//
//  EcpmConfigInitExporter.m
//  UUTUtils2.1
//
//  Created by zhuge on 2020/7/14.
//  Copyright © 2020 dym. All rights reserved.
//

#import "EcpmConfigInitExporter.h"
#import "AdIdNameInCSVUtils.h"
#import "ProjectInfo.h"
#import "ProjectInfo_Server_AdId.h"
#import "NSString+NSString_CountryCode.h"
#import "ZGJsonUtils.h"

#define AdNameInCSV  NSString
#define AdKey  NSString
#define AdCountry  NSString

@interface EcpmConfigInitExporter()

@property (strong) NSDictionary<AdNameInCSV*, AdKey*> *dicAdKeys;
@property (strong) NSDictionary *dicCountryCodes;

@end

@implementation EcpmConfigInitExporter

- (NSString *) doExport:(ProjectInfo *)project admobFilePath:(NSString *)admobFilePath facebookFilePath:(NSString *)facebookFilePath {
    self.projectInfo = project;
    self.admobFilePath = admobFilePath;
    self.facebookFilePath = facebookFilePath;
    
    NSString *ret = @"";
    self.dicAdKeys = [self genAdKeyDic];
    
    // 开始读取文件
    NSMutableDictionary<AdCountry*, EcpmCountryInfo*> *md = [NSMutableDictionary dictionaryWithCapacity:0];
    {
        // 读取admob
        NSError *err = nil;
        NSString *content = [NSString stringWithContentsOfFile:self.admobFilePath encoding:NSUTF8StringEncoding error:&err];
        if (err) {
            NSLog(@"%@", err.localizedDescription);
        }
        NSArray *arrLines = [content componentsSeparatedByString:@"\n"];
        for (NSString *line in arrLines) {
            if (line.length == 0) {
                continue;
            }
            if ([line hasPrefix:@"国家/地区"]) {
                continue;
            }
            if ([line containsString:@"未知地区"]) {
                continue;
            }
            EcpmCountryAdInfo *cai = [[EcpmCountryAdInfo alloc] initWithAdmobLine:line];
            if (cai.ecpm < 0.0001) {
                // 精度太少，会被忽略掉
                continue;
            }
            EcpmCountryInfo *countryInfo = md[cai.country];
            if (!countryInfo) {
                countryInfo = [[EcpmCountryInfo alloc] init];
                countryInfo.country = cai.country;
                md[cai.country] = countryInfo;
            }
            [countryInfo addCountryAdInfo:cai];
        }
    }
    {
        // 读取facebook
        NSError *err = nil;
        NSString *content = [NSString stringWithContentsOfFile:self.facebookFilePath encoding:NSUTF8StringEncoding error:&err];
        if (err) {
            NSLog(@"%@", err.localizedDescription);
        }
        NSArray *arrLines = [content componentsSeparatedByString:@"\n"];
        for (NSString *line in arrLines) {
            if (line.length == 0) {
                continue;
            }
            if ([line hasPrefix:@"国家"]) {
                continue;
            }
            EcpmCountryAdInfo *cai = [[EcpmCountryAdInfo alloc] initWithFacebookLine:line];
            if (cai.ecpm < 0.0001) {
                // 精度太少，会被忽略掉
                continue;
            }
            EcpmCountryInfo *countryInfo = md[cai.country];
            if (!countryInfo) {
                countryInfo = [[EcpmCountryInfo alloc] init];
                countryInfo.country = cai.country;
                md[cai.country] = countryInfo;
            }
            [countryInfo addCountryAdInfo:cai];
        }
    }
    
    // 按ecpm排序国家
    NSMutableArray<EcpmCountryInfo*> *maCountry = [NSMutableArray arrayWithCapacity:0];
    for (NSString *country in md) {
        [maCountry addObject:md[country]];
    }
    
