---@diagnostic disable: duplicate-set-field, need-check-nil, param-type-mismatch, assign-type-mismatch
local dialog = require 'bugabinga.pivi.dialog'

describe( 'pivi dialog', function()
  local original_select, original_input, original_notify

  before_each( function()
    original_select = vim.ui.select
    original_input = vim.ui.input
    original_notify = vim.notify
  end )

  after_each( function()
    vim.ui.select = original_select
    vim.ui.input = original_input
    vim.notify = original_notify
    dialog.reset()
  end )

  local collect = function()
    local answers = {}
    return answers, function( response ) table.insert( answers, response ) end
  end

  it( 'ignores frames that are not extension ui requests', function()
    local _, respond = collect()
    assert.is_false( dialog.handle( { type = 'agent_start', }, respond ) )
  end )

  it( 'answers a selection with the request identifier', function()
    local offered
    vim.ui.select = function( items, _, on_choice )
      offered = items
      on_choice( items[2] )
    end

    local answers, respond = collect()
    local handled = dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-1',
      method = 'select',
      title = 'Allow dangerous command?',
      options = { 'Allow', 'Block', },
    }, respond )

    assert.is_true( handled )
    assert.same( { 'Allow', 'Block', }, offered )
    assert.equal( 'extension_ui_response', answers[1].type )
    assert.equal( 'uuid-1', answers[1].id )
    assert.equal( 'Block', answers[1].value )
  end )

  it( 'answers a dismissed dialog as cancelled', function()
    vim.ui.select = function( _, _, on_choice ) on_choice( nil ) end

    local answers, respond = collect()
    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-2',
      method = 'select',
      title = 'pick',
      options = { 'a', },
    }, respond )

    assert.is_true( answers[1].cancelled )
    assert.is_nil( answers[1].value )
  end )

  it( 'answers a confirmation with a boolean', function()
    vim.ui.select = function( _, _, on_choice ) on_choice 'yes' end

    local answers, respond = collect()
    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-3',
      method = 'confirm',
      title = 'Clear session?',
      message = 'All messages will be lost.',
    }, respond )

    assert.is_true( answers[1].confirmed )
    assert.equal( 'uuid-3', answers[1].id )
  end )

  it( 'answers text input and editor requests', function()
    vim.ui.input = function( options, on_confirm ) on_confirm( ( options.default or '' ) .. '!' ) end

    local answers, respond = collect()
    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-4',
      method = 'input',
      title = 'Enter a value',
      placeholder = 'seed',
    }, respond )
    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-5',
      method = 'editor',
      title = 'Edit text',
      prefill = 'draft',
    }, respond )

    assert.equal( 'seed!', answers[1].value )
    assert.equal( 'uuid-4', answers[1].id )
    assert.equal( 'draft!', answers[2].value )
    assert.equal( 'uuid-5', answers[2].id )
  end )

  it( 'shows a notification without answering', function()
    local seen = {}
    vim.notify = function( message, level ) table.insert( seen, { message, level, } ) end

    local answers, respond = collect()
    local handled = dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-6',
      method = 'notify',
      message = 'Command blocked by user',
      notifyType = 'warning',
    }, respond )

    assert.is_true( handled )
    assert.equal( 0, #answers )
    assert.equal( 'Command blocked by user', seen[1][1] )
    assert.equal( vim.log.levels.WARN, seen[1][2] )
  end )

  it( 'keeps status and widget entries without answering', function()
    local answers, respond = collect()

    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-7',
      method = 'setStatus',
      statusKey = 'ext',
      statusText = 'Turn 3 running...',
    }, respond )
    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-8',
      method = 'setWidget',
      widgetKey = 'ext',
      widgetLines = { 'line one', 'line two', },
    }, respond )

    assert.equal( 0, #answers )
    assert.equal( 'Turn 3 running...', dialog.statuses().ext )
    assert.same( { 'line one', 'line two', }, dialog.widgets().ext )

    dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-9',
      method = 'setStatus',
      statusKey = 'ext',
    }, respond )
    assert.is_nil( dialog.statuses().ext )
  end )

  it( 'reports an unsupported method as unhandled', function()
    local _, respond = collect()
    assert.is_false( dialog.handle( {
      type = 'extension_ui_request',
      id = 'uuid-10',
      method = 'custom',
    }, respond ) )
  end )
end )