package main

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestSimulation_SimulateOneInitialWord(t *testing.T) {
	type fields struct {
		Game            *Game
		BestGuess       string
		BestGuessRounds int
		SuccessCount    int
		FailCount       int
		TotalRounds     int
	}
	type args struct {
		game        *Game
		initialWord string
	}
	tests := []struct {
		name              string
		fields            fields
		args              args
		wantedLossCount   int
		wantedMaxRounds   int
		wantedTotalRounds int
	}{
		{
			name: "simple game with no losses",
			fields: fields{
				Game: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"abb": {Word: "abb"},
					},
				},
			},
			args: args{
				game: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"abb": {Word: "abb"},
					},
				},
				initialWord: "aaa",
			},
			wantedLossCount:   0,
			wantedMaxRounds:   2,
			wantedTotalRounds: 5,
		},
		{
			name: "simple failed game",
			fields: fields{
				Game: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"aac": {Word: "aac"},
						"aad": {Word: "aad"},
						"aae": {Word: "aae"},
					},
				},
			},
			args: args{
				game: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"aac": {Word: "aac"},
						"aad": {Word: "aad"},
						"aae": {Word: "aae"},
					},
				},
				initialWord: "aaa",
			},
			wantedLossCount:   1,
			wantedMaxRounds:   5,
			wantedTotalRounds: 15,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			s := Simulation{
				Game:            tt.fields.Game,
				BestGuess:       tt.fields.BestGuess,
				BestGuessRounds: tt.fields.BestGuessRounds,
				SuccessCount:    tt.fields.SuccessCount,
				FailCount:       tt.fields.FailCount,
				TotalRounds:     tt.fields.TotalRounds,
			}
			lossCount, maxRounds, totalRounds := s.SimulateOneInitialWord(tt.args.game, tt.args.initialWord)
			assert.Equalf(t, tt.wantedLossCount, lossCount, "loss count for %v => %v", tt.args.game, tt.args.initialWord)
			assert.Equalf(t, tt.wantedMaxRounds, maxRounds, "max rounds for %v => %v)", tt.args.game, tt.args.initialWord)
			assert.Equalf(t, tt.wantedTotalRounds, totalRounds, "total rounds for %v => %v)", tt.args.game, tt.args.initialWord)
		})
	}
}

func TestSimulation_SimulateOneGame(t *testing.T) {
	type fields struct {
		Game            *Game
		BestGuess       string
		BestGuessRounds int
		SuccessCount    int
		FailCount       int
		TotalRounds     int
	}
	type args struct {
		simulatedGame *Game
		initialWord   string
		answer        string
	}
	tests := []struct {
		name      string
		fields    fields
		args      args
		won       bool
		numRounds int
	}{

		{
			name: "initial word is answer",
			args: args{
				simulatedGame: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"abb": {Word: "abb"},
					},
				},
				initialWord: "aaa",
				answer:      "aaa",
			},
			won:       true,
			numRounds: 1,
		},
		{
			name: "one guess to get answer",
			args: args{
				simulatedGame: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"abb": {Word: "abb"},
					},
				},
				initialWord: "aaa",
				answer:      "aab",
			},
			won:       true,
			numRounds: 2,
		},
		{
			name: "one guess to get answer",
			args: args{
				simulatedGame: &Game{
					Words: map[string]*Word{
						"aaa": {Word: "aaa"},
						"aab": {Word: "aab"},
						"aac": {Word: "aac"},
						"aad": {Word: "aad"},
						"aae": {Word: "aae"},
					},
				},
				initialWord: "aaa",
				answer:      "aae",
			},
			won:       false,
			numRounds: 5,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			s := Simulation{}
			got, got1 := s.SimulateOneGame(tt.args.simulatedGame, tt.args.initialWord, tt.args.answer)
			assert.Equalf(t, tt.won, got, "SimulateOneGame(%v, %v, %v)", tt.args.simulatedGame, tt.args.initialWord, tt.args.answer)
			assert.Equalf(t, tt.numRounds, got1, "SimulateOneGame(%v, %v, %v)", tt.args.simulatedGame, tt.args.initialWord, tt.args.answer)
		})
	}
}