-- ┌─────────────────────────────────────┐
-- │   ▜                ▐  ▐  ▗          │
-- │▛▀▖▐ ▌ ▌▞▀▌▗▖▖▞▀▘▞▀▖▜▀ ▜▀ ▄ ▛▀▖▞▀▌▞▀▘│
-- │▙▄▘▐ ▌ ▌▚▄▌▘▝ ▝▀▖▛▀ ▐ ▖▐ ▖▐ ▌ ▌▚▄▌▝▀▖│
-- │▌   ▘▝▀▘▗▄▘   ▀▀ ▝▀▘ ▀  ▀ ▀▘▘ ▘▗▄▘▀▀ │
-- └─────────────────────────────────────┘

local g = vim.g -- global for let options
local opt = vim.opt -- convenient :set
local cmd = vim.cmd -- vim commands

-- vimwiki {{{ --
g.vimwiki_list = {
    {
        path = '/home/yigit/nextcloud/personal_wiki/text',
        path_html = '/home/yigit/nextcloud/personal_wiki/html',
        auto_generate_tags = 1,
        automatic_nested_syntaxes = 1,
        template_path = '/home/yigit/nextcloud/personal_wiki/templates',
        template_default = 'default_template',
        template_ext = '.html',
        auto_export = 1,
        auto_tags = 1
    }
}

g.vimwiki_global_ext = 0
g.vimwiki_hl_headers = 1
-- }}} vimwiki --

-- lualine {{{ --

local function lualine_spell()
    if vim.wo.spell then
        return "spell"
    else
        return
    end
end

-- Grinds vim to a halt
local function lualine_tex_wordcount()
    return vim.fn['vimtex#misc#wordcount']() .. " ‽"
end

local conditions = {
    spell_on = function ()
        return vim.wo.spell
    end,
    filetype_is_tex = function()
        return vim.bo.filetype == "tex"
    end
}


require'lualine'.setup {
    options = {
        icons_enabled = true,
        theme = 'rose-pine',
        section_separators = { left = '', right = '' },
        component_separators = { left = '', right = '' },
    },
    sections = {
        lualine_a = {{'mode', fmt = string.lower}},
        lualine_b = {'branch', 'diff', {
            lualine_spell,
            cond = conditions.spell_on,
        }},
        lualine_c = {'filename'},
        lualine_x = {'encoding', 'fileformat', 'filetype'},
        lualine_y = {'progress'},
        lualine_z = {
            'location', {
                'diagnostics',
                sources = {'nvim_lsp'},
                sections = {'error', 'warn', 'info', 'hint'},
                symbols = {error = 'e', warn = 'w', info = 'i', hint = 'h'}
            }
        }
    },
    inactive_sections = {
        lualine_a = {},
        lualine_b = {},
        lualine_c = {'filename'},
        lualine_x = {},
        lualine_y = {},
        lualine_z = {}
    },
    tabline = {
        lualine_a = {'buffers'},
        lualine_b = {},
        lualine_c = {},
        lualine_x = {},
        lualine_y = {},
        lualine_z = {'tabs'}
    },
    extensions = {}
}

-- }}} lualine --

-- cutlass suite {{{ --

-- cutlass/yoink/subverse suite
g.yoinkIncludeDeleteOperations = 1

-- fix the Target STRING not available
g.clipboard = {
    name = 'xsel_override',
    copy = {
        ['+'] = 'xsel --input --clipboard',
        ['*'] = 'xsel --input --primary',
    },
    paste = {
        ['+'] = 'xsel --output --clipboard',
        ['*'] = 'xsel --output --primary',
    },
    cache_enabled = 1,
}

-- }}} cutlass suite --

-- UltiSnips {{{ --
g.UltiSnipsEditSplit = "vertical"
-- ctrl + l expands the snippet, c + j/k navigates placeholders
g.UltiSnipsExpandTrigger = "<C-l>"
g.UltiSnipsEnableSnipMate = "1"
g.UltiSnipsSnippetDirectories = {"my_snippets", "UltiSnips"}
-- }}} UltiSnips --

