package aiser

import (
	"context"
	"errors"
	"testing"
	"time"

	"91porn-server/app/appg"
	"91porn-server/common/laosiji_app"
	"91porn-server/models/v/fundtransferlogmod"
	"91porn-server/models/v/usermod"
	"91porn-server/models/v/walletmod"
)

func TestGetAuthURLTransfersWalletAmount(t *testing.T) {
	originalConfig := appg.Conf
	appg.Conf = &appg.GlobalConfig{}
	appg.Conf.Base.Env = "test"
	t.Cleanup(func() { appg.Conf = originalConfig })

	var (
		gotAsset  string
		gotDebit  int64
		gotUser   string
		debitTime time.Time
	)
	now := time.Date(2026, 7, 27, 12, 0, 0, 0, time.UTC)
	deps := transferDependencies{
		findLatest: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return nil, nil
		},
		findLatestOut: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return &fundtransferlogmod.FundTransferLog{Remainder: 0.04}, nil
		},
		getWallet: func(uint64) (*walletmod.Wallet, error) {
			return &walletmod.Wallet{Amount: 123}, nil
		},
		findUser: func(uint64) (*usermod.User, error) {
			return &usermod.User{Name: "测试", Portrait: "avatar"}, nil
		},
		getAuthURL: func(_ context.Context, req laosiji_app.GetAiMateURLReq) (laosiji_app.GetAiMateURLResp, error) {
			gotAsset = req.Asset
			gotUser = req.Username
			return laosiji_app.GetAiMateURLResp{AuthURL: "https://example.com/auth"}, nil
		},
		bringOut: func(context.Context, laosiji_app.AiMateBringOutReq) (laosiji_app.AiMateBringOutResp, error) {
			t.Fatal("bringOut must not be called without pending transfer")
			return laosiji_app.AiMateBringOutResp{}, nil
		},
		debitAndLog: func(_ uint64, amount int64, at time.Time) error {
			gotDebit, debitTime = amount, at
			return nil
		},
		creditAndLog: func(uint64, int64, float64, string, time.Time) error {
			t.Fatal("creditAndLog must not be called")
			return nil
		},
		now: func() time.Time { return now },
	}

	resp, err := getAuthURL(context.Background(), 99, deps)
	if err != nil {
		t.Fatalf("getAuthURL() error = %v", err)
	}
	if resp.URL != "https://example.com/auth" {
		t.Fatalf("URL = %q", resp.URL)
	}
	if gotAsset != "12.34" {
		t.Fatalf("asset = %q, want 12.34", gotAsset)
	}
	if gotUser != "TEST-204_99" {
		t.Fatalf("username = %q", gotUser)
	}
	if gotDebit != 123 || !debitTime.Equal(now) {
		t.Fatalf("debit = %d at %s", gotDebit, debitTime)
	}
}

func TestGetAuthURLDoesNotDebitWhenThirdPartyFails(t *testing.T) {
	originalConfig := appg.Conf
	appg.Conf = &appg.GlobalConfig{}
	t.Cleanup(func() { appg.Conf = originalConfig })

	deps := transferDependencies{
		findLatest: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return nil, nil
		},
		findLatestOut: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return nil, nil
		},
		getWallet: func(uint64) (*walletmod.Wallet, error) {
			return &walletmod.Wallet{Amount: 100}, nil
		},
		findUser: func(uint64) (*usermod.User, error) { return nil, nil },
		getAuthURL: func(context.Context, laosiji_app.GetAiMateURLReq) (laosiji_app.GetAiMateURLResp, error) {
			return laosiji_app.GetAiMateURLResp{}, errors.New("remote failed")
		},
		debitAndLog: func(uint64, int64, time.Time) error {
			t.Fatal("debitAndLog must not be called after remote failure")
			return nil
		},
		now: time.Now,
	}
	if _, err := getAuthURL(context.Background(), 99, deps); err == nil {
		t.Fatal("getAuthURL() error = nil")
	}
}

func TestGetAuthURLSettlesPendingTransferBeforeNewTransfer(t *testing.T) {
	originalConfig := appg.Conf
	appg.Conf = &appg.GlobalConfig{}
	appg.Conf.Base.Env = "test"
	t.Cleanup(func() { appg.Conf = originalConfig })

