-- Author        : swytch
-- Created       : Monday May 24, 2021 20:02:19 CET
-- License       : GPLv3
-- Description   : treesitter config file

return {
    "nvim-treesitter/nvim-treesitter",
    dependencies = {
        -- Additional text objects via treesitter
        "nvim-treesitter/nvim-treesitter-textobjects",
    },
    build = ":TSUpdate",
    opts = {
        ensure_installed = {
            "c", "cpp", "lua", "rust", "bash", "vim", "latex", "python",
            "html", "javascript", "json", "markdown"
        },
        highlight = {
            enable = true,
        },
        indent = {
            enable = true,
        },
        incremental_selection = {
            enable = true,
            keymaps = {
                init_selection = "<C-Space>",
                node_incremental = "<C-Space>",
                scope_incremental = "<Tab>",
                node_decremental = "<BS>",
            },
        },
        textobjects = {
            select = {
                enable = true,
                lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
                keymaps = {
                    -- use the capture groups defined in textobjects.scm
                    ["ap"] = {
                        query = "@parameter.outer",
                        desc = "Select parameter region"
                    },
                    ["ip"] = {
                        query = "@parameter.inner",
                        desc = "Select inner part of a parameter region"
                    },
                    ["af"] = {
                        query = "@function.outer",
                        desc = "Select a function block"
                    },
                    ["if"] = {
                        query = "@function.inner",
                        desc = "Select inner part of a function"
                    },
                    ["ac"] = {
                        query = "@class.outer",
                        desc = "Select a class block"
                    },
                    ["ic"] = {
                        query = "@class.inner",
                        desc = "Select inner part of a class"
                    },
                },
            },
            move = {
                enable = true,
                set_jumps = true, -- whether to set jumps in the jumplist
                goto_next_start = {
                    ["]m"] = {
                        query = "@function.outer",
                        desc = "Jump to next function",
                    },
                    ["])"] = {
                        query = "@class.outer",
                        desc = "Jump to next class",
                    },
                },
                goto_next_end = {
                    ["]M"] = {
                        query = "@function.outer",
                        desc = "Jump after next function",
                    },
                    ["]]"] = {
                        query = "@class.outer",
                        desc = "Jump after next class",
                    },
                },
                goto_previous_start = {
                    ["[m"] = {
                        query = "@function.outer",
                        desc = "Jump to previous function",
                    },
                    ["[)"] = {
                        query = "@class.outer",
                        desc = "Jump to previous class",
                    },
                },
                goto_previous_end = {
                    ["[M"] = {
                        query = "@function.outer",
                        desc = "Jump after previous function",
                    },
                    ["[]"] = {
                        query = "@class.outer",
                        desc = "Jump after previous class",
                    },
                },
            },
            swap = {
                enable = true,
                swap_next = {
                    ["<leader>a"] = {
                        query = "@parameter.inner",
                        desc = "Swap with next parameter",
                    },
                },
                swap_previous = {
                    ["<leader>A"] = {
                        query = "@parameter.inner",
                        desc = "Swap with previous parameter",
                    },
                },
            },
        },
    },
    config = function(_, opts)
        require("nvim-treesitter.configs").setup(opts)
    end
}