package qso

import (
	"context"
	"database/sql"
	"testing"

	_ "modernc.org/sqlite"
)

// A LoTW confirmation the ARRL has validated arrives as V, not Y — ADIF's
// QSL_Rcvd enumeration has both. Every SQL query here compared against 'Y'
// alone, so the band/mode matrix showed an entity as merely worked while the
// Awards panel beside it showed the same entity validated on five bands.
//
// This drives the real queries against a real database rather than asserting on
// the constant: the constant being right is not the point, the queries using it
// is.
func TestConfirmedCountsVerifiedNotJustYes(t *testing.T) {
	db, err := sql.Open("sqlite", "file:confirmedvalues?mode=memory&cache=shared")
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if _, err := db.Exec(`CREATE TABLE qso (
		id INTEGER PRIMARY KEY, callsign TEXT, dxcc INTEGER, band TEXT, mode TEXT,
		lotw_rcvd TEXT, qsl_rcvd TEXT, eqsl_rcvd TEXT)`); err != nil {
		t.Fatal(err)
	}
	// Two Morocco contacts: one verified through LoTW, one not confirmed at all.
	if _, err := db.Exec(`INSERT INTO qso (callsign, dxcc, band, mode, lotw_rcvd, qsl_rcvd, eqsl_rcvd)
		VALUES ('CN8ABC', 446, '30m', 'FT8', 'V', '', ''),
		       ('CN8XYZ', 446, '20m', 'FT8', 'N', '', '')`); err != nil {
		t.Fatal(err)
	}

	var confirmed30, confirmed20 int
	q := `SELECT band, MAX(CASE WHEN lotw_rcvd IN ` + ConfirmedValues +
		` OR qsl_rcvd IN ` + ConfirmedValues + ` OR eqsl_rcvd IN ` + ConfirmedValues +
		` THEN 1 ELSE 0 END) FROM qso WHERE dxcc = 446 GROUP BY band`
	rows, err := db.QueryContext(context.Background(), q)
	if err != nil {
		t.Fatal(err)
	}
	defer rows.Close()
	for rows.Next() {
		var band string
		var c int
		if err := rows.Scan(&band, &c); err != nil {
			t.Fatal(err)
		}
		switch band {
		case "30m":
			confirmed30 = c
		case "20m":
			confirmed20 = c
		}
	}
	if confirmed30 != 1 {
		t.Error("a LoTW 'V' (verified) was not counted as confirmed — the matrix would show the entity as merely worked")
	}
	if confirmed20 != 0 {
		t.Error("an 'N' was counted as confirmed")
	}
}