-- Script to list all registered commands in Neovim
-- Run with: nvim --headless -c "luafile list-commands.lua" -c "qa"

local commands = vim.api.nvim_get_commands({})

-- Sort commands alphabetically
local sorted_commands = {}
for name, cmd in pairs(commands) do
  table.insert(sorted_commands, {
    name = name,
    cmd = cmd
  })
end

table.sort(sorted_commands, function(a, b)
  return a.name < b.name
end)

-- Group commands by plugin/source (if we can determine it)
local command_groups = {}
local conflicts = {}

-- Check for conflicts (commands with same name but different definitions)
local seen_names = {}

print("=" .. string.rep("=", 78))
print("ALL REGISTERED COMMANDS IN NVIM CONFIG")
print("=" .. string.rep("=", 78))
print()

for _, item in ipairs(sorted_commands) do
  local name = item.name
  local cmd = item.cmd
  
  -- Check for conflicts
  if seen_names[name] then
    if not conflicts[name] then
      conflicts[name] = {seen_names[name], cmd}
    else
      table.insert(conflicts[name], cmd)
    end
  else
    seen_names[name] = cmd
  end
  
  -- Format command info
  local cmd_type = cmd.bang and "!" or ""
  local cmd_range = cmd.range and "range" or ""
  local cmd_count = cmd.count ~= "" and cmd.count or ""
  
  local flags = {}
  if cmd_type ~= "" then table.insert(flags, "bang") end
  if cmd_range ~= "" then table.insert(flags, "range") end
  if cmd_count ~= "" then table.insert(flags, "count=" .. cmd_count) end
  if cmd.nargs ~= "" then table.insert(flags, "nargs=" .. cmd.nargs) end
  
  local flags_str = #flags > 0 and (" [" .. table.concat(flags, ", ") .. "]") or ""
  
  print(string.format("%-30s %s%s", name, cmd.definition or "", flags_str))
end

print()
print("=" .. string.rep("=", 78))
print("SUMMARY")
print("=" .. string.rep("=", 78))
print(string.format("Total commands: %d", #sorted_commands))

if next(conflicts) then
  print()
  print("⚠️  CONFLICTS DETECTED:")
  print("=" .. string.rep("=", 78))
  for name, defs in pairs(conflicts) do
    print(string.format("Command '%s' has multiple definitions:", name))
    for i, def in ipairs(defs) do
      print(string.format("  %d. %s", i, def.definition or ""))
    end
    print()
  end
else
  print()
  print("✓ No conflicts detected!")
end

print()
print("=" .. string.rep("=", 78))
print("COMMANDS BY PLUGIN (from config files)")
print("=" .. string.rep("=", 78))
print()

-- Commands from config files
local config_commands = {
  ["Tmux Navigator"] = {
    "TmuxNavigateLeft",
    "TmuxNavigateDown", 
    "TmuxNavigateUp",
    "TmuxNavigateRight",
    "TmuxNavigatePrevious",
  },
  ["Executor"] = {
    "ExecutorRun",
    "ExecutorToggleDetail",
    "ExecutorSetCommand",
  },
  ["DBUI"] = {
    "DBUI",
    "DBUIToggle",
    "DBUIAddConnection",
    "DBUIFindBuffer",
    "DBUIRenameBuffer",
    "DBUILastQueryInfo",
  },
  ["Diffview"] = {
    "DiffviewOpen",
    "DiffviewClose",
    "DiffviewFileHistory",
    "DiffviewToggleFiles",
  },
  ["Git Blame"] = {
    "GitBlameToggle",
    "GitBlameOpenCommitURL",
    "GitBlameCopyCommitURL",
  },
  ["Octo"] = {
    "Octo",
  },
}

for plugin, cmds in pairs(config_commands) do
  print(string.format("%s:", plugin))
  for _, cmd in ipairs(cmds) do
    local exists = commands[cmd] ~= nil
    local status = exists and "✓" or "✗"
    print(string.format("  %s %s", status, cmd))
  end
  print()
end