-- Clues
Config.leader_group_clues = {
  { mode = 'n', keys = '<Leader>b', desc = '+Buffer' },
  { mode = 'n', keys = '<Leader>d', desc = '+Debug' },
  { mode = 'n', keys = '<Leader>e', desc = '+Explore' },
  { mode = 'n', keys = '<Leader>f', desc = '+Find' },
  { mode = { 'n', 'x' }, keys = '<Leader>g', desc = '+Git' },
  { mode = { 'n', 'x' }, keys = '<Leader>l', desc = '+Language' },
  { mode = 'n', keys = '<Leader>r', desc = '+Request' },
  { mode = 'n', keys = '<Leader>t', desc = '+Terminal' },
  { mode = 'n', keys = '<Leader><Tab>', desc = '+Tab' },
}

-- Keymap Helpers
local leader = function(suffix, rhs, desc, mode)
  vim.keymap.set(mode or 'n', '<Leader>' .. suffix, rhs, { desc = desc, silent = true })
end

-- Buffers
local new_scratch_buffer = function()
  vim.api.nvim_win_set_buf(0, vim.api.nvim_create_buf(true, true))
end

local close_invisible_buffers = function()
  local visible = vim.iter(vim.api.nvim_list_wins()):map(vim.api.nvim_win_get_buf):totable()
  vim.iter(vim.api.nvim_list_bufs())
    :filter(function(buf) return not vim.list_contains(visible, buf) end)
    :each(function(buf) pcall(vim.api.nvim_buf_delete, buf, { force = false }) end)
end

leader('bd', vim.cmd.bdelete, 'Delete')
leader('bs', new_scratch_buffer, 'Scratch')
leader('bw', vim.cmd.bwipeout, 'Wipeout')
leader('bo', close_invisible_buffers, 'Close invisible buffers')

-- Debug
leader('db', function() require('dap').toggle_breakpoint() end, 'Toggle Breakpoint')
leader('dl', function() require('dap').set_breakpoint(nil, nil, vim.fn.input('Log point: ')) end, 'Log point')
leader('dc', function() require('dap').continue() end, 'Run/Continue')
leader('dC', function() require('dap').run_to_cursor() end, 'Run to Cursor')
leader('de', function() require('dap.ui.widgets').hover() end, 'Inspect')
leader('dr', function() require('dap').repl.open() end, 'Open REPL')
leader('dt', function() require('dap').terminate() end, 'Terminate')

-- Explore
local explore_at_file = function()
  local file = vim.api.nvim_buf_get_name(0)
  MiniFiles.open(vim.uv.fs_stat(file) and file or nil)
end

leader('ed', function() MiniFiles.open() end, 'Directory')
leader('ef', explore_at_file, 'File directory')
leader('ey', function() vim.fn.setreg('+', vim.fn.fnamemodify(vim.api.nvim_buf_get_name(0), ':.')) end, 'Yank relative path')
leader('eY', function() vim.fn.setreg('+', vim.api.nvim_buf_get_name(0)) end, 'Yank absolute path')
leader('en', vim.cmd.messages, 'Notifications')

-- Find
leader('fb', function() MiniPick.builtin.buffers() end, 'Buffers')
leader('fc', function() MiniExtra.pickers.git_commits() end, 'Commits (all)')
leader('fC', function() MiniExtra.pickers.git_commits({ path = vim.fn.expand('%') }) end, 'Commits (buf)')
leader('fd', function() MiniExtra.pickers.diagnostic({ scope = 'all' }) end, 'Diagnostic workspace')
leader('fD', function() MiniExtra.pickers.diagnostic({ scope = 'current' }) end, 'Diagnostic buffer')
leader('ff', function() MiniPick.builtin.files() end, 'Files')
leader('fg', function() MiniPick.builtin.grep_live() end, 'Grep live')
leader('fG', function() MiniPick.builtin.grep({ pattern = vim.fn.expand('<cword>') }) end, 'Grep word')
leader('fh', function() MiniPick.builtin.help() end, 'Help tags')
leader('fl', function() MiniExtra.pickers.buf_lines({ scope = 'all' }) end, 'Lines (all)')
leader('fL', function() MiniExtra.pickers.buf_lines({ scope = 'current' }) end, 'Lines (buf)')
leader('fm', function() require('git').status() end, 'Modified / changed files')
leader('fo', function() MiniExtra.pickers.oldfiles() end, 'Old / recent files')
leader('fr', function() MiniPick.builtin.resume() end, 'Resume')
leader('fs', function() MiniExtra.pickers.lsp({ scope = 'workspace_symbol_live' }) end, 'Symbols workspace')
leader('fS', function() MiniExtra.pickers.lsp({ scope = 'document_symbol' }) end, 'Symbols document')
leader('f:', function() MiniExtra.pickers.history({ scope = ':' }) end, 'Command history')

-- Git
local diff_unstaged = function()
  vim.cmd.diffthis()
  vim.cmd('vert Git show :./%')
  vim.cmd.diffthis()
end

leader('ga', function() vim.cmd('Git add %') end, 'Add current file')
leader('gd', diff_unstaged, 'Diff unstaged')
leader('gs', function() MiniGit.show_at_cursor() end, 'Show at cursor', { 'n', 'x' })

-- Language
leader('la', function() vim.lsp.buf.code_action() end, 'Actions')
leader('lf', function() require('conform').format({ async = true }) end, 'Format', { 'n', 'x' })
leader('li', function() vim.lsp.buf.implementation() end, 'Implementation')
leader('ll', function() vim.lsp.codelens.run() end, 'Lens')
leader('lr', function() vim.lsp.buf.rename() end, 'Rename')
leader('lR', function() vim.lsp.buf.references() end, 'References')
leader('ls', function() vim.lsp.buf.definition() end, 'Source definition')
leader('lt', function() vim.lsp.buf.type_definition() end, 'Type definition')

-- Request
leader('rs', function() require('kulala').run() end, 'Send HTTP request')

-- Terminal
local open_ai = function()
  vim.cmd('vertical term ' .. (vim.fn.executable('pi') == 1 and 'pi' or 'claude'))
end

leader('tT', function() vim.cmd('horizontal term') end, 'Terminal (horizontal)')
leader('tt', function() vim.cmd('vertical term') end, 'Terminal (vertical)')
leader('ta', open_ai, 'AI')
leader('tf', function() require('terminal').open(vim.o.shell) end, 'Terminal (popup)')
leader('tg', function() require('terminal').open('lazygit') end, 'LazyGit')
leader('ts', function() require('terminal').open('lazysql') end, 'LazySQL')

-- Tabs
leader('<Tab><Tab>', vim.cmd.tabnew, 'New tab')
leader('<Tab>d', vim.cmd.tabclose, 'Close tab')
leader('<Tab>]', vim.cmd.tabnext, 'Next tab')
leader('<Tab>[', vim.cmd.tabprevious, 'Previous tab')

-- Overwrites
vim.keymap.set('n', '<Esc>', vim.cmd.nohlsearch, { desc = 'Clear highlights', silent = true })
vim.keymap.set('t', '<C-w>', '<C-\\><C-n><C-w>', { desc = 'Terminal window navigation', silent = true })