-- vimtex {{{ --
g.vimtex_view_method = 'zathura'
g.vimtex_quickfix_mode = 0
-- }}} vimtex --

-- filetype.nvim {{{ --
require('filetype').setup({
    overrides = {
        literal = {
            PKGBUILD = 'PKGBUILD',
        },
    }
})
-- }}} filetype.nvim --

-- ledger {{{ --
g.ledger_maxwidth = 80
g.ledger_fillstring = '   -'
-- }}} ledger --

-- devicons {{{ --
require'nvim-web-devicons'.setup {
    override = {
        wiki = {
            icon  = "",
            color = "#D7827E",
            name  = "vimwiki"
        },
        rem = {
            icon  = "",
            color = "#B4637A",
            name  = "remind"
        },
        mail = {
            icon  = "",
            color = "#907AA9",
            name  = "mail"
        },
    };

    default = true
}
-- }}}  devicons --

-- vim-slime {{{ --
g.slime_target = "tmux"
g.slime_paste_file = "$HOME/.slime_paste"
g.slime_default_config = {socket_name = vim.call("get", vim.call("split", vim.env.TMUX, ','), "0"), target_pane = "{last}"}
-- }}} vim-slime --

-- gutentags {{{ --
g.gutentags_enabled = 1
g.gutentags_add_default_project_roots = 0
g.gutentags_project_root = {'Makefile', '.git'}
g.gutentags_exclude_filetypes = {'gitcommit', 'gitconfig', 'gitrebase', 'gitsendemail', 'git'}
g.gutentags_generate_on_new = 1
g.gutentags_generate_on_missing = 1
g.gutentags_generate_on_write = 1
g.gutentags_generate_on_empty_buffer = 0
g.gutentags_ctags_exclude = {
    '*.git', '*.svn', '*.hg',
    'cache', 'build', 'dist', 'bin', 'node_modules', 'bower_components',
    '*-lock.json',  '*.lock',
    '*.min.*',
    '*.bak',
    '*.zip',
    '*.pyc',
    '*.class',
    '*.sln',
    '*.csproj', '*.csproj.user',
    '*.tmp',
    '*.cache',
    '*.vscode',
    '*.pdb',
    '*.exe', '*.dll', '*.bin',
    '*.mp3', '*.ogg', '*.flac',
    '*.swp', '*.swo',
    '.DS_Store', '*.plist',
    '*.bmp', '*.gif', '*.ico', '*.jpg', '*.png', '*.svg',
    '*.rar', '*.zip', '*.tar', '*.tar.gz', '*.tar.xz', '*.tar.bz2',
    '*.pdf', '*.doc', '*.docx', '*.ppt', '*.pptx', '*.xls',
}
-- }}} gutentags --

-- telescope {{{ --
require('telescope').setup {
  extensions = {
    fzf = {
      fuzzy = true,                    -- false will only do exact matching
      override_generic_sorter = true,  -- override the generic sorter
      override_file_sorter = true,     -- override the file sorter
      case_mode = "smart_case",        -- or "ignore_case" or "respect_case"
                                       -- the default case_mode is "smart_case"
    }
  }
}

require('telescope').load_extension('fzf')
-- }}} telescope --

-- dashboard {{{ --
g.dashboard_default_executive   = 'telescope'
g.dashboard_preview_command     = 'cat'
g.dashboard_preview_file        = '~/.config/nvim/neovim.cat'
g.dashboard_preview_file_height = 13
g.dashboard_preview_file_width  = 90
g.dashboard_footer_icon         = '💃 '

g.dashboard_custom_shortcut = {
    last_session       = '<leader> s l',
    find_history       = '<leader> f h',
    find_file          = '<leader> f f',
    new_file           = '<leader> c n',
    change_colorscheme = '<leader> t c',
    find_word          = '<leader> f a',
    book_marks         = '<leader> f b',
}

-- }}}  dashboard --

-- treesitter {{{ --

require 'nvim-treesitter.configs'.setup {
    ensure_installed = "maintained",
    highlight = {
        enable = true,
        additional_vim_regex_highlighting = false,
    },
    incremental_selection = {
        enable = true,
        keymaps = {
            init_selection = "gnn",
            node_incremental = "grn",
            scope_incremental = "grc",
            node_decremental = "grm",
        },
    },
    indent = {
        enable = true
    }
}
-- }}} treesitter --

