// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package repo

import (
	"errors"
	"net/http"

	actions_model "code.gitea.io/gitea/models/actions"
	"code.gitea.io/gitea/models/db"
	api "code.gitea.io/gitea/modules/structs"
	"code.gitea.io/gitea/modules/util"
	"code.gitea.io/gitea/modules/web"
	"code.gitea.io/gitea/routers/api/v1/utils"
	actions_service "code.gitea.io/gitea/services/actions"
	"code.gitea.io/gitea/services/context"
	secret_service "code.gitea.io/gitea/services/secrets"
)

// create or update one secret of the repository
func CreateOrUpdateSecret(ctx *context.APIContext) {
	// swagger:operation PUT /repos/{owner}/{repo}/actions/secrets/{secretname} repository updateRepoSecret
	// ---
	// summary: Create or Update a secret value in a repository
	// consumes:
	// - application/json
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: owner of the repository
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: secretname
	//   in: path
	//   description: name of the secret
	//   type: string
	//   required: true
	// - name: body
	//   in: body
	//   schema:
	//     "$ref": "#/definitions/CreateOrUpdateSecretOption"
	// responses:
	//   "201":
	//     description: response when creating a secret
	//   "204":
	//     description: response when updating a secret
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	owner := ctx.Repo.Owner
	repo := ctx.Repo.Repository

	opt := web.GetForm(ctx).(*api.CreateOrUpdateSecretOption)

	_, created, err := secret_service.CreateOrUpdateSecret(ctx, owner.ID, repo.ID, ctx.Params("secretname"), opt.Data)
	if err != nil {
		if errors.Is(err, util.ErrInvalidArgument) {
			ctx.Error(http.StatusBadRequest, "CreateOrUpdateSecret", err)
		} else if errors.Is(err, util.ErrNotExist) {
			ctx.Error(http.StatusNotFound, "CreateOrUpdateSecret", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "CreateOrUpdateSecret", err)
		}
		return
	}

	if created {
		ctx.Status(http.StatusCreated)
	} else {
		ctx.Status(http.StatusNoContent)
	}
}

// DeleteSecret delete one secret of the repository
func DeleteSecret(ctx *context.APIContext) {
	// swagger:operation DELETE /repos/{owner}/{repo}/actions/secrets/{secretname} repository deleteRepoSecret
	// ---
	// summary: Delete a secret in a repository
	// consumes:
	// - application/json
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: owner of the repository
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: secretname
	//   in: path
	//   description: name of the secret
	//   type: string
	//   required: true
	// responses:
	//   "204":
	//     description: delete one secret of the organization
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	owner := ctx.Repo.Owner
	repo := ctx.Repo.Repository

	err := secret_service.DeleteSecretByName(ctx, owner.ID, repo.ID, ctx.Params("secretname"))
	if err != nil {
		if errors.Is(err, util.ErrInvalidArgument) {
			ctx.Error(http.StatusBadRequest, "DeleteSecret", err)
		} else if errors.Is(err, util.ErrNotExist) {
			ctx.Error(http.StatusNotFound, "DeleteSecret", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "DeleteSecret", err)
		}
		return
	}

	ctx.Status(http.StatusNoContent)
}

// GetVariable get a repo-level variable
func GetVariable(ctx *context.APIContext) {
	// swagger:operation GET /repos/{owner}/{repo}/actions/variables/{variablename} repository getRepoVariable
	// ---
	// summary: Get a repo-level variable
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: name of the owner
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: variablename
	//   in: path
	//   description: name of the variable
	//   type: string
	//   required: true
	// responses:
	//   "200":
	//			"$ref": "#/responses/ActionVariable"
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"
	v, err := actions_service.GetVariable(ctx, actions_model.FindVariablesOpts{
		RepoID: ctx.Repo.Repository.ID,
		Name:   ctx.Params("variablename"),
	})
	if err != nil {
		if errors.Is(err, util.ErrNotExist) {
			ctx.Error(http.StatusNotFound, "GetVariable", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "GetVariable", err)
		}
		return
	}

	variable := &api.ActionVariable{
		OwnerID: v.OwnerID,
		RepoID:  v.RepoID,
		Name:    v.Name,
		Data:    v.Data,
	}

	ctx.JSON(http.StatusOK, variable)
}

// DeleteVariable delete a repo-level variable
func DeleteVariable(ctx *context.APIContext) {
	// swagger:operation DELETE /repos/{owner}/{repo}/actions/variables/{variablename} repository deleteRepoVariable
	// ---
	// summary: Delete a repo-level variable
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: name of the owner
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: variablename
	//   in: path
	//   description: name of the variable
	//   type: string
	//   required: true
	// responses:
	//   "200":
	//			"$ref": "#/responses/ActionVariable"
	//   "201":
	//     description: response when deleting a variable
	//   "204":
	//     description: response when deleting a variable
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	if err := actions_service.DeleteVariableByName(ctx, 0, ctx.Repo.Repository.ID, ctx.Params("variablename")); err != nil {
		if errors.Is(err, util.ErrInvalidArgument) {
			ctx.Error(http.StatusBadRequest, "DeleteVariableByName", err)
		} else if errors.Is(err, util.ErrNotExist) {
			ctx.Error(http.StatusNotFound, "DeleteVariableByName", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "DeleteVariableByName", err)
		}
		return
	}

