden = 0
          }
        },
        priority = 500,
        name = "Test 1"
      },
      {
        shortcut = "T",
        hidden = 0,
        submenus = {
          {
            mappings = {
              n = {
                sid = 1,
                noremap = 1,
                enabled = 1,
                rhs = "i space<Esc>",
                silent = 0
              }
            },
            hidden = 0,
            actext = "3",
            priority = 500,
            name = "Test"
          }
        },
        priority = 500,
        name = "Test4"
      }
    }

    eq(m, expected)
  end)
end)