package web

import (
    "nickiel.net/recount_server/web/templates"

	"context"
	"database/sql"
	"encoding/json"
	"fmt"
	"net/http"
	"time"

	"github.com/go-chi/chi/v5"
	"github.com/rs/zerolog/log"
	"nickiel.net/recount_server/types"
)


const DEFAULT_RESULT_COUNT = 20;

func GetTransactionsRows(w http.ResponseWriter, req *http.Request) {
    transactions := make([]types.HumanLegibleTransaction, 10)

	// Populate the slice with dummy data (you can replace this with your actual data)
	for i := 10; i > 0; i-- {
		transaction := types.HumanLegibleTransaction{
			Id:          i,
			Amount:      fmt.Sprintf("%d.00", (i+1)*100),
			Description: sql.NullString{String: fmt.Sprintf("Transaction %d", i+1), Valid: true},
			AccountName: sql.NullString{String: "Savings", Valid: true},
			Account:     123,
			Bucket:      sql.NullInt64{Int64: int64(i + 100), Valid: true},
			BucketName:  sql.NullString{String: fmt.Sprintf("Bucket %d", i+1), Valid: true},
			Date:        time.Now(),
		}

		transactions[10 - i] = transaction
	}

    component := templates.TransactionRows(&transactions);
    component.Render(context.Background(), w);
}

func GetTransactionQuickAccessEntries(w http.ResponseWriter, req *http.Request) {
    transactions := make([]types.HumanLegibleTransaction, 20)

	// Populate the slice with dummy data (you can replace this with your actual data)
	for i := 0; i < 20; i++ {
		transaction := types.HumanLegibleTransaction{
			Id:          i,
			Amount:      fmt.Sprintf("%d.00", (i+1)*100),
			Description: sql.NullString{String: fmt.Sprintf("Transaction %d", i+1), Valid: true},
			AccountName: sql.NullString{String: "Savings", Valid: true},
			Account:     123,
			Bucket:      sql.NullInt64{Int64: int64(i + 100), Valid: true},
			BucketName:  sql.NullString{String: fmt.Sprintf("Bucket %d", i+1), Valid: true},
			Date:        time.Now(),
		}

		transactions[i] = transaction
	}
    component := templates.TransactionQuickAccessEntries(&transactions);
    component.Render(context.Background(), w);
}

func GetExpenditureChart(w http.ResponseWriter, req *http.Request) {
    data_package := struct{
        Labels []string `json:"labels"`
        IncomeDataset []int `json:"income_data"`
        ExpensesDataset []int `json:"expenses_data"`
    } {
        Labels: []string{"Income", "Expenses"},
        IncomeDataset: []int {300, 250},
        ExpensesDataset: []int {200, 100},
    };

    json_data, err := json.Marshal(data_package);
    if err != nil {
        log.Fatal().Err(err).Msg("Could not jsonify data_package");   
    }
    
    w.Write(json_data);
}

func GetAccountSummaries(w http.ResponseWriter, req *http.Request) {
    accounts := make([]types.TwoIntsItem, 20)
    for i := 0; i < 20; i++ {
        accounts[i] = types.TwoIntsItem {Item1: i*100, Item2: i+5}
    }
    component := templates.AccountSummaryRows(&accounts)
    component.Render(context.Background(), w)
}

func GetAccountSummaryChart(w http.ResponseWriter, req *http.Request) {
    accountID := chi.URLParam(req, "accountID")
    
    data_package := types.ChartjsData {
        Labels: []string {accountID, "1/10", "1/17", "1/24"},
        Data: []int {100, 0, -50, 25},
    }

    json_data, err := json.Marshal(data_package);
    if err != nil {
        log.Fatal().Err(err).Msg("Could not jsonify data_package");   
    }
    
    w.Write(json_data);
}