dotfiles/nvim/.config/nvim/lua/modules/completion.lua

local remap = vim.api.nvim_set_keymap

vim.g.completion_enable_auto_popup      = 0
vim.g.completion_auto_change_source     = 1
vim.g.completion_trigger_on_delete      = 1
vim.g.completion_matching_ignore_case   = 0
vim.g.completion_matching_strategy_list = { 'exact', 'substring' }
vim.g.completion_customize_lsp_label    = {
    Function  = " [function]",
    Method    = " [method]",
    Reference = " [reference]",
    Enum      = " [enum]",
    Field     = "ﰠ [field]",
    Keyword   = " [key]",
    Variable  = " [variable]",
    Folder    = " [folder]",
    Snippet   = " [snippet]",
    Operator  = " [operator]",
    Module    = " [module]",
    Text      = "ﮜ[text]",
    Class     = " [class]",
    Interface = " [interface]"
}

vim.g.completion_chain_complete_list = {
  c = {
    { complete_items = { 'buffers', 'tmux' } },
    { mode = { 'tags'  } },
    { mode = { 'keyn'  } },
    { mode = { '<c-p>' } },
    { mode = { '<c-n>' } }
  },
  haskell = {
    { complete_items = { 'buffers', 'lsp', 'tmux' } },
    { mode = { 'keyn'  } },
    { mode = { '<c-p>' } },
    { mode = { '<c-n>' } }
  },
  rust = {
    { complete_items = { 'buffers', 'lsp', 'tmux' } },
    { mode = { 'keyn'  } },
    { mode = { '<c-p>' } },
    { mode = { '<c-n>' } }
  },
  default = {
    { complete_items = { 'buffers', 'tmux' } },
    { mode = { 'keyn'  } },
    { mode = { '<c-p>' } },
    { mode = { '<c-n>' } }
  },
}

remap('i', '<Tab>',   'pumvisible() ? "<C-n>" : "<Tab>"',     { noremap = true, expr = true })
remap('i', '<S-Tab>', 'pumvisible() ? "<C-p>" : "<S-Tab>"',   { noremap = true, expr = true })
remap('i', '<Tab>', '<Plug>(completion_smart_tab)',   { noremap = false })
remap('i', '<C-j>', '<Plug>(completion_next_source)', { noremap = false })
remap('i', '<C-k>', '<Plug>(completion_prev_source)', { noremap = false })

vim.api.nvim_command('autocmd BufEnter * lua require\'completion\'.on_attach()')