-- 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', keys = '<Leader>g', desc = '+Git' },
  { mode = 'n', 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' },
  { mode = 'x', keys = '<Leader>g', desc = '+Git' },
  { mode = 'x', keys = '<Leader>l', desc = '+Language' },
}

-- 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')
leader('gs', function() MiniGit.show_at_cursor() end, 'Show at selection', 'x')

-- Language
leader('la', function() vim.lsp.buf.code_action() end, 'Actions')
leader('lf', function() require('conform').format({ async = true }) end, 'Format')
leader('lf', function() require('conform').format({ async = true }) end, 'Format selection', '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 })