local child_helper = require("tests.child_helper")
local child = child_helper.new_child_neovim("test_command")
local u = require("tests.utils")
local reference_screenshot = MiniTest.expect.reference_screenshot

local T = MiniTest.new_set({
  hooks = {
    pre_once = function() end,
    pre_case = function()
      child.run_pre_case(true)
      child.bo.readonly = false
    end,
    post_once = child.stop,
  },
})

T["command()"] = MiniTest.new_set()

T["command()"]["version works"] = function()
  child.configure_copilot()
  child.cmd("Copilot version")
  local result = child.cmd_capture("mess")
  u.expect_match(result, ".*copilot language server.*copilot%.lua.*mocked.*")
end

T["command()"]["panel toggle - open works"] = function()
  child.configure_copilot()
  child.cmd("Copilot panel toggle")
  reference_screenshot(child.get_screenshot(), nil, { ignore_text = { 23, 24 }, ignore_attr = { 23, 24 } })
end

T["command()"]["panel toggle - close works"] = function()
  child.configure_copilot()
  child.cmd("Copilot panel toggle")
  child.cmd("Copilot panel toggle")
  reference_screenshot(child.get_screenshot(), nil, { ignore_text = { 23, 24 }, ignore_attr = { 23, 24 } })
end

T["command()"]["panel open - it works"] = function()
  child.configure_copilot()
  child.cmd("Copilot panel open")
  reference_screenshot(child.get_screenshot(), nil, { ignore_text = { 23, 24 }, ignore_attr = { 23, 24 } })
end

T["command()"]["panel close - it works"] = function()
  child.configure_copilot()
  child.cmd("Copilot panel open")
  child.cmd("Copilot panel close")
  reference_screenshot(child.get_screenshot(), nil, { ignore_text = { 23, 24 }, ignore_attr = { 23, 24 } })
end

T["command()"]["panel is_open - is opened - returns true"] = function()
  child.configure_copilot()
  child.cmd("Copilot panel open")
  local is_open = child.cmd_capture("Copilot panel is_open")
  u.expect_match(is_open, "true")
end

T["command()"]["panel is_open - is closed - returns false"] = function()
  child.configure_copilot()
  local is_open = child.cmd_capture("Copilot panel is_open")
  u.expect_match(is_open, "false")
end

T["command()"]["toggle command works"] = function()
  child.configure_copilot()
  child.cmd("Copilot toggle")
  local messages = child.cmd_capture("messages")
  -- Toggle should not produce vim errors
  u.expect_no_match(messages, "E%d+")
end

T["command()"]["enable and disable commands work"] = function()
  child.configure_copilot()
  child.cmd("Copilot disable")
  child.cmd("Copilot enable")
  local messages = child.cmd_capture("messages")
  u.expect_no_match(messages, "E%d+")
end

T["command()"]["invalid subcommand does not error"] = function()
  child.configure_copilot()
  -- Invalid subcommands silently return (mod[action_name] is nil)
  child.cmd("Copilot nonexistent_command")
  local messages = child.cmd_capture("messages")
  u.expect_no_match(messages, "E%d+")
end

return T