-- nvim-cmp {{{ --
local cmp = require'cmp'

cmp.setup({
    snippet = {
        expand = function(args)
            vim.fn["UltiSnips#Anon"](args.body)
        end,
    },
    mapping = {
        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
        ['<C-f>'] = cmp.mapping.scroll_docs(4),
        ['<C-Space>'] = cmp.mapping.complete(),
        ['<C-e>'] = cmp.mapping.close(),
        ['<C-l>'] = cmp.mapping.confirm({ select = true }),
    },
    sources = {
        { name = 'nvim_lsp' },
        { name = 'ultisnips' },
        { name = 'buffer' },
    }
})

-- }}} nvim-cmp --

-- nvim-lsp {{{ --
local nvim_lsp = require('lspconfig')

local on_attach = function(client, bufnr)
    local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
    local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

    -- Enable completion triggered by <c-x><c-o>
    buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

    -- Mappings.
    local opts = { noremap=true, silent=true }

    -- See `:help vim.lsp.*` for documentation on any of the below functions
    buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
    buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
    buf_set_keymap('n', 'vh', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
    buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
    buf_set_keymap('n', 'gh', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
    buf_set_keymap('n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
    buf_set_keymap('n', '<leader>wd', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
    buf_set_keymap('n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
    buf_set_keymap('n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
    buf_set_keymap('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
    buf_set_keymap('n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
    buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
    buf_set_keymap('n', '<leader>d', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
    buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
    buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
    buf_set_keymap('n', '<leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
    buf_set_keymap('n', '<leader>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
end

local servers = { 'rust_analyzer', 'jedi_language_server', 'texlab', 'clangd' }
for _, lsp in ipairs(servers) do
    nvim_lsp[lsp].setup {
        on_attach = on_attach,
        flags = {
            debounce_text_changes = 150,
        },
        capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
    }
end

nvim_lsp['efm'].setup{
    on_attach = on_attach,
    filetypes = { 'sh' },
    capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
}

-- }}} nvim-lsp --

-- vista {{{ --
g.vista_icon_indent = {"╰ ", "│ "}
-- }}} vista --

-- indent-blankline {{{ --
vim.opt.list = true

require("indent_blankline").setup {
    show_current_context = true,
    char = "┊",
    buftype_exclude = {"terminal"},
    filetype_exclude = {"dashboard", "help", "ledger", "man"}
}
-- }}} indent-blankline --

-- nvim-autopairs {{{ --

require('nvim-autopairs').setup({
    disable_filetype = { "TelescopePrompt" },
})

local cmp_autopairs = require('nvim-autopairs.completion.cmp')
local cmp = require('cmp')
cmp.event:on( 'confirm_done', cmp_autopairs.on_confirm_done())

local Rule = require('nvim-autopairs.rule')
local npairs = require('nvim-autopairs')

npairs.add_rule(Rule('%"','%"',"remind"))

-- }}} nvim-autopairs --

-- nvim-tree {{{ --

require'nvim-tree'.setup {
    disable_netrw       = true,
    hijack_netrw        = true,
    open_on_setup       = false,
    ignore_ft_on_setup  = {},
    -- closes neovim automatically when the tree is the last **WINDOW** in the view
    auto_close          = true,
    open_on_tab         = false,
    -- hijacks new directory buffers when they are opened.
    update_to_buf_dir   = {
        -- enable the feature
        enable = true,
        -- allow to open the tree if it was previously closed
        auto_open = true,
    },
    -- hijack the cursor in the tree to put it at the start of the filename
    hijack_cursor       = false,
    -- updates the root directory of the tree on `DirChanged` (when your run `:cd` usually)
    update_cwd          = true,
    -- show lsp diagnostics in the signcolumn
    diagnostics = {
        enable = false,
        icons = {
            hint = "❔",
            info = "❕",
            warning = "❗",
            error = "❌",
        }
    },
    -- update the focused file on `BufEnter`, un-collapses the folders recursively until it finds the file
    update_focused_file = {
        -- enables the feature
        enable      = false,
        -- update the root directory of the tree to the one of the folder containing the file if the file is not under the current root directory
        update_cwd  = false,
        -- list of buffer names / filetypes that will not update the cwd if the file isn't found under the current root directory
        ignore_list = {}
    },
    -- configuration options for the system open command (`s` in the tree by default)
    system_open = {
        -- the command to run this, leaving nil should work in most cases
        cmd  = nil,
        -- the command arguments as a list
        args = {}
    },

