local function augroup(name)
    return vim.api.nvim_create_augroup("custom_" .. name, {})
end

vim.api.nvim_create_autocmd("FileType", {
    group = augroup("use_sentences"),
    pattern = {
        "vimwiki",
        "latex",
        "tex",
    },
    callback = function()
        vim.bo.formatprg = "/home/yigit/.local/bin/sentences"
    end,
})

vim.api.nvim_create_autocmd("VimLeave", {
    group = augroup("tex_clear"),
    pattern = {
        '*.tex',
    },
    command = "!texclear %",
})

vim.api.nvim_create_autocmd("VimResized", {
    group = augroup("sane_windows"),
    pattern = {
        '*.*',
    },
    command = "wincmd =",
})

-- https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/autocmds.lua
-- Set typst filetype
vim.api.nvim_create_autocmd(
    {
        "BufNewFile",
        "BufRead",
    },
    {
        group = augroup("typst"),
        pattern = "*.typ",
        callback = function()
            local buf = vim.api.nvim_get_current_buf()
            vim.api.nvim_set_option_value("filetype", "typst", { buf = buf })
            vim.api.nvim_set_option_value("shiftwidth", 2, { buf = buf })
        end
    }
)

-- Set PKGBUILD filetype
vim.api.nvim_create_autocmd(
    {
        "BufNewFile",
        "BufRead",
    },
    {
        group = augroup("pkgbuild"),
        pattern = "PKGBUILD",
        callback = function()
            local buf = vim.api.nvim_get_current_buf()
            vim.api.nvim_set_option_value("filetype", "PKGBUILD", { buf = buf })
        end
    }
)

-- Set buku-edit filetype
vim.api.nvim_create_autocmd(
    {
        "BufNewFile",
        "BufRead",
    },
    {
        group = augroup("buku-edit"),
        pattern = "buku-edit-*",
        callback = function()
            local buf = vim.api.nvim_get_current_buf()
            vim.api.nvim_set_option_value("filetype", "buku", { buf = buf })
        end
    }
)

-- Set mail filetype
vim.api.nvim_create_autocmd(
    {
        "BufNewFile",
        "BufRead",
    },
    {
        group = augroup("mail"),
        pattern = "/tmp/neomutt*",
        callback = function()
            local buf = vim.api.nvim_get_current_buf()
            vim.api.nvim_set_option_value("autoindent", false, { buf = buf })
            vim.api.nvim_set_option_value("filetype", "mail", { buf = buf })
            vim.api.nvim_set_option_value("wrapmargin", 0, { buf = buf })
            vim.api.nvim_set_option_value("textwidth", 80, { buf = buf })
        end
    }
)

-- Resize splits if window got resized
vim.api.nvim_create_autocmd({ "VimResized" }, {
    group = augroup("resize_splits"),
    callback = function()
        local current_tab = vim.fn.tabpagenr()
        vim.cmd("tabdo wincmd =")
        vim.cmd("tabnext " .. current_tab)
    end,
})

-- go to last loc when opening a buffer
vim.api.nvim_create_autocmd("BufReadPost", {
    group = augroup("last_loc"),
    callback = function(event)
        local exclude = { "gitcommit" }
        local buf = event.buf
        if vim.tbl_contains(exclude, vim.bo[buf].filetype) or vim.b[buf].lazyvim_last_loc then
            return
        end
        vim.b[buf].lazyvim_last_loc = true
        local mark = vim.api.nvim_buf_get_mark(buf, '"')
        local lcount = vim.api.nvim_buf_line_count(buf)
        if mark[1] > 0 and mark[1] <= lcount then
            pcall(vim.api.nvim_win_set_cursor, 0, mark)
        end
    end,
})

-- close some filetypes with <q>
vim.api.nvim_create_autocmd("FileType", {
    group = augroup("close_with_q"),
    pattern = {
        "PlenaryTestPopup",
        "checkhealth",
        "dbout",
        "gitsigns-blame",
        "grug-far",
        "help",
        "lspinfo",
        "neotest-output",
        "neotest-output-panel",
        "neotest-summary",
        "notify",
        "qf",
        "snacks_win",
        "spectre_panel",
        "startuptime",
        "tsplayground",
    },
    callback = function(event)
        vim.bo[event.buf].buflisted = false
        vim.schedule(function()
            vim.keymap.set("n", "q", function()
                vim.cmd("close")
                pcall(vim.api.nvim_buf_delete, event.buf, { force = true })
            end, {
                buffer = event.buf,
                silent = true,
                desc = "Quit buffer",
            })
        end)
    end,
})

-- Auto create dir when saving a file, in case some intermediate directory does not exist
vim.api.nvim_create_autocmd({ "BufWritePre" }, {
    group = augroup("auto_create_dir"),
    callback = function(event)
        if event.match:match("^%w%w+:[\\/][\\/]") then
            return
        end
        local file = vim.uv.fs_realpath(event.match) or event.match
        vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
    end,
})