	ctx.Status(http.StatusNoContent)
}

// CreateVariable create a repo-level variable
func CreateVariable(ctx *context.APIContext) {
	// swagger:operation POST /repos/{owner}/{repo}/actions/variables/{variablename} repository createRepoVariable
	// ---
	// summary: Create a repo-level variable
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: name of the owner
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: variablename
	//   in: path
	//   description: name of the variable
	//   type: string
	//   required: true
	// - name: body
	//   in: body
	//   schema:
	//     "$ref": "#/definitions/CreateVariableOption"
	// responses:
	//   "201":
	//     description: response when creating a repo-level variable
	//   "204":
	//     description: response when creating a repo-level variable
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	opt := web.GetForm(ctx).(*api.CreateVariableOption)

	repoID := ctx.Repo.Repository.ID
	variableName := ctx.Params("variablename")

	v, err := actions_service.GetVariable(ctx, actions_model.FindVariablesOpts{
		RepoID: repoID,
		Name:   variableName,
	})
	if err != nil && !errors.Is(err, util.ErrNotExist) {
		ctx.Error(http.StatusInternalServerError, "GetVariable", err)
		return
	}
	if v != nil && v.ID > 0 {
		ctx.Error(http.StatusConflict, "VariableNameAlreadyExists", util.NewAlreadyExistErrorf("variable name %s already exists", variableName))
		return
	}

	if _, err := actions_service.CreateVariable(ctx, 0, repoID, variableName, opt.Value); err != nil {
		if errors.Is(err, util.ErrInvalidArgument) {
			ctx.Error(http.StatusBadRequest, "CreateVariable", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "CreateVariable", err)
		}
		return
	}

	ctx.Status(http.StatusNoContent)
}

// UpdateVariable update a repo-level variable
func UpdateVariable(ctx *context.APIContext) {
	// swagger:operation PUT /repos/{owner}/{repo}/actions/variables/{variablename} repository updateRepoVariable
	// ---
	// summary: Update a repo-level variable
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: name of the owner
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: variablename
	//   in: path
	//   description: name of the variable
	//   type: string
	//   required: true
	// - name: body
	//   in: body
	//   schema:
	//     "$ref": "#/definitions/UpdateVariableOption"
	// responses:
	//   "201":
	//     description: response when updating a repo-level variable
	//   "204":
	//     description: response when updating a repo-level variable
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	opt := web.GetForm(ctx).(*api.UpdateVariableOption)

	v, err := actions_service.GetVariable(ctx, actions_model.FindVariablesOpts{
		RepoID: ctx.Repo.Repository.ID,
		Name:   ctx.Params("variablename"),
	})
	if err != nil {
		if errors.Is(err, util.ErrNotExist) {
			ctx.Error(http.StatusNotFound, "GetVariable", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "GetVariable", err)
		}
		return
	}

	if opt.Name == "" {
		opt.Name = ctx.Params("variablename")
	}
	if _, err := actions_service.UpdateVariable(ctx, v.ID, opt.Name, opt.Value); err != nil {
		if errors.Is(err, util.ErrInvalidArgument) {
			ctx.Error(http.StatusBadRequest, "UpdateVariable", err)
		} else {
			ctx.Error(http.StatusInternalServerError, "UpdateVariable", err)
		}
		return
	}

	ctx.Status(http.StatusNoContent)
}

// ListVariables list repo-level variables
func ListVariables(ctx *context.APIContext) {
	// swagger:operation GET /repos/{owner}/{repo}/actions/variables repository getRepoVariablesList
	// ---
	// summary: Get repo-level variables list
	// produces:
	// - application/json
	// parameters:
	// - name: owner
	//   in: path
	//   description: name of the owner
	//   type: string
	//   required: true
	// - name: repo
	//   in: path
	//   description: name of the repository
	//   type: string
	//   required: true
	// - name: page
	//   in: query
	//   description: page number of results to return (1-based)
	//   type: integer
	// - name: limit
	//   in: query
	//   description: page size of results
	//   type: integer
	// responses:
	//   "200":
	//		 "$ref": "#/responses/VariableList"
	//   "400":
	//     "$ref": "#/responses/error"
	//   "404":
	//     "$ref": "#/responses/notFound"

	vars, count, err := db.FindAndCount[actions_model.ActionVariable](ctx, &actions_model.FindVariablesOpts{
		RepoID:      ctx.Repo.Repository.ID,
		ListOptions: utils.GetListOptions(ctx),
	})
	if err != nil {
		ctx.Error(http.StatusInternalServerError, "FindVariables", err)
		return
	}

	variables := make([]*api.ActionVariable, len(vars))
	for i, v := range vars {
		variables[i] = &api.ActionVariable{
			OwnerID: v.OwnerID,
			RepoID:  v.RepoID,
			Name:    v.Name,
		}
	}

	ctx.SetTotalCountHeader(count)
	ctx.JSON(http.StatusOK, variables)
}
