local curl = require("plenary.curl")
local helpers = require("eta.helpers")
local M = {}

---@class eta.clickup.Session: eta.Session
---@field user string
---@field workspace string

---@class eta.clickup.Ref
---@field name string
---@field id string

---@class eta.clickup.Dep
---@field task_id string
---@field depends_on string

---@class eta.clickup.Task
---@field id string
---@field name string
---@field tags? table[]
---@field locations? table[]
---@field list? eta.clickup.Ref
---@field parent? string | nil
---@field dependencies? eta.clickup.Dep[]
---@field [string] string

---@param self eta.clickup.Session
---@return eta.clickup.Task[]
M.latest_tasks = function(self)
  local ret = helpers.request("get", self, "/team/" .. self.workspace .. "/task",{subtasks="true", include_markdown_description="true", ['assignees[]']= self.user})
  if ret then
    return ret.tasks
  end
  return {}
end

---@param self eta.clickup.Session
---@param id string
---@return eta.clickup.Task
M.task = function(self, id)
  local ret = helpers.request("get", self, "/task/" .. id,{include_markdown_description="true"}) or {}
  return ret
end

---@param self eta.clickup.Session
---@param id string
M.task_relations = function(self, id)
  local ret = helpers.request("get", self, "/task/" .. id .. "/dependency", {}) or {}
  return ret
end

M.insert_ref = function()
  local pos = vim.api.nvim_win_get_cursor(0)
  local row = pos[1] - 1
  local col = pos[2]
  local tasks = M.latest_tasks(require("plugin.eta").clickup_session)

  ---@type SelectionItem[]
  local items = {}

  for tix, t in ipairs(tasks) do
    if string.sub(t.name, -7, -1) ~= "Absence" then
      local preview_frontmatter = ""

      ---@type SelectionItem
      local prepared = {
        idx = tix,
        id = t.id,
        text = t.name .. t.id .. t.markdown_description,
        name = t.name,
        tags = require("plugin.eta").retrieve_subkeys(t.tags, { "name" }),
        status = t.status.status,
        parent = t.parent,
        list = t.list.name,
        description = t.markdown_description,
        preview = {
          ft = "markdown",
        },
        action = M._on_select_task
      }

      for _, k in ipairs({ "id", "name", "status", "tags", "parent" }) do
        preview_frontmatter = preview_frontmatter .. "\n" .. k .. ": " .. vim.json.encode(prepared[k])
      end

      prepared.preview.text = "---" .. preview_frontmatter .. "\n---\n" .. t.markdown_description
      table.insert(items, #items + 1, prepared)
    end
  end

  require("snacks.picker").pick({
    title = "Select Task",
    format = require("plugin.eta")._item_format,
    preview = "preview",
    confirm = function(picker, item)
      picker:close()
      vim.api.nvim_buf_set_text(0, row, col, row, col,
        { "[#" .. item.id .. "](https://app.clickup.com/t/" .. item.id .. ")" })
    end,
    items = items
  })
end
return M