--[[


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⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
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⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉

              __             _             _
             / _|___     ___| |_ __ _  ___| | __
            | ||_  /____/ __| __/ _` |/ __| |/ /
            |  _/ /_____\__ \ || (_| | (__|   <
            |_|/___|    |___/\__\__,_|\___|_|\_\

                Neovim v0.12 configuration
                  (C) Frank Zechert 2026
]]

local map = vim.keymap.set

-- pressing ESC twices leaves terminal mode
map("t", "<Esc><Esc>", "<C-\\><C-n>", { desc = "Exit Terminal Mode" })

-- pressing ESC removes search highlights
map("n", "<Esc>", "<Cmd>nohlsearch<CR>", { desc = "Remove search result highlights" })

-- Smart buffer switch
-- switch to the alternative buffer ("#"), if not available, switch to the
-- previous buffer, if not possible, switch to the next buffer
local function smart_buffer_switch(current)
	local alternative = vim.fn.bufnr("#")
	local buffers = vim.fn.getbufinfo({ buflisted = 1 })
	local current_index = nil
	for index, buffer in ipairs(buffers) do
		if buffer.bufnr == current then
			current_index = index
			break
		end
	end
	-- try to switch to alternate buffer
	if alternative > 0 and vim.fn.buflisted(alternative) == 1 and alternative ~= current then
		vim.api.nvim_set_current_buf(alternative)
	-- try to switch to previous buffer
	elseif current_index and current_index > 1 then
		vim.api.nvim_set_current_buf(buffers[current_index - 1].bufnr)
	-- try to switch to next buffer
	elseif current_index and current_index < #buffers then
		vim.api.nvim_set_current_buf(buffers[current_index + 1].bufnr)
	end
end

local function smart_buffer_delete()
	local current = vim.api.nvim_get_current_buf()
	smart_buffer_switch(current)
	vim.cmd(":confirm bdelete " .. current)
end

local function smart_buffer_wipeout()
	local current = vim.api.nvim_get_current_buf()
	smart_buffer_switch(current)
	vim.cmd(":confirm bwipeout " .. current)
end

local function delete_other_buffers()
	local current = vim.api.nvim_get_current_buf()
	for _, buffer in ipairs(vim.api.nvim_list_buffers()) do
		if buffer ~= current and vim.bo[buffer].buflisted and not vim.bo[buffer].modified then
			vim.api.nvim_buf_delete(buffer, {})
		end
	end
end

local function wipeout_other_buffers()
	local current = vim.api.nvim_get_current_buf()
	for _, buffer in ipairs(vim.api.nvim_list_buffers()) do
		if buffer ~= current and vim.bo[buffer].buflisted and not vim.bo[buffer].modified then
			vim.cmd("bwipeout " .. buffer)
		end
	end
end

map("n", "<leader>bd", smart_buffer_delete, { desc = "Close Current Buffer" })
map("n", "<leader>bw", smart_buffer_wipeout, { desc = "Wipeout Current Buffer" })
map("n", "<leader>bD", delete_other_buffers, { desc = "Close All Other Buffers" })
map("n", "<leader>bW", wipeout_other_buffers, { desc = "Wipeout All Other Buffers" })

-- Trouble Keybinds
-- open diagnostics window
map("n", "<leader>xd", [[<Cmd>Trouble diagnostics toggle focus=false filter.buf=0<CR>]], { desc = "Toggle diagnostic message for current buffer" })
map("n", "<leader>xD", [[<Cmd>Trouble diagnostics toggle focus=false<CR>]], { desc = "Toggle diagnostic message for project" })
map("n", "grt", [[<Cmd>Trouble symbols toggle focus=false<CR>]], { desc = "Open TreeSitter Symbols" })
map("n", "grs", [[<Cmd>Trouble lsp_document_symbols toggle focus=false<CR>]], { desc = "Open LSP Document Symbols", silent = true, noremap = true })
map("n", "grS", [[<Cmd>Trouble lsp_workspace_symbols toggle focus=false<CR>]], { desc = "Open LSP Workspace Symbols", silent = true, noremap = true })
map("n", "grD", [[<Cmd>Trouble lsp_declarations toggle<CR>]], { desc = "Show LSP Declarations", silent = true, noremap = true })
map("n", "grd", [[<Cmd>Trouble lsp_definitions toggle<CR>]], { desc = "Show LSP Definitions", silent = true, noremap = true })
map("n", "gri", [[<Cmd>Trouble lsp_implementations toggle<CR>]], { desc = "Show LSP Implementations", silent = true, noremap = true })
map("n", "grc", [[<Cmd>Trouble lsp_incoming_calls toggle<CR>]], { desc = "Show LSP incoming calls", silent = true, noremap = true })
map("n", "grC", [[<Cmd>Trouble lsp_outgoing_calls toggle<CR>]], { desc = "Show LSP outgoing calls", silent = true, noremap = true })
map("n", "grr", [[<Cmd>Trouble lsp_references toggle<CR>]], { desc = "Show LSP references", silent = true, noremap = true })
map("n", "<leader>xq", [[<Cmd>Trouble qflist toggle focus=false<CR>]], { desc = "Show Quickfix List" })
map("n", "<leader>xl", [[<Cmd>Trouble loclist toggle focus=false<CR>]], { desc = "Show Location List" })
map("n", "grn", vim.lsp.buf.rename, { desc = "Rename", silent = true, noremap = true })
map("n", "gra", vim.lsp.buf.code_action, { desc = "Action", silent = true, noremap = true })
map("n", "gl", vim.diagnostic.open_float, { desc = "Open Diagnostic Float" })