package ledger

import (
	"path/filepath"
	"testing"
)

func TestFileTestdata(t *testing.T) {
	paths, err := filepath.Glob("./testdata/*")
	if err != nil {
		t.Fatal(err)
	}

	for _, pathd := range paths {
		path := pathd
		t.Run(path, func(t *testing.T) {
			f, err := NewFile(path)
			if err != nil {
				t.Fatal(err)
			}
			transactions, err := f.Deltas()
			if err != nil {
				t.Fatal(err)
			}
			for i := range transactions {
				t.Logf("%+v", transactions[i].Debug())
			}
		})
	}
}

func TestFileDeltas(t *testing.T) {
	happy := []Delta{
		{
			Date:        "2022-12-12",
			Account:     "AssetAccount:Cash:Fidelity76",
			Value:       -97.92,
			Currency:    USD,
			Description: "Electricity / Power Bill TG2PJ-2PLP5",
		},
		{
			Date:        "2022-12-12",
			Account:     "Withdrawal:0:SharedHome:DominionEnergy",
			Value:       97.92,
			Currency:    USD,
			Description: "Electricity / Power Bill TG2PJ-2PLP5",
		},
		{
			Date:        "2022-12-12",
			Account:     "AssetAccount:Cash:Fidelity76",
			Value:       -1.00,
			Currency:    USD,
			Description: "Test pay chase TG32S-BT2FF",
		},
		{
			Date:        "2022-12-12",
			Account:     "Debts:Credit:ChaseFreedomUltdVisa",
			Value:       1.00,
			Currency:    USD,
			Description: "Test pay chase TG32S-BT2FF",
		},
	}

	cases := map[string][]Delta{
		"empty": nil,
		"one":   happy[:2],
		"happy": happy[:],
	}

	for name, d := range cases {
		want := d
		t.Run(name, func(t *testing.T) {
			f, err := NewFile("./testdata/" + name + ".dat")
			if err != nil {
				t.Fatal(err)
			}

			deltas, err := f.Deltas()
			if err != nil {
				t.Fatal(err)
			}

			if len(deltas) != len(want) {
				t.Error(len(deltas))
			}
			for i := range want {
				if i >= len(deltas) {
					break
				}
				if want[i] != deltas[i] {
					t.Errorf("[%d] \n\twant=%s, \n\t got=%s", i, want[i].Debug(), deltas[i].Debug())
				}
			}
		})
	}
}