local M = {}

local function config_keymap(mode, lhs, rhs, options)
  if lhs == nil or lhs == "" then
    return
  end

  vim.api.nvim_set_keymap(mode, lhs, rhs, options)
end

local function config_keymaps()
  local cfg = require("git.config").config

  local options = {
    noremap = true,
    silent = true,
    expr = false,
  }
  config_keymap("n", cfg.keymaps.blame, "<CMD>lua require('git.blame').blame()<CR>", options)
  config_keymap("n", cfg.keymaps.browse, "<CMD>lua require('git.browse').open(false)<CR>", options)
  config_keymap("x", cfg.keymaps.browse, ":<C-u> lua require('git.browse').open(true)<CR>", options)
  config_keymap("n", cfg.keymaps.open_pull_request, "<CMD>lua require('git.browse').pull_request()<CR>", options)
  config_keymap(
    "n",
    cfg.keymaps.create_pull_request,
    "<CMD>lua require('git.browse').create_pull_request()<CR>",
    options
  )
  config_keymap("n", cfg.keymaps.diff, "<CMD>lua require('git.diff').open()<CR>", options)
  config_keymap("n", cfg.keymaps.diff_close, "<CMD>lua require('git.diff').close()<CR>", options)
  config_keymap("n", cfg.keymaps.revert, "<CMD>lua require('git.revert').open(false)<CR>", options)
  config_keymap("n", cfg.keymaps.revert_file, "<CMD>lua require('git.revert').open(true)<CR>", options)
end

local function config_commands()
  vim.api.nvim_create_user_command("GitBlame", 'lua require("git.blame").blame()<CR>', {
    bang = true,
    nargs = "*",
  })

  vim.api.nvim_create_user_command("GitCreatePullRequest", 'lua require("git.browse").create_pull_request(<f-args>)', {
    bang = true,
    nargs = "*",
  })

  vim.api.nvim_create_user_command("GitDiff", 'lua require("git.diff").open(<f-args>)', {
    bang = true,
    nargs = "*",
  })

  vim.api.nvim_create_user_command("GitDiffClose", 'lua require("git.diff").close()', {
    bang = true,
  })

  vim.api.nvim_create_user_command("Git", 'lua require("git.cmd").cmd(<f-args>)', {
    bang = true,
    nargs = "*",
  })

  vim.api.nvim_create_user_command("GitRevert", 'lua require("git.revert").open(false)', {
    bang = true,
  })

  vim.api.nvim_create_user_command("GitRevertFile", 'lua require("git.revert").open(true)', {
    bang = true,
  })
end

function M.setup(cfg)
  require("git.config").setup(cfg)

  config_keymaps()
  config_commands()
end

return M