<?php

namespace Tests;

use App\Http\Controllers\GiteaApiController\GiteaExport;
use Tests\TestCase;

class CsvGenerationTest extends TestCase
{


    protected function setUp(): void
    {
        parent::setUp();
        $this->test_date_year = config('app.test_export_date_yyyy');
        $this->test_date_month = config('app.test_export_date_mm');
        $this->test_export_total_cost = config('app.test_export_total_cost');
        $this->test_export_total_cost_minus_percentage = config('app.test_export_total_cost_minus_percentage');
        $this->test_export_agents_cost = json_decode(config('app.test_export_agents_cost'));
        $this->test_export_agent_percentage_deducted = json_decode(config('app.test_export_agent_percentage_deducted'));
        $this->test_file_hash_without_agents = config('app.test_file_hash_without_agents');
        $this->test_file_hash_with_agents = config('app.test_file_hash_with_agents');
        $this->issueType = 'closed';
    }

    private function test_total_cost($parsed_generated_csv){
        $total_cost_index = array_search('Costo totale',$parsed_generated_csv[0]);
        $total_cost_column = array_column($parsed_generated_csv,$total_cost_index);
        array_shift($total_cost_column);
        array_pop($total_cost_column);
        $total_cost_sum = 0;
        foreach($total_cost_column as $row){
            $total_cost_sum += (float) $row;
        }
        $this->assertEquals($this->test_export_total_cost, $total_cost_sum);
    }
    public function test_export_values_without_agents_cost()
    {
        $gitea_export = new GiteaExport();
        $export_date =$this->test_date_year .'-'. $this->test_date_month .'-';
        $gitea_export->export_issues($export_date . '01', $export_date . '31', ['state' => 'closed']);
        $generated_csv_string = ob_get_contents();
        $generated_csv = explode("\n", $generated_csv_string);
        $parsed_generated_csv = array_map(function($row) {
            return str_getcsv($row);
        }, $generated_csv);

        $generated_csv_hash = md5($generated_csv_string);
        $this->assertEquals($generated_csv_hash, $this->test_file_hash_without_agents);
        //Check if total sum is the same both on the csv and the env var
        $this->test_total_cost($parsed_generated_csv);
    }

    function extract_agents_column($parsed_generated_csv, $test_export_agents_cost){
        foreach ($test_export_agents_cost as $agent_name => $agent_total_cost){
            $agent_position = array_search($agent_name,$parsed_generated_csv[0]);
            if(!$agent_position) break;
            $agents_columns[$agent_name] = [
                'agent_time' => array_column($parsed_generated_csv,$agent_position),
                'agent_cost' => array_column($parsed_generated_csv,$agent_position+1),
            ];
            array_shift($agents_columns[$agent_name]['agent_time']);
            array_shift($agents_columns[$agent_name]['agent_cost']);
        }
        return $agents_columns;
    }

    //Check for each agent, if their total costs is the same as the env reference
    private function test_single_agent_cost($agents_columns, $parsed_generated_csv_header){
        foreach($agents_columns as $agent_name => $agent_column){
            $agent_total = end($agent_column['agent_cost']);
            $this->assertEquals($this->test_export_agents_cost->$agent_name, $agent_total);
        }
    }

    //Check for each agent, if their cost column sum is the same as their env total cost reference
    private function test_single_agent_total_sum($agents_columns){
        foreach($agents_columns as $agent_name => $agent_column){
            $agent_total = 0;
            foreach(array_slice($agent_column['agent_cost'], 0, -1) as $agent_cost){
                $agent_total += (float)$agent_cost;
            }
            $test = (string) $agent_total;
            $this->assertEquals($this->test_export_agents_cost->$agent_name, $test);
        }
    }

    //Check if the total sum - % to deduct is the same as the agents cost total sum
    private function test_agents_total_cost_equals_total_sum_minus_percentage($agents_columns){
        $agents_total_cost_calculated = 0;
        foreach($agents_columns as $agent_name => $agent_column){
            $agent_cost_voice =  (float)end($agent_column['agent_cost']);
            $agents_total_cost_calculated = $agents_total_cost_calculated + $agent_cost_voice;
        }
        $this->assertEquals($this->test_export_total_cost_minus_percentage, $agents_total_cost_calculated);
    }

    //Check if the total sum - % to deduct is the same as the agents cost total sum
    public function test_export_values_with_agents_cost()
    {
        $calculate_agent_cost = true;
        $gitea_export = new GiteaExport(
            $calculate_agent_cost,
        );

        $export_date =$this->test_date_year .'-'. $this->test_date_month .'-';
        $gitea_export->export_issues($export_date . '01', $export_date . '31', ['state' => 'closed']);
        $generated_csv_string = ob_get_contents();
        $generated_csv = explode("\n", $generated_csv_string);

        $parsed_generated_csv = array_map(function($row) {
            return str_getcsv($row);
        }, $generated_csv);

        $agents_columns = $this->extract_agents_column($parsed_generated_csv, $this->test_export_agents_cost);
        //Check if hash of generated csv and env reference are the same
        $this->assertEquals(md5($generated_csv_string), $this->test_file_hash_with_agents);

        //Check if total sum is the same both on the csv and the env var
        $this->test_total_cost($parsed_generated_csv);

        //Check for each agent, if their total costs is the same as the env reference
        $this->test_single_agent_cost($agents_columns,$parsed_generated_csv[0]);

        //Check for each agent, if their cost column sum is the same as their env total cost reference
        $this->test_single_agent_total_sum($agents_columns);

        //Check if the total sum - % to deduct is the same as the agents cost total sum
        $this->test_agents_total_cost_equals_total_sum_minus_percentage($agents_columns);

        //TODO RECALCULATE EACH AGENT COST WITH TEST PRICE
    }
}