	steps := make([]string, 0, 5)
	deps := transferDependencies{
		findLatest: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			steps = append(steps, "find-pending")
			return &fundtransferlogmod.FundTransferLog{FundType: fundtransferlogmod.FundTypeIn}, nil
		},
		bringOut: func(context.Context, laosiji_app.AiMateBringOutReq) (laosiji_app.AiMateBringOutResp, error) {
			steps = append(steps, "bring-out")
			return laosiji_app.AiMateBringOutResp{Balance: "1.00"}, nil
		},
		creditAndLog: func(uint64, int64, float64, string, time.Time) error {
			steps = append(steps, "credit")
			return nil
		},
		getWallet: func(uint64) (*walletmod.Wallet, error) {
			steps = append(steps, "wallet")
			return &walletmod.Wallet{Amount: 20}, nil
		},
		findLatestOut: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return nil, nil
		},
		findUser: func(uint64) (*usermod.User, error) { return nil, nil },
		getAuthURL: func(context.Context, laosiji_app.GetAiMateURLReq) (laosiji_app.GetAiMateURLResp, error) {
			steps = append(steps, "auth")
			return laosiji_app.GetAiMateURLResp{AuthURL: "https://example.com/auth"}, nil
		},
		debitAndLog: func(uint64, int64, time.Time) error { return nil },
		now:         time.Now,
	}

	if _, err := getAuthURL(context.Background(), 99, deps); err != nil {
		t.Fatalf("getAuthURL() error = %v", err)
	}
	want := []string{"find-pending", "bring-out", "credit", "wallet", "auth"}
	if len(steps) != len(want) {
		t.Fatalf("steps = %v, want %v", steps, want)
	}
	for index := range want {
		if steps[index] != want[index] {
			t.Fatalf("steps = %v, want %v", steps, want)
		}
	}
}

func TestSettleDownCreditsConvertedBalance(t *testing.T) {
	originalConfig := appg.Conf
	appg.Conf = &appg.GlobalConfig{}
	appg.Conf.Base.Env = "prod"
	t.Cleanup(func() { appg.Conf = originalConfig })

	var (
		gotAmount    int64
		gotRemainder float64
		gotDesc      string
		gotUsername  string
	)
	deps := transferDependencies{
		findLatest: func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error) {
			return &fundtransferlogmod.FundTransferLog{FundType: fundtransferlogmod.FundTypeIn}, nil
		},
		bringOut: func(_ context.Context, req laosiji_app.AiMateBringOutReq) (laosiji_app.AiMateBringOutResp, error) {
			gotUsername = req.Username
			return laosiji_app.AiMateBringOutResp{Balance: "1.23"}, nil
		},
		creditAndLog: func(_ uint64, amount int64, remainder float64, desc string, _ time.Time) error {
			gotAmount, gotRemainder, gotDesc = amount, remainder, desc
			return nil
		},
		now: time.Now,
	}
	if err := settleDown(context.Background(), 88, deps); err != nil {
		t.Fatalf("settleDown() error = %v", err)
	}
	if gotUsername != "JHA-204_88" {
		t.Fatalf("username = %q", gotUsername)
	}
	if gotAmount != 12 || gotRemainder != 0.03 || gotDesc != "AI女友下分" {
		t.Fatalf("credit amount=%d remainder=%v desc=%q", gotAmount, gotRemainder, gotDesc)
	}
}

func TestBalanceToWallet(t *testing.T) {
	tests := []struct {
		balance   string
		amount    int64
		remainder float64
		wantErr   bool
	}{
		{balance: "0", amount: 0, remainder: 0},
		{balance: "1.20", amount: 12, remainder: 0},
		{balance: "1.29", amount: 12, remainder: 0.09},
		{balance: "-1", wantErr: true},
		{balance: "invalid", wantErr: true},
	}
	for _, test := range tests {
		amount, remainder, err := balanceToWallet(test.balance)
		if (err != nil) != test.wantErr {
			t.Fatalf("balanceToWallet(%q) error = %v", test.balance, err)
		}
		if amount != test.amount || remainder != test.remainder {
			t.Fatalf("balanceToWallet(%q) = (%d,%v), want (%d,%v)", test.balance, amount, remainder, test.amount, test.remainder)
		}
	}
}