const express = require("express");

/**
 * @param {import("../repositories/sqlite3")} repo
 */
module.exports = function programRouter(repo) {  
  const router = express.Router({caseSensitive: false});

  router.get("/", async(_, res) => {
    try {
      const programs = await repo.listPrograms();
      return res.status(200).json(programs);
    } catch (err) {
      return res.status(400).json({code: 400, message: err.message || err})      
    }
  });

  router.get("/:id", async(req, res) => {
    try {
      const program = await repo.findProgram(req.params.id);
      if (program == null) {
        return res.status(404).json({code: 404, message: "program not found"})
      }
  
      return res.status(200).json(program);
    } catch (err) {
      return res.status(500).json({code: 500, message: err.message || err})      
    }
  });

  router.post("/", async(req, res) => {
    try {
      const {name, cpm, warmupMin, warmupCpm} = req.body;
      
      const level = req.body.level || 18;
      const warmupLevel = req.body.warmupLevel || level;
      const cooldownCpm = req.body.cooldownCpm || cpm;
      const cooldownLevel = req.body.cooldownLevel || warmupLevel;

      const data = {name, cpm, warmupMin, warmupCpm, level, warmupLevel, cooldownCpm, cooldownLevel};

      const id = await repo.insertProgram(data)
      
      return res.status(200).json(
        {id, ...data}
      );
    } catch (err) {
      return res.status(400).json({code: 400, message: err.message || err})      
    }
  });

  router.put("/:id", async(req, res) => {
    try {
      const program = await repo.findProgram(req.params.id);
      if (program == null) {
        return res.status(404).json({code: 404, message: "program not found"})
      }
  
      program.name = req.body.name || "";
      await repo.updateProgram(program);
  
      return res.status(200).json(program);
    } catch (err) {
      return res.status(400).json({code: 400, message: err.message || err})      
    }
  });

  router.delete("/:id", async(req, res) => {
    try {
      const program = await repo.findProgram(req.params.id);
      if (program == null) {
        return res.status(404).json({code: 404, message: "program not found"})
      }
  
      await repo.deleteProgram(program);
  
      return res.status(200).json(program);
    } catch (err) {
      return res.status(500).json({code: 500, message: err.message || err})      
    }
  });

  return router;
}