  view = {
    -- width of the window, can be either a number (columns) or a string in `%`, for left or right side placement
    width = 30,
    -- height of the window, can be either a number (columns) or a string in `%`, for top or bottom side placement
    height = 30,
    -- side of the tree, can be one of 'left' | 'right' | 'top' | 'bottom'
    side = 'left',
    -- if true the tree will resize itself after opening a file
    auto_resize = false,
    mappings = {
      -- custom only false will merge the list with the default mappings
      -- if true, it will only use your list to set the mappings
      custom_only = false,
      -- list of mappings to set on the tree manually
      list = {}
    }
  }
}
-- }}} nvim-tree --

-- nvim-colorizer {{{ --
require 'colorizer'.setup()
-- }}} nvim-colorizer --

-- gitsigns.nvim {{{ --

require('gitsigns').setup {
  signs = {
    add          = {hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'},
    change       = {hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
    delete       = {hl = 'GitSignsDelete', text = '_', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    topdelete    = {hl = 'GitSignsDelete', text = '‾', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    changedelete = {hl = 'GitSignsChange', text = '~', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},

  },
  signcolumn = true,  -- Toggle with `:Gitsigns toggle_signs`
  numhl      = false, -- Toggle with `:Gitsigns toggle_numhl`
  linehl     = false, -- Toggle with `:Gitsigns toggle_linehl`
  word_diff  = false, -- Toggle with `:Gitsigns toggle_word_diff`
  keymaps = {
    -- Default keymap options
    noremap = true,

    ['n ]c'] = { expr = true, "&diff ? ']c' : '<cmd>lua require\"gitsigns.actions\".next_hunk()<CR>'"},
    ['n [c'] = { expr = true, "&diff ? '[c' : '<cmd>lua require\"gitsigns.actions\".prev_hunk()<CR>'"},

    ['n <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk()<CR>',
    ['v <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hu'] = '<cmd>lua require"gitsigns".undo_stage_hunk()<CR>',
    ['n <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk()<CR>',
    ['v <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hR'] = '<cmd>lua require"gitsigns".reset_buffer()<CR>',
    ['n <leader>hp'] = '<cmd>lua require"gitsigns".preview_hunk()<CR>',
    ['n <leader>hb'] = '<cmd>lua require"gitsigns".blame_line(true)<CR>',
    ['n <leader>hS'] = '<cmd>lua require"gitsigns".stage_buffer()<CR>',
    ['n <leader>hU'] = '<cmd>lua require"gitsigns".reset_buffer_index()<CR>',

    -- Text objects
    ['o ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>',
    ['x ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>'
  },
  watch_gitdir = {
    interval = 1000,
    follow_files = true
  },
  attach_to_untracked = true,
  current_line_blame = false, -- Toggle with `:Gitsigns toggle_current_line_blame`
  current_line_blame_opts = {
    virt_text = true,
    virt_text_pos = 'eol', -- 'eol' | 'overlay' | 'right_align'
    delay = 1000,
  },
  current_line_blame_formatter_opts = {
    relative_time = false
  },
  sign_priority = 6,
  update_debounce = 100,
  status_formatter = nil, -- Use default
  max_file_length = 40000,
  preview_config = {
    -- Options passed to nvim_open_win
    border = 'single',
    style = 'minimal',
    relative = 'cursor',
    row = 0,
    col = 1
  },
  yadm = {
    enable = true
  },
}

-- }}} gitsigns.nvim --