package main

import (
	"fmt"
	"log"
	"net/http"
	"os"

	"git.xdrm.io/go/aicra"
	"git.xdrm.io/go/aicra/datatype/builtin"
	"git.xdrm.io/go/articles-api/pkg/handlers"
	"git.xdrm.io/go/articles-api/pkg/persistence/drivers/sqlite"
	"git.xdrm.io/go/articles-api/pkg/persistence/storage"
)

func main() {
	if err := run(); err != nil {
		log.Fatalf("%s", err)
	}
}

func run() error {
	// 1. prepare builder
	builder := &aicra.Builder{}
	builder.AddType(builtin.AnyDataType{})
	builder.AddType(builtin.BoolDataType{})
	builder.AddType(builtin.UintDataType{})
	builder.AddType(builtin.IntDataType{})
	builder.AddType(builtin.StringDataType{})

	// 2. setup with configuration file
	config, err := os.OpenFile("api.json", os.O_RDONLY, os.ModePerm)
	if err != nil {
		return fmt.Errorf("cannot open config file: %w", err)
	}
	err = builder.Setup(config)
	config.Close()
	if err != nil {
		return fmt.Errorf("cannot setup builder: %w", err)
	}

	// 3. connect to storage
	db := &sqlite.Storage{}
	err = db.Open()
	if err != nil {
		return fmt.Errorf("cannot open database: %w", err)
	}
	defer db.Close()

	// 3. create services
	SetupRoutes(builder, db)

	// 4. create http server
	server, err := builder.Build()
	if err != nil {
		return fmt.Errorf("cannot build server: %w", err)
	}

	// 5. listen and serve
	log.Printf("[server] listening to '%s'", ":4242")
	return http.ListenAndServe(":4242", server)
}

func SetupRoutes(b *aicra.Builder, db storage.T) error {
	app := &handlers.App{Db: db}
	if err := b.Bind(http.MethodGet, "/articles", app.HandleGetAllArticles); err != nil {
		return err
	}
	if err := b.Bind(http.MethodGet, "/user/{id}/articles", app.HandleGetArticlesByAuthor); err != nil {
		return err
	}
	if err := b.Bind(http.MethodGet, "/article/{id}", app.HandleGetArticleByID); err != nil {
		return err
	}
	if err := b.Bind(http.MethodPost, "/article/{author}", app.HandleCreateArticle); err != nil {
		return err
	}
	if err := b.Bind(http.MethodDelete, "/article/{id}", app.HandleDeleteArticle); err != nil {
		return err
	}
	if err := b.Bind(http.MethodPost, "/article/{id}/up", app.HandleUpVote); err != nil {
		return err
	}
	if err := b.Bind(http.MethodPost, "/article/{id}/down", app.HandleDownVote); err != nil {
		return err
	}

	if err := b.Bind(http.MethodGet, "/user/{id}", app.HandleGetUserByID); err != nil {
		return err
	}
	if err := b.Bind(http.MethodGet, "/users", app.HandleGetAllUsers); err != nil {
		return err
	}
	if err := b.Bind(http.MethodPost, "/user", app.HandleCreateUser); err != nil {
		return err
	}
	if err := b.Bind(http.MethodPut, "/user/{id}", app.HandleUpdateUser); err != nil {
		return err
	}
	if err := b.Bind(http.MethodDelete, "/user/{id}", app.HandleDeleteUser); err != nil {
		return err
	}
	return nil
}