package api

import (
	"database/sql"
	"net/http"

	"atlas9.dev/c/core"
	"atlas9.dev/c/core/dbi"
	"atlas9.dev/c/demo/bots"
	"atlas9.dev/c/demo/lib"
)

type BotsImpl struct {
	DB    *sql.DB
	Guard lib.Guard
	Store dbi.Factory[bots.BotStore]
}

func (b *BotsImpl) Save(w http.ResponseWriter, r *http.Request) {

	var req Bots_SaveReq
	if read(w, r, &req) {
		return
	}

	if check(w, r, b.Guard, bots.Cap_Bots_Write, req.Bot.Tenant, "") {
		return
	}

	ctx := r.Context()
	err := dbi.ReadWrite(ctx, b.DB, func(tx dbi.DBI) error {
		return b.Store(tx).Save(ctx, &req.Bot)
	})

	write(ctx, w, err, Bots_SaveRes{Bot: req.Bot})
}

func (b *BotsImpl) Get(w http.ResponseWriter, r *http.Request) {

	var req Bots_GetReq
	if read(w, r, &req) {
		return
	}

	if check(w, r, b.Guard, bots.Cap_Bots_Read, req.Tenant, "") {
		return
	}

	ctx := r.Context()
	var bot bots.Bot
	err := dbi.ReadOnly(ctx, b.DB, func(tx dbi.DBI) error {
		return b.Store(tx).Get(ctx, req.Tenant, req.ID, &bot)
	})

	write(ctx, w, err, Bots_GetRes{Bot: bot})
}

func (b *BotsImpl) List(w http.ResponseWriter, r *http.Request) {

	var req Bots_ListReq
	if read(w, r, &req) {
		return
	}

	if check(w, r, b.Guard, bots.Cap_Bots_Read, req.Tenant, "") {
		return
	}

	ctx := r.Context()
	var page core.Page[bots.Bot]
	err := dbi.ReadOnly(ctx, b.DB, func(tx dbi.DBI) error {
		return b.Store(tx).List(ctx, req.Tenant, req.Page, &page)
	})

	var res Bots_ListRes
	res.Page.Cursor = page.Cursor
	res.Page.Items = page.Items

	write(ctx, w, err, res)
}

func (b *BotsImpl) Delete(w http.ResponseWriter, r *http.Request) {

	var req Bots_DeleteReq
	if read(w, r, &req) {
		return
	}

	if check(w, r, b.Guard, bots.Cap_Bots_Write, req.Tenant, "") {
		return
	}

	ctx := r.Context()
	err := dbi.ReadWrite(ctx, b.DB, func(tx dbi.DBI) error {
		return b.Store(tx).Delete(ctx, req.Tenant, req.ID)
	})

	write(ctx, w, err, Bots_DeleteRes{})
}