// Package tools collects tools
package tools

import (
	"context"
	"fmt"
	"log/slog"

	"github.com/ollama/ollama/api"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/rcon"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/give"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/say"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/teleport"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/time"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/weather"
	"tipsy.codes/charles/mc-god/v2/internal/pkg/tools/zombie"
)

type Tool interface {
	Do(ctx context.Context, toolCall api.ToolCall, client *rcon.Client) error
	Desc() api.Tool
	Name() string
}

type Tools map[string]Tool

func New(tools ...Tool) Tools {
	ret := make(map[string]Tool)
	for _, tool := range tools {
		ret[tool.Name()] = tool
	}
	return ret
}

// DefaultTools returns the default set of tools for mc-god
func DefaultTools() Tools {
	return New(
		say.Get(),
		teleport.Get(),
		give.Get(),
		weather.Get(),
		time.Get(),
		zombie.Get(),
	)
}

func (t Tools) AsAPI() api.Tools {
	var ret api.Tools
	for _, tool := range t {
		ret = append(ret, tool.Desc())
	}
	return ret
}

func (t Tools) Do(ctx context.Context, toolCall api.ToolCall, client *rcon.Client) error {
	tool, found := t[toolCall.Function.Name]
	if !found {
		return fmt.Errorf("unknown tool %q", toolCall.Function.Name)
	}
	args, err := toolCall.Function.Arguments.MarshalJSON()
	if err != nil {
		return fmt.Errorf("failed to marshal args: %v", err)
	}
	slog.Info("calling function", "name", toolCall.Function.Name, "args", string(args))
	return tool.Do(ctx, toolCall, client)
}