    // 排序国家
    [maCountry sortUsingComparator:^NSComparisonResult(id  _Nonnull obj1, id  _Nonnull obj2) {
        EcpmCountryInfo *c1 = obj1;
        EcpmCountryInfo *c2 = obj2;
        
        return [c1 avgEcpm] < [c2 avgEcpm];
    }];
    
    // 输出
    NSMutableDictionary<AdCountry*, NSMutableDictionary<AdKey*, NSDecimalNumber*>*> *mdOut = [NSMutableDictionary dictionaryWithCapacity:0];
    for (int i = 0; i < maCountry.count; i++) {
        EcpmCountryInfo *c = maCountry[i];
        NSMutableDictionary *mdCountry = [NSMutableDictionary dictionaryWithCapacity:0];
        for (EcpmCountryAdInfo *l in c.maCountryAdInfos) {
            NSString *adKey = self.dicAdKeys[l.adName];
            if (adKey == nil) {
                NSLog(@"ad key not found: %@", l.adName);
                continue;
            }
            NSDecimalNumber *dn = [NSDecimalNumber decimalNumberWithString:[NSString stringWithFormat:@"%0.4f", l.ecpm]];
            mdCountry[adKey] = dn;
        }
        mdOut[c.country] = mdCountry;
    }
    
    NSDictionary *d = @{ @"countries": mdOut };
    
    ret = [ZGJsonUtils dictionaryToString:d];
    return ret;
}

- (NSDictionary<AdNameInCSV*, AdKey*> *) genAdKeyDic {
    NSMutableDictionary<AdNameInCSV*, AdKey*> *md = [NSMutableDictionary dictionaryWithCapacity:0];
    for (ProjectInfo_Server_AdId *adid in self.projectInfo.server.xibAdIdArray) {
        NSString *adKey = adid.idIndex;
        NSString *adName = [[AdIdNameInCSVUtils shared] adNameForAdIdIndex:adid.idIndex];
        if (adName != nil) {
            md[adName] = adKey;
        }
    }
    return md;
}
@end

#pragma mark - Admob国家版本信息
@implementation EcpmCountryAdInfo
- (instancetype)initWithAdmobLine:(NSString *)line {
    NSArray *arr = [line componentsSeparatedByString:@","];
    NSAssert(arr.count == 3, line);
    self.type = ADMOB;
    self.country = arr[0];
    self.adName = arr[1];
    self.ecpm = [arr[2] floatValue];
    NSString *s = [NSString getFBCountryCode:self.country];
    if (!s || [s isEqualToString:@""] || [s isEqualToString:self.country]) {
        NSAssert(NO, @"无匹配国家: %@", s);
    }
    self.country = s;
    return self;
}
- (instancetype)initWithFacebookLine:(NSString *)line {
    NSArray *arr = [line componentsSeparatedByString:@","];
    NSAssert(arr.count == 3, line);
    self.type = FACEBOOK;
    self.country = arr[0];
    self.adName = arr[1];
    self.ecpm = [arr[2] floatValue];
    return self;
}

@end
@implementation EcpmCountryInfo
- (instancetype)init
{
    self = [super init];
    if (self) {
        self.maCountryAdInfos = [NSMutableArray arrayWithCapacity:0];
    }
    return self;
}

- (void)addCountryAdInfo:(EcpmCountryAdInfo *)countryAdInfo {
    for (EcpmCountryAdInfo *cai in self.maCountryAdInfos) {
        NSAssert(!(cai.type == countryAdInfo.type && [cai.adName isEqualToString:countryAdInfo.adName]) , @"有问题：广告ID有重复: %@, %@", cai.adName, countryAdInfo.adName);
    }
    [self.maCountryAdInfos addObject:countryAdInfo];
}

- (float)avgEcpm {
    int len = (int)self.maCountryAdInfos.count;
    if (len > 0) {
        float total = 0;
        for (EcpmCountryAdInfo *cai in self.maCountryAdInfos) {
            total += cai.ecpm;
        }
        return total / len;
    }
    return 0;
}
@end