local map = require('my.functions').map

local neogit = require('neogit')
neogit.setup {
    disable_commit_confirmation = true,
    kind = 'tab',
    integrations = {
        diffview = true
    },
    disable_insert_on_commit = false
}
map('n', '<Leader>gg', neogit.open, 'Open Neogit')

local gitgroup = vim.api.nvim_create_augroup('config_git', { clear = true })
-- enable spell checking
vim.api.nvim_create_autocmd({ 'FileType' }, {
    group = gitgroup,
    pattern = { 'gitcommit' },
    command = [[setlocal spell]]
})

-- start git commits in insert mode
vim.api.nvim_create_autocmd({ 'FileType' }, {
    group = gitgroup,
    pattern = { 'gitcommit', 'gitrebase' },
    command = [[startinsert | 1]]
})

-- split Neogit commit messages vertically if possible
vim.api.nvim_create_autocmd({ 'FileType' }, {
    group = gitgroup,
    pattern = { 'NeogitCommitMessage' },
    callback = require('autosplit')
})

-- fugitive and Neogit buffers
vim.api.nvim_create_autocmd({ 'FileType' }, {
    group = gitgroup,
    pattern = { 'git', 'Neogit*' },
    callback = function()
        vim.o.list = false
        -- when root is nil it can mess up pwd for some reason
        local root = require('my.functions').get_project_root()
        if root then
            vim.cmd.lcd(root)
        end
    end
})

require('gitsigns').setup({
    on_attach = function(bufnr)
        local gs = package.loaded.gitsigns

        map('n', '<Leader>gb', function() gs.blame_line({ full = true }) end,
            'Show blame for current line', bufnr)
    end
})

require('gitlinker').setup({
    callbacks = {
        ['schlomp.space'] = require('gitlinker.hosts').get_gitea_type_url,
        ['git.gentoo.org'] = function(url_data)
            url_data.host = 'gitweb.gentoo.org'
            return require('gitlinker.hosts').get_cgit_type_url(url_data)
        end,
        ['anongit.gentoo.org'] = function(url_data)
            url_data.host = 'gitweb.gentoo.org'
            url_data.repo = url_data.repo:gsub('^git/', '', 1)
            return require('gitlinker.hosts').get_cgit_type_url(url_data)
        end,
    }
})

require('which-key').register({ ['<Leader>g'] = { name = 'Git' } })
require('which-key').register({ ['<Leader>gc'] = { name = 'commit' } })
map('n', '<Leader>gcc', ':Git commit<CR>', 'commit')
map('n', '<Leader>gca', ':Git commit --amend<CR>', 'amend')
map('n', '<Leader>gP', ':Git push<CR>', 'push')
require('which-key').register({ ['<Leader>gp'] = { name = 'pull' } })
map('n', '<Leader>gpo', ':Git pull origin<CR>', 'origin')
map('n', '<Leader>gpu', ':Git pull upstream<CR>', 'upstream')
require('which-key').register({ ['<Leader>ga'] = { name = 'add' } })
map('n', '<Leader>gau', ':Git add --update --patch<CR>', '--update --patch')
map('n', '<Leader>ga%', ':Git add %<CR>', 'This file')
map('n', '<Leader>gl', ':Git log --decorate<CR>', 'log')
map('n', '<Leader>gs', ':Git status<CR>', 'status')