# app/controllers/dashboards_controller.rb
class DashboardsController < ApplicationController
	def show
		@entries = current_user.entries.order(date: :desc)
		
		valid_entries = @entries.select { |e| e.date.present? }
		
		@report = valid_entries.group_by { |e| e.date.beginning_of_month }
		          .transform_values do |entries|
			entries.group_by { |e| [e.praktikums_typ, e.entry_art] }
			.transform_values do |subset|
				minutes = subset.sum(&:total_minutes)
				{ hours: minutes / 60, minutes: minutes % 60 }
			end
		end
		
		@monthly_minutes_chart_data = @report.transform_keys { |date| date.strftime("%b") }
		                              .transform_values do |groups|
			groups.values.sum { |data| data[:hours] * 60 + data[:minutes] }
		end
		
		@monthly_targets = Hash.new(1500) # z.B. 25h im Monat als Ziel → 1500min
		
		@total_minutes = @entries.sum(&:total_minutes)
		@last_entry = @entries.first
		@completed_percent = ((@total_minutes.to_f / 10000) * 100).round(1)
		@remaining_total = [10000 - @total_minutes, 0].